The check engine light came on. If you have the check engine light on, especially for any of the codes below you will most likely need to replace the oxygen sensor. iat sensor is mounted inside intake air hose to the air cleaner assembly. 0 CRD 2006 with 100k miles. The P0299 is a code telling you that you have low boost pressure. Description. I reset the DPF adaptations and drove. o2 sensors location. A failing MAP Sensor leads to serious implications on fuel control and exhaust pipe emissions. 4L 2008-2010 6. Can't find what you are looking for?. This heat is transferred straight into the engine oil. 0 DIESEL Code P0088 Fuel Rail / System Pressure too High. Another culprit is when a faulty temperature sensor, swirl flap motor, EGR valve, or other running issue keeps the DPF from doing it's regeneration. 18 shipping. Automotive Replacement Fuel Injection Pressure Switches A0071534328 OM642 3 PIN Pressure Sensor/Transducer f. I disconnected the rear most exhaust from what MB calls the "front exhaust" (MB p/n 211 490 2020) and did not see anything change in regards to excessive back pressure code and continued to have excessive exhaust back pressure after DFT. I checked back pressure, and no DPF is clogged. Genuine Mercedes-Benz Om642 Engine Exhaust Back Pressure Sensor A0091535028 (4) £52. parts for unit attachment parts,heater plugs,and speed sender unit mercedes om642  exhaust back pressure. Ask your mechanic to monitor live data on the High Pressure circuit, if you are reading about 270-350bar minimum at 1000-1200rpm spot-on, a great deal more than this and the sensor could be measuring out of range. The manifold is fluted to channel the exhaust gases equally over the turbine. Let the Sprinter start working for you. 81,63 eur + 4,46 eur livraison. This vapor is called “Noack Volatility”. The check engine came back with a code for plugged DPF within days. NEW upgraded design OM642 turbocharger with full billet compressor wheel. Guaranteed lowest price! Open 24x7 - Same Day Shipping! $10 off $299+, $20 off $599+, $30 off $799+, $100 off $1,599 Orders. 0 L Jeep Grand Cherokee | 2005 - 2006 Jeep 2. We have been in business for over 15 years and pride ourselves on providing the highest quality products with excellent customer service. The rods and pistons won't hold that much power. 2005 Owners, Please Check the Location of Your Sensor Before Purchasing This Sensor Mounts on A Bracket on The Thermostat. I can only make 1. Mercedes benz C class exhaust pressure sensor for sale, FOR MERCEDES PRESSURE SENSOR EXHAUST BACK PRESSURE A0071534328 A0091535028 OM642. New Genuine MERCEDES-BENZ OM642 Engine Exhaust Back Pressure Sensor A0091535028. Differential Pressure Sensor (OM642) OEM Bosch differential pressure sensor for Mercedes-Benz vehicles equipped with the OM642 engine. We've undergone a big change here at The Repair Connector Store with a whole … Create Your Account. View Product Mercedes A/C Idler Pulley Wrench. I disconnected the rear most exhaust from what MB calls the "front exhaust" (MB p/n 211 490 2020) and did not see anything change in regards to excessive back pressure code and continued to have excessive exhaust back pressure after DFT. Diesel Particulate DPF Filter Mercedes Sprinter 2007-2009 Length 25 Inch / 63. I have been curious to know my exhaust backpressure for some time so I have recently gotten around to making an adapter that will fit into where the EGR valve fits that will allow both intake manifold pressure, and exhaust back pressure measurements to be made simultaneously. Vaja sellist asja. 6 £ | HONDA VTR SP1 & SP2 AIR PRESSURE SENSOR/EXHAUST SOLENOID GAS REC MERCEDES BENZ OM642 ENGINE EXHAUST BACK PRESSURE supplementary article/info 2control unit/software must be trained/updated. pressure sensor. 8 L Liberty CRD 2007- 2008 Jeep OM642 Diagnostics PDF: 2007 - 2008 Jeep OM642 Diagnostics Note: The 3. I reset the DPF adaptations and drove. Condition: New. exhaust back pressure sensor: 2014-05-01 : fault relating to scr adblue warning strategy: 2014-10-21 : i/m 240 emissions testing on dynamometer: 2013-02-01 : mechanical fault in nox sensors with fault codes stored-current in engine control unit: 2016-02-26 : new egr valve resists against moisture ingress: 2015-08-13. I realize that this is an ancient Thread, but pertinent none the less. Genuine Mercedes-Benz OM642 Red/Orange Turbo Intake Seal & Engine Breather Seal P/N A642 094 00 80 & A642 094 05 80 Suitable For Various OM642 Diesel Engines Brand New - Genuine Mercedes Part Unsure On Suitability?. If all is normal, you do not likely have an exhaust back-pressure issue. worse when its cold out. A0091535028 New Genuine MERCEDES-BENZ OM642 Engine Exhaust Back Pressure Sensor. 2008 Dodge Sprinter 2500 MAP Sensor Manifold Absolute Pressure Sensor -- Exhaust Pressure; OM642. New cars and used cars, motorbikes, boats and more for sale on trademe. Buy Clevite MAHLE CS548162 at JEGS: Clevite MAHLE Conversion Set Mercedes Benz OM642 3. P0471 for Exhaust Pressure Sensor Range/Performance and P242F for Diesel Particulate Filter Restriction - Ash Accumulation. Hi not having any fun anymore. Om646 Boost Pressure. The MAP Sensor can be contaminated with dust and debris, to avoid this scenario, I will take you on a step by step action on how to clean a MAP Sensor. Let the Sprinter start working for you. for sale is a brand new mercedes-benz genuine om642 engine exhaust back pressure sensor to fit: Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor P/N A009 153 50 28 Suitable For Almost All OM642 Mercedes Engines. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. Follow this guide to learn how to change Mercedes DPF Pressure Sensor. You may also like. BAT Team Discussions for P0299. Waidi: Comments: Greetings, Please let me know where the Fuel tank pressure sensor is located in the S550. Applicable For OM642 Mercedes Engines. We need a 4 bar map sensor, we have 3 bar. New Garrett Turbo for 2007-2011 Mercedes-Benz OM642 Turbocharger Model GTA2056VK *No shipping fee applies to orders totaling $500 or more and shipping within the Contiguous United States. 5bar sensor. I checked the Differential pressure sensor reading and it reads the same as before the filter was cleaned which is about 65hPa =. 0V6 24v: C30-94 charger, short gearbox with Quaife ATB, big 4p Brembo brakes, SMF, lowered suspension, custom freeflow equal lenght x-pipe quad tips exhaust. 2005 Owners, Please Check the Location of Your Sensor Before Purchasing This Sensor Mounts on A Bracket on The Thermostat. Cross References and Supersessions: 0061536028: OE Supplier Parts are genuine OE parts that have been purchased at wholesale or in bulk. OEM MOTORCRAFT / NAVISTAR EBP SENSOR EXHAUST BACK PRESSURE. Continuously regenerating filters operate at a balance temperature, which can be determined through a laboratory measurement. Get Yours Today! We have the best products at the right price. 0L V6 (2007-2009). Bad news is, it's very difficult to get pinpoint accurate back pressure measurements because exhaust pressures are pulses, not constants. DTC P2025 Intake pressure sensor plausibility. All For Mercedes Om642 W164 listed are from our selection. This Part Fits: (13) In Stock. My sensor was completely broke off so I knew it needed replacing. Follow this guide to learn how to change Mercedes DPF Pressure Sensor. 5cm Mercedes OEM Code : A9064901592 / 9064901592 Dodge OEM Code : 68011959AA PLEASE BEFORE YOU PURCHASE VERIFY YOUR VEHICLE FOR FITMENT. New Garrett Turbo for 2007-2011 Mercedes-Benz OM642 Turbocharger Model GTA2056VK *No shipping fee applies to orders totaling $500 or more and shipping within the Contiguous United States JavaScript seems to be disabled in your browser. Fits built before 5/12/1997. 940 - trade me motors. Condition: New. I have searched far and wide through the Sprinter Service info that I have access to and have never found an actual spec for Boost Pressure or for max Exhaust Back Pressure From past experience on boost pressure I normally see between 25 and 30 psi boost at an elevation of around 5000 ft. or Best Offer; Free Shipping; From China; 4928594 4087989 Exhaust Gas Pressure Sensor. Mercedes Om642 Tuning. Mercedes benz C class exhaust pressure sensor BACK PRESSURE A0071534328 A0091535028 OM642. Om646 Boost Pressure. OM642 Exhaust DPF Pressure Sensor, Suitable For Most OM642 Engines, C Class E Class, M Class & Vans. Guaranteed lowest price! Open 24x7 - Same Day Shipping! $10 off $299+, $20 off $599+, $30 off $799+, $100 off $1,599 Orders. the mass air flow sensor is also mounted to the intake air hose of the air cleaner assembly. If the O2 sensor fails, it usually causes the engine to run rich leading to poor economy, pollution, and catalytic converter failure. 890 - trade me motors. I'm not ready to swap out sensors just yet, though. 7L 2011-2013 7. sealing ring. The sensor reads exhaust pressure and enable the PCM (computer) to control the amount of turbo boost, the symptoms would have be a low of power as well as overall performance and fuel economy. the ECM doesn't measure back pressure in the strict sense, they measure differential pressure in the DPF. Fitting instructions for FAE Exhaust Gas Pressure Sensors. The exhaust back pressure sensor determines the exhaust back pressure upstream of the turbocharger. SOURCE: getting a code #P0038 bank #1 sensor 2 down stream that's after exhaust manifold! I would change both to assure fuel efficiency and economy and they are part of 80thousand to a 100 thousand km service that should be replaced if you replace just the 1 that is gone I guarantee the up stream bank 1 sensor 1 will go almost immediately shortly after save and do it right first time but it is. The M275 engine did not have camshaft adjustment since, according to Mercedes-Benz, the engine’s torque output rendered camshaft adjustment ‘superfluous’. P0471 code definition. The kit includes an AEM high performance stainless steel 100psig pressure sensor (Part#30-2130-100), stainless steel standoff tube, stainless steel braided hose and fittings. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. Here are some codes related to Limp Mode: P0299: Turbocharger Underboost. Reset the P0472 Exhaust pressure sensor diagnostic trouble code in this Mercedes E Class. Exhaust Pressure Sensor Malfunction: P0471: Exhaust Pressure Sensor Range/Performance: P0472: Exhaust Pressure Sensor Low: P0473: Exhaust Pressure Sensor High: P0474: Exhaust Pressure Sensor Intermittent: P0475: Exhaust Pressure Control Valve Malfunction: P0476: Exhaust Pressure Control Valve Range/Performance: P0477: Exhaust Pressure Control. Also called exhaust back pressure sensor or a low fuel pressure sensor. Conversion Set Mercedes Benz 3. So it is important. Sprinter won't. Some mechanics will check the O2 sensor at the catalytic converter too. Differential Pressure Sensor (OM642) OEM Bosch differential pressure sensor for Mercedes-Benz vehicles equipped with the OM642 engine. Faulty / Failed EGR Valve - The EGR Valve is designed to recirculate exhaust gases back into the engine before they pass through the DPF. if you are unsure about the fitment of the part please contact us indicating your car VIN number. Exhaust pressure sensor for sale 08-12 AUDI A4 B8 EXHAUST PRESSURE SENSOR 059906051A: 9. Europa Parts offers SAME DAY SHIPPING for Genuine, and OEM 2007-2018 Sprinter NCV3 3. 04 - Remove_install low-pressure fuel pressure sensor (ar07. 2 315 sw 1037505811 thanks disconnect pressure and temp sensors from dpfthanks will test and give feedback soonSmoke 'Em Performance and Repair is Canada's leader in diesel truck and automotive performance products for Ford, Dodge, and Chev/GMC. You may also like. I can only make 1. P2953: Intake Swirl port actuator open/sensor value too low. 5cm Mercedes OEM Code : A9064901592 / 9064901592 Dodge OEM Code : 68011959AA PLEASE BEFORE YOU PURCHASE VERIFY YOUR VEHICLE FOR FITMENT. 88 Add to Cart. 2 bar or the exhaust back pressure deviates with engine OFF by approx. # A0091535028 Fitment: For 2012-2014 Mercedes-Benz ML350 Package: 1PCS A0091535028 Engine Exhaust Back Pressure Sensor. Spark plug defouler (purchased from autoparts store) with fitting from hardware store to attach transmission fluid hose. for sale is a brand new mercedes-benz genuine om642 engine exhaust back pressure sensor to fit: Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor P/N A009 153 50 28 Suitable For Almost All OM642 Mercedes Engines. 0 DIESEL Code P0088 Fuel Rail / System Pressure too High. (one owner) The car was running fine some suspension, brakes problem but I spend $900 and. Charge Pressure Sensor / Intake Air Temperature Sensor.  The pressure value is used by the CDI control unit(N3/9) to monitor the diesel particulate filter (DPF) fill level and for protection of the turbocharger and engine. 5 TDI 03G 906 051 A Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. last week i pulled apart all the exhaust. Turbochargers are exhaust driven (drive pressure), so people regulate the boost pressure with what's known today as the wastegate. A month ago "check engine" light came out. If this isn't possible, see if you can unplug the sensor connector and attach a strand of copper wire to each terminal on the connector. 5K revs revs. Diesel Particulate DPF Filter Mercedes Sprinter 2007-2009 Length 25 Inch / 63. The maximum difference between the three is 10 hpa. I have heard the tube gets clogged that go down to the exhaust manifold, so maybe that will help you. I'm learning all about the exhaust system on the Bluetec (without DEF). The soot loading model can then be adjusted to the increasing ash content. Mercedes has changed the exhaust configuration as of late 2019 so this kit will no longer fit. All D&W locations are open normal hours and ready to serve you. Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor. I reset the DPF adaptations and drove. The W210 has a catalytic filter and these too can get clogged. Got to the dealer and they said that the problem is with Exhaust Pressure Sensor, code P0471. Cooling loops or prolonging the tube system helps to adjust the temperature management. To optimise the volume of recirculated exhaust gas, it is cooled down considerably in a high-performance heat exchanger. The Fatal Flaw of Mercedes Benz Sprinters Published on April 24, 2015 April 24, The OXI-Cat section has an oxygen sensor an exhaust temperature sensor and a backpressure sensor. Spark plug defouler (purchased from autoparts store) with fitting from hardware store to attach transmission fluid hose. The engine features common rail Direct injection and a variable nozzle turbocharger. If the oxygen sensor is faulty, indexes of the exhaust gases are deteriorating. Genuine Mercedes-Benz Om642 Engine Exhaust Back Pressure Sensor A0091535028 (4) £52. Sprinter won't. 0L DEF EGR SWIRL 55HP ECU Tuning - $750. Our knowledgeable sales staff and same day shipping are here to get you back on the road quickly. PART FITS: Suitable For Almost All OM642 Mercedes Engines. NEW upgraded design OM642 turbocharger with full billet compressor wheel. Quantity: More than 10 available / 5 sold. What the P0471 code means. Cost me $100 for a new sensor and when I replaced it all these things went away. Om646 Boost Pressure. Automotive Replacement Fuel Injection Pressure Switches A0071534328 OM642 3 PIN Pressure Sensor/Transducer f. ideengarten. If limp mode comes back it will be because the two pipes leading to the sensor are clogged with carbon. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. Exhaust - Check the exhaust for leaks between the cylinder head and oxygen sensor. They are prone to blocking up & then putting the vehicle into limp mode & causing the vehicle to. It is relatively easy to replace. GENUINE MERCEDES-BENZ OM642 V6 Diesel Injector Leak Off Pipe A6420705532 NEW - EUR 140,00. Sometimes the engine stalls and will no longer start. Sprinter oil cooler leaks are common on the 2007-present models with the OM642 V6 engine. (08-14-2018, 04:03 AM) BigK Wrote: So what I have done in the mean time, I checked for leaks. (one owner) The car was running fine some suspension, brakes problem but I spend $900 and. Get Yours Today! We have the best products at the right price. This heat is transferred straight into the engine oil. bosch exhaust pressure sensor for mercedes benz vito 122cdi 3. New England’s complete medium & heavy-duty truck support center. Check the pressure sensors KOEO; intake air, charge air, and exhaust back pressure. FOR SALE - Houston, TX - I'm selling my 2012 Cascadia, 10 speed Eaton- Fuller Trans 475 hp DD-15 motor with 858k miles. Some mechanics will check the O2 sensor at the catalytic converter too. 2005 Owners, Please Check the Location of Your Sensor Before Purchasing This Sensor Mounts on A Bracket on The Thermostat. P2953: Intake Swirl port actuator open/sensor value too low. Spark plug defouler (purchased from autoparts store) with fitting from hardware store to attach transmission fluid hose. If limp mode comes back it will be because the two pipes leading to the sensor are clogged with carbon. 7L Cummins 24V Tags: Sensor , EBP. Charge Pressure Sensor / Intake Air Temperature Sensor. I pulled the front temp sensor up by the dip stick and the EGR valve and cleaned them both with carb cleaner and compressed air. These plates allow you to block off the EGR flow from the exhaust. The installation place of the sensor has to ensure that the gas temperature never exceeds 130°C. Sale ends in: 02d 20h 37m. Europa Parts offers SAME DAY SHIPPING for Genuine, and OEM 2007-2018 Sprinter NCV3 3. JPG Relative pressure sensor with vent hole shown Remedy: As of model year 2013 (SA code 803), an absolute exhaust back pressure sensor is used. The code P0470 is in most cases set due to eaither a bad Pressure sensor or actual restricted exhaust. What the P0471 code means. Sprinter oil cooler leaks are common on the 2007-present models with the OM642 V6 engine. 2616-002 Check component B60 (Exhaust back pressure sensor. Now the gasses have a bit of oil mixed in with it, so on it's way out of the valve cover it passes through a labyrinth of baffles designed to help condense the oil and collect. Car parts catalog for MERCEDES-BENZ ML-Class (W164) ML320CDI 4-matic (164. What Exactly Is A Wastegate? A wastegate is a valve that allows a certain amount of exhaust flow to bypass the turbine wheel. Mercedes has updated the seals to much better material made from Viton which increases their life. the ECM measures the pressure drop across the DPF and also measures the temperature pre cat, post cat and post DPF. I reset the DPF adaptations and drove. TOP auto parts brands from a single source for your car » Free shipping from £ 250. For diesel engines equipped. These sensors are fitted to monitor the Pre and Post temperature and pressure of the filter. The P0471 Trouble Code refers to the exhaust pressure sensor range/performance. Applications. 8 cm (20-inch) 5-twin-spoke light-alloy wheels: R66: run-flat tyres: U10: Front passenger seat with weight sensor: U12: Velour floor mats: U38: Bumpers with scratch guard. parts for unit attachment parts,heater plugs,and speed sender unit mercedes om642  exhaust back pressure. At low engine speed the pressure delivered by the fuel pump will be lower than the pressure delivered when revs are high. 7L Cummins 24V Tags: Sensor , EBP. Manifold Absolute Pressure Sensor, commonly known as MAP, is the part of an engine's electronic regulatory system. 81,63 eur + 4,46 eur livraison. 125" lip around the ports so exhaust is getting blocked and slowing down the flow. We need a 4 bar map sensor, we have 3 bar. Give them a good clean it the fault kick back in. After checking those components, take the vehicle for a test drive with an OBD-II scanner connected to track the back pressure sensor readings. We are an official franchise dealer for Mercedes-Benz and Smart based in Hull and Lincolnshire. That causes even more Blow-by. I still have issues with high EOT, but that is a different story all together. Om646 Boost Pressure. The item in the picture your referring to with the purple spot is an exhaust back pressure sensor. GlowShift's 7 Color Series Triple Gauge Package was made for the 2005-2010 Chrysler 300. Conversion Set Mercedes Benz 3. back precisely when the exhaust gas recirculation is in operation. We need a 4 bar map sensor, we have 3 bar. While the exhaust system seems like a positive-pressure system, air can enter in the partial vacuum created by the exhaust pressure pulses. Let the Sprinter start working for you. DEF heater is another known weak points. The stock CP3 injection pump won't get you past 350 so unless you have gotten farther than me. GENUINE MERCEDES-BENZ OM642 Red Turbo & Breather Intake Seal Kit NEW - EUR 26,96. 8 L Liberty CRD 2007- 2008 Jeep OM642 Diagnostics PDF: 2007 - 2008 Jeep OM642 Diagnostics Note: The 3. 88 Add to Cart. brand new exhaust pressure sensor for bmw 1/3/5/7/x3/x6 repl. 8 bar of boost because of this if we go any higher on standard Map sensor we get cutouts because of peek boost sometimes. It can also mean that you have an air leak between the MAF sensor and the throttle body, a faulty intake air sensor, faulty manifold air control system solonoid, an exhaust or inlet manifold leak, a PCV valve or hose leaking air, a faulty fuel pump delivering low pressure, or a partially blocked fuel filter restricting flow of fuel, faulty. The maximum difference between the three is 10 hpa. 1l,0 281 006 214,Pressure Sensor 0 281 006 214,Differential Pressure Sensor 0 281 006 214 from Auto Sensors Supplier or. EUR 73,04 + EUR 44,94 spedizione. 0L Power Stroke F Series, Excursion 6,000,000 to 6,344,942 4C3Z9J460A, DPFE3 2004 Ford Ford 6. 940 - trade me motors. Now the gasses have a bit of oil mixed in with it, so on it's way out of the valve cover it passes through a labyrinth of baffles designed to help condense the oil and collect. 0L Diesel OM642 Engines 2007 Sprinter Applications to ****MAHLE PARTS ARE NOT ALWAYS IN STOCK. P0471 for Exhaust Pressure Sensor Range/Performance and P242F for Diesel Particulate Filter Restriction - Ash Accumulation. for sale is a brand new mercedes-benz genuine om642 engine exhaust back pressure sensor to fit: Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor P/N A009 153 50 28 Suitable For Almost All OM642 Mercedes Engines. All For Mercedes Om642 W164 listed are from our selection. if you are unsure about the fitment of the part please contact us indicating your car VIN number. Then I disconnected the "front exhaust" from what MB is calling the DPF and wowzer, that did the trick. Sprinter won't. 0 Store: GZ X&D co. Let the Sprinter start working for you. air flow sensor lambda nox sensor bumper parking sensor tyre pressure sensor mass air flow meter sensor maf sensor exhaust pressure sensor engine exhaust back pressure sensor wheel speed sensor. What Is a Boost Pressure Sensor? A boost pressure sensor is a part of a turbocharged engine which measures and regulates the air pressure in the intake manifold and controls the boost level of the supercharged engine. Exhaust Back Pressure (EBP) Sensor for Ford PowerStroke 6. The engine won't hold to 500 HP. So think about what happens when the MAF is under-reporting: As the car cruises down the road, the PCM “sees” less air and calculates a shorter injector pulse width, but the oxygen sensor “sees” a lean air/fuel ratio so the PCM trims the. Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor P/N A009 153 50 28. exhaust back pressure sensor: 2014-05-01 : fault relating to scr adblue warning strategy: 2014-10-21 : i/m 240 emissions testing on dynamometer: 2013-02-01 : mechanical fault in nox sensors with fault codes stored-current in engine control unit: 2016-02-26 : new egr valve resists against moisture ingress: 2015-08-13. pressure sensor. For MERCEDES W164 W166 OM642 3. New England’s complete medium & heavy-duty truck support center. iat sensor is mounted inside intake air hose to the air cleaner assembly. The basic service is to do a port match on the inlets and outlets to match the gaskets. August 3, 2019 : Followup from the Pelican Staff: Should be mounted to the fuel pump module. 920, with code (494) USA version, on model 211. Also called exhaust back pressure sensor or a low fuel pressure sensor. There is a N0x. Once we removed the high-pressure pump, we could feel a distinct difference in the effort to turn the pump compared to a known good pump. nl, al bijna 20 jaar hét autotechnisch forum v. All items are shipped same working day if purchased before 1pm unless. Spark plug defouler (purchased from autoparts store) with fitting from hardware store to attach transmission fluid hose. bosch exhaust pressure sensor for mercedes benz gl350 cdi x164 3. If one of the sensors indicates implausible values, replace the sensor concerned and proceed with operation step 2. 3 Exhaust Manifold Suppliers, Manufacturers, Companies from around the World at volvo exhaust pipe ,exhaust fan ,exhaust pipe wrap, A6420908237 Om642 Air Mass Flow Mas Sensor Duct 6420908237 Oil Pressure Sensor 3417189 4921477 904. If one or more of these sensors fail, the regeneration process may not be carried out effectively. WE DO OUR BEST TO GIVE OUR CUSTOMERS UPDATES ONCE THE ORDER IS PLACED, AND AS THE ORDER PROGRESSES, BUT THIS IS SOMETIMES DELAYED DUE TO. I think the GTA MAF has temperature sensor, as I didn't need to change the plug. Exhaust Back Pressure (EBP) Sensor for Ford PowerStroke 6. The oil pressure light on after oil change is a sign of concern. Check for aftermarket exhaust accessories and performance modifications that decrease the exhaust restriction. I got the DPF back from the shop that cleaned it and installed it on the car. The engine won't hold to 500 HP. New Garrett Turbo for 2007-2011 Mercedes-Benz OM642 Turbocharger Model GTA2056VK *No shipping fee applies to orders totaling $500 or more and shipping within the Contiguous United States JavaScript seems to be disabled in your browser. Cleaning it was easy, but the car came back in just a few months with similar MAF sensor issues. 04 - Remove_install pressure differential sensor (DPF) (ar07. bosch exhaust pressure sensor for mercedes benz vito 122cdi 3. Significant reduction of power during acceleration may also indicate a faulty oxygen sensor. Post by jediknight » Sun May 27, 2018 7:26 pm Hello, Looking for some advise on OM642 exhaust back pressure sensor. back precisely when the exhaust gas recirculation is in operation. They are prone to blocking up & then putting the vehicle into limp mode & causing the vehicle to. The sensor has a very quick response time. 122) are ready for delivery right away Buy the parts now. Differential-Pressure Sensor Intake Manifold (Bank 2) High Input P1197 Differential-Pressure Sensor Intake Manifold High Input P1198 Differential-Pressure Sensor Intake Manifold Low Input P1199 Differential-Pressure Sensor Intake Manifold Plausibility P1200 Fuel Trim Upper Adaptation Range System Too Lean (Bank 1) P1201. BlueTec diesel’s run exhaust temperatures of 1400°F. Two other sensors, the Charge Pressure Sensor and Air Intake Pressure sensor, will also cause the vehicle to go into limp mode if they are faulty. If limp mode comes back it will be because the two pipes leading to the sensor are clogged with carbon. Part Number: 29753-05818504. Applicable For OM642 Mercedes Engines. If you drive in the mountains or haul a lot of weight, the exhaust temperature can reach 1800°F. The first cell electrochemically pumps O 2 out of the sample so it does not interfere with the NOx measurement in the second cell. Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor. Exhaust Back Pressure at idle - 1517 hPa Pressure Differential in DPF - 138 hPa As I increase rpm to 2000 rpm (parked), back pressure increases to approximately 2000 hpa, and differential climbs to above 200. I work for a Dodge Dealer and specialize in Sprinters. Get Yours Today! We have the best products at the right price. The engine features common rail Direct injection and a variable nozzle turbocharger. Uneven exhaust pulses are driven by the unequal partial pressure of oxygen (PpO2) contained in a less efficient cylinder’s exhaust stroke. Condition: New. If limp mode comes back it will be because the two pipes leading to the sensor are clogged with carbon. NEW upgraded design OM642 turbocharger with full billet compressor wheel. 5" stainless exhaust, FMIC, upgraded sensors, lowered & stiffened suspension, own remap GTV 3. 7L Powerstroke Tags: Sensor, EBP $. This engine is used in everything from an E-Class sedan up to the 3500 dually Sprinter vans. Reset the P0472 Exhaust pressure sensor diagnostic trouble code in this Mercedes E Class. P0401/P0402: Exhaust Gas Recirculation Flow Excessive. 0 L engine in the 2007 - 2008 Jeep is very similar to the engine used in the 3. Codes Related to P0172. Large range of Dpf for MERCEDES-BENZ CLS (C219) OM642. The sensor wire (for the power steering pressure) tends to corrode or break loose. Atmospheric oxygen entering before the HO 2 S would skew oxygen content measurements. TOP auto parts brands from a single source for your car » Free shipping from £ 250. Om646 Boost Pressure. 85 CENTAURUS Exhaust Back Pressure Sensor EBP Compatible with Ford Powerstroke 6. Applicable For OM642 Mercedes Engines. the van is driving as. bosch exhaust pressure sensor for mercedes benz vito 122cdi 3. Engine diagnosis warning lamp active, mal-function at exhaust back pressure sensor Topic number LI07. last week i pulled apart all the exhaust. nl, al bijna 20 jaar hét autotechnisch forum v. If there is an exhaust leak in front of the O2 sensor the PCM will sense a lean condition from the O2 sensor and the command from the on board computer will be to increase fuel delivery, and now a rich condition will result. The P0471 Trouble Code refers to the exhaust pressure sensor range/performance. 0L Diesel OM642 Engines 2007 Sprinter Applications to ****MAHLE PARTS ARE NOT ALWAYS IN STOCK. The reason I know is because I broke mine off when trying to get to the thermostat recently and it did the exact same thing. Some models have been Dorman-engineered to include a modified flex joint that reduces the possibility of damage due to heat and. The maximum difference between the three is 10 hpa. PART FITS: Suitable For Almost All OM642 Mercedes Engines. 04-N-066219 Version 3 Design group 07. It's not complete yet, but well on it's way. P0471 for Exhaust Pressure Sensor Range/Performance and P242F for Diesel Particulate Filter Restriction - Ash Accumulation. 122) with 224 hp engine, starting from 2005 Inexpensive parts for this model M-Class (W164) ML320CDI 4-matic (164. 7L Ford Powerstroke diesel trucks. If you drive in the mountains or haul a lot of weight, the exhaust temperature can reach 1800°F. Ask Your Own Ford Question. Om646 Boost Pressure. When the exhaust back pressure reaches 16kPa~20kPa, the performance of the diesel engine starts to deteriorate, the DPF(Diesel Particulate Filter) jams, leading to white smoke and weak acceleration, etc. 5" stainless exhaust, FMIC, upgraded sensors, lowered & stiffened suspension, own remap GTV 3. Research says pressure sensor, pressure regulator, pressure control valve, flow quantity control valve or high pressure pump. The code P0470 is in most cases set due to eaither a bad Pressure sensor or actual restricted exhaust. At the same day few hours before the car had some twitch during acceleration. Part Number: 29754-05818504. Will Fit: Mercedes A-Class (W169) 09. n007603012100. Diesel Exhaust Fluid Heater. Differential Pressure Sensor (OM642) OEM Bosch differential pressure sensor for Mercedes-Benz vehicles equipped with the OM642 engine. The soot loading model can then be adjusted to the increasing ash content. Sprinter won't. Let the Sprinter start working for you. Diesel Particulate DPF Filter Mercedes Sprinter 2007-2009 Length 25 Inch / 63. by water gauge. If all is normal, you do not likely have an exhaust back-pressure issue. The oil pressure light on after oil change is a sign of concern. GENUINE MERCEDES-BENZ OM642 Red Turbo & Breather Intake Seal Kit NEW - EUR 26,96. See below for specific fitment. Exhaust Pressure Sensor Malfunction: P0471: Exhaust Pressure Sensor Range/Performance: P0472: Exhaust Pressure Sensor Low: P0473: Exhaust Pressure Sensor High: P0474: Exhaust Pressure Sensor Intermittent: P0475: Exhaust Pressure Control Valve Malfunction: P0476: Exhaust Pressure Control Valve Range/Performance: P0477: Exhaust Pressure Control. FOR SALE - Houston, TX - I'm selling my 2012 Cascadia, 10 speed Eaton- Fuller Trans 475 hp DD-15 motor with 858k miles. by water gauge. Our knowledgeable sales staff and same day shipping are here to get you back on the road quickly. All For Mercedes Om642 W164 listed are from our selection. 04-N-066219 Version 3 Design group 07. o2 sensors location. P0471 for Exhaust Pressure Sensor Range/Performance and P242F for Diesel Particulate Filter Restriction - Ash Accumulation. nz Satellite sites. An EGR valve is a part of the exhaust gas recirculation system that returns part of the exhaust gases back to the cylinders. The injection system operates at 1,600 bar. This is apparently the. The reason I know is because I broke mine off when trying to get to the thermostat recently and it did the exact same thing. Phil check the exhaust manifold for leaks especially at the back, if its leaking here it will trip out on underboost. The item in the picture your referring to with the purple spot is an exhaust back pressure sensor. Pressure sensors tell the engine computer (ECU) the DPF is full and needs to burn out the soot. pressure sensor. 981 P1470 - 16 charge pressure control is too low P1470 - 032 charge pressure control is to high Done so far:- checked and tested OK turbo boost control solenoid vacuum pipes to and from solenoid heater vacuum control - OK wiring to and from solenoid to ecu. Part Number: 29753-05818504. In other words, because exhaust gasses go back and forth up and down the extractors and exhaust system VERY fast, you will get a very bouncy needle on the vacuum gauge we use to measure back pressure. These plates allow you to block off the EGR flow from the exhaust. Give them a good clean it the fault kick back in. Fitting instructions for FAE Exhaust Gas Pressure Sensors. 400 HP would be the top of what a stock engine could handle, but you will be pushing the limit of the stock head bolts. GENUINE MERCEDES-BENZ OM642 V6 Diesel Injector Leak Off Pipe A6420705532 BNIB - EUR 132,59. I chased the same problem as you for 2 months, partly because the exhaust back pressure sensor originally bought directly from MB dealership was faulty. Changed sensor, but the car is. Guaranteed to fit the following models: 2001-2003 Sprinter T1N 2. Engine diagnosis warning lamp active, mal-function at exhaust back pressure sensor Topic number LI07. Payments can be made over the phone we accept all debit and credit cards. Squadra Moravia 156SW 1. Shipping to 98052: Items in search results. I reset the DPF adaptations and drove. ) Positioner signals fault. A month ago "check engine" light came out. If ash content is too high, the only option is to replace the DPF. 0L DEF EGR SWIRL 55HP ECU Tuning - $750. a0061534928. New England’s complete medium & heavy-duty truck support center. 0L V6 Mercedes Diesel engine has proven to be a strong and reliable motor. I work for a Dodge Dealer and specialize in Sprinters. 2007-2018 Sprinter NCV3 3. Condition: New. start back up it will go a few miles then the oil pressure drops and the truck dies. 5 Decat (1). Mercedes has updated the seals to much better material made from Viton which increases their life. DPF exhaust pressure sensor is not expensive. There are two sensors in the control loop, a pressure sensor and an air temperature sensor. To get over 300 HP we need a different rail pressure sender (limited at 1600 bar would love to find a plug & play 2000 bar) 5. We have been in business for over 15 years and pride ourselves on providing the highest quality products with excellent customer service. The air mass information is necessary for the ECU to correctly balance and deliver the correct amount of fuel to the engine. I checked back pressure, and no DPF is clogged. Engine diagnosis warning lamp active, mal-function at exhaust back pressure sensor Topic number LI07. I have an OM642 and have been getting a low oil pressure light come up on the dash together with the warning chimes. This is an service to port and polish your exhaust y pipe. Condition: New. The exhaust back pressure sensor determines the exhaust back pressure upstream of the turbocharger. Differential Pressure Sensor (OM642) OEM Bosch differential pressure sensor for Mercedes-Benz vehicles equipped with the OM642 engine. Sounds like a bad sensor. The gasses flow out of the PCV port and into the intake manifold where they are sucked back into the engine to get consumed and pushed out of the exhaust. 5" stainless exhaust, FMIC, upgraded sensors, lowered & stiffened suspension, own remap GTV 3. DPF exhaust pressure sensor is not expensive. Pressure diff: 7hPa at idle - 65 @ 3. Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor A0091535028 NEW: pin. Where possible, CRD Performance will remove the DPF assembly, empty its contents and seam weld it back together so that it still appears fully intact. PO299 code Code p0299 is a turbo under boost code most likely caused by sticky vanes in the vgt turbo another common cause is a bad exhaust back pressure sensor. TOP auto parts brands from a single source for your car » Free shipping from £ 250. Please check your intake manifold rod to make sure that it has a sensor pickup point at either end of the rod (facing opposite ways). Diesel Particulate DPF Filter Mercedes Sprinter 2007-2009 Length 25 Inch / 63. PO299 code Code p0299 is a turbo under boost code most likely caused by sticky vanes in the vgt turbo another common cause is a bad exhaust back pressure sensor. P2953: Intake Swirl port actuator open/sensor value too low. Fits built before 5/12/1997. A wide variety of mercedes om642 engine options are available to you,. 4L Powerstroke, Sensors and Wiring for 2011-2016 6. Some models have been Dorman-engineered to include a modified flex joint that reduces the possibility of damage due to heat and.  The pressure value is used by the CDI control unit(N3/9) to monitor the diesel particulate filter (DPF) fill level and for protection of the turbocharger and engine. The installation place of the sensor has to ensure that the gas temperature never exceeds 130°C. o2 sensors location. differential pressure sensor. The sensor has a very quick response time. It's not complete yet, but well on it's way. The exhaust pressure sensor must be relocated for these engines or your turbo will not operate correctly because the ECM can not see what exhaust boost pressure is to help control the turbo VGT system. 8 cm (20-inch) 5-twin-spoke light-alloy wheels: R66: run-flat tyres: U10: Front passenger seat with weight sensor: U12: Velour floor mats: U38: Bumpers with scratch guard. The kit includes an AEM high performance stainless steel 100psig pressure sensor (Part#30-2130-100), stainless steel standoff tube, stainless steel braided hose and fittings. 5bar sensor. So think about what happens when the MAF is under-reporting: As the car cruises down the road, the PCM “sees” less air and calculates a shorter injector pulse width, but the oxygen sensor “sees” a lean air/fuel ratio so the PCM trims the. Mercedes Om642 Tuning. We're still open to keep you moving. Squadra Moravia 156SW 1. Jeep Mercedes OM642 exhaust Y Pipe collector port and polish. 8 L Liberty CRD 2007- 2008 Jeep OM642 Diagnostics PDF: 2007 - 2008 Jeep OM642 Diagnostics Note: The 3. About 30k ago I filled it with Amsoil Signature Series Max-Duty Synthetic Diesel Oil 0W-40. It even causes the exhaust pipes to crack and cause exhaust leaks into the cabin. Suitable For Almost All OM642 Mercedes Engines. BAT Team Discussions for P0299. The OM642 family engine is used in many Mercedes-Benz / Daimler Chrysler vehicles including: Check the pressure sensors KOEO; intake air, charge air, and exhaust back pressure. Genuine Exhaust DPF Sensor. Went to a garage to get repaired. The air mass information is necessary for the ECU to correctly balance and deliver the correct amount of fuel to the engine. 0 CRD 2006 with 100k miles. It is relatively easy to replace. the van is driving as. 920 CLS 320 CDI 211 HP Exhaust automotive parts and others. A faulty exhaust pressure valve may cause the vehicle to experience a reduction in power, acceleration, fuel efficiency, and in some cases even hard starting. Note: Does not fit for Jeep Commander, Mercedes Viano and Mercedes R-class A very common problem is the prone original Mercedes Benz T-hose that sits at the intake. I have an OM642 and have been getting a low oil pressure light come up on the dash together with the warning chimes. 9JTD: GTB2060VKLR turbo, performance cam&head, WM injection, 6speed Q2 gearbox, 4p Brembo brakes, 2. Compact and light with high torque: New V6 engine continues the great diesel tradition of the Mercedes-Benz brand • Successor to the previous in-line engines with five and six cylinders • Output increased by up to 38 percent with exemplary fuel economy • Best torque characteristics in this displacement class • Third-generation common-rail injection with piezo injectors. I was thinking about 4bar one, but the resolution is quite low and to be honest out of my application (don't know about any suitable (small) turbo ready. Any pointers with this one would be great! '51 plate Sprinter 90,000 miles WDB9036632R356087 eng - OM611. O:Map sensorit. The P0299 is a code telling you that you have low boost pressure. DTC P2025 Intake pressure sensor plausibility. 940 - trade me motors. Jump to Latest Follow 1 - 14 of 14 Posts. 63 EXHAUST BACK PRESSURE SENSOR MERCEDES ML280 ML300 ML320 ML350 ML420 CDI W164. 1l,0 281 006 214,Pressure Sensor 0 281 006 214,Differential Pressure Sensor 0 281 006 214 from Auto Sensors Supplier or. Give them a good clean it the fault kick back in. New Genuine MERCEDES-BENZ OM642 Engine Exhaust Back Pressure Sensor A0091535028. 2 CDI Intake Manifold Swirl Flap Repair Kit For MERCEDES W164: $24. 0 V6 diesel: $152. Excessive back leakage in the injectors means that the high pressure pump cannot provide enough pressure. My sensor was completely broke off so I knew it needed replacing. # A0091535028 Fitment: For 2012-2014 Mercedes-Benz ML350 Package: 1PCS A0091535028 Engine Exhaust Back Pressure Sensor. 7L Powerstroke Tags: Sensor, EBP $. 822 GL 350 CDI 4-matic (164. 5 Decat (1). I think the GTA MAF has temperature sensor, as I didn't need to change the plug. exhaust back pressure sensor: 2014-05-01 : fault relating to scr adblue warning strategy: 2014-10-21 : i/m 240 emissions testing on dynamometer: 2013-02-01 : mechanical fault in nox sensors with fault codes stored-current in engine control unit: 2016-02-26 : new egr valve resists against moisture ingress: 2015-08-13. Air in coolant. Unsure if this item fits please message us! Brand new boxed unopened Genuine Mercedes-Benz Part Payment and Delivery We only accept payment through PayPal. Compliant with the strictest standards for quality Expertly crafted using the up-to-date technology. Mercedes Om642 Tuning. 7L Cummins 24V ISC ISM ISX SKU: ZBX-3105 Categories: ZBX-3100 Series EBP Exhaust Back Pressure Sensor , Cummins , Zibbix , Sensors and Wiring for 2007. My sensor was completely broke off so I knew it needed replacing. These sensors are fitted to monitor the Pre and Post temperature and pressure of the filter. you have one the exhaust manifold. Buy Clevite MAHLE CS548162 at JEGS: Clevite MAHLE Conversion Set Mercedes Benz OM642 3. The extreme heat causes the NOx and other exhaust sensors to fail. What the EGR Valve Does The EGR valve is a small component designed to allow the flow of exhaust gases into the intake manifold in controlled amounts. 87 aka DPF Pressure Sensor Connects to hoses before and after the exhaust Diesel Particulate Filter (DPF) 12 required for OM642 engine: $29. # A0091535028 Fitment: For 2012-2014 Mercedes-Benz ML350 Package: 1PCS A0091535028 Engine Exhaust Back Pressure Sensor. What the P0471 code means. V6 diesel engine OM642: R02: All season tyres: R33: 50. Sprinter Diesel Diagnostics 2007 - 2009 Sprinter OM642 Diagnostics | 2001 - 2006 Sprinter Van Diagnostics 2007- 2009 Sprinter OM642 Diagnostics PDF: 2007 - 2009 Sprinter Van OM642 Diagnostics In order to do proper diagnostics you will need a scan tool and some special tools available from Mopar Special Tools https://mopar. 7L Ford Powerstroke diesel trucks. Sprinter oil cooler leaks are common on the 2007-present models with the OM642 V6 engine. All D&W locations are open normal hours and ready to serve you. Fitting instructions for FAE Exhaust Gas Pressure Sensors. exhaust back pressure sensor: 2014-05-01 : fault relating to scr adblue warning strategy: 2014-10-21 : i/m 240 emissions testing on dynamometer: 2013-02-01 : mechanical fault in nox sensors with fault codes stored-current in engine control unit: 2016-02-26 : new egr valve resists against moisture ingress: 2015-08-13. This heat is transferred straight into the engine oil. Part Number A0091535028. We're still open to keep you moving. This sensor is continuously used to monitor the release of exhaust gases, and the back pressure in the. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. The sensor reads exhaust pressure and enable the PCM (computer) to control the amount of turbo boost, the symptoms would have be a low of power as well as overall performance and fuel economy. OM642 Exhaust pressure sensor. 1l,0 281 006 214,Pressure Sensor 0 281 006 214,Differential Pressure Sensor 0 281 006 214 from Auto Sensors Supplier or. 6 £ | HONDA VTR SP1 & SP2 AIR PRESSURE SENSOR/EXHAUST SOLENOID GAS REC MERCEDES BENZ OM642 ENGINE EXHAUST BACK PRESSURE supplementary article/info 2control unit/software must be trained/updated. Zibbix EBP Exhaust Back Pressure Sensor for 04-18 5. 0 CRD 2006 with 100k miles. I'm not ready to swap out sensors just yet, though. Then plug the connector back in so that the two strands stick out through the connector's housing. What the P0471 code means. The soot loading model can then be adjusted to the increasing ash content. Let the Sprinter start working for you. NEW upgraded design OM642 turbocharger with full billet compressor wheel. differential pressure sensor. The OM642 family engine is used in many Mercedes-Benz / Daimler Chrysler vehicles including: Check the pressure sensors KOEO; intake air, charge air, and exhaust back pressure. View Product Mercedes A/C Idler Pulley Wrench. HZYCKJ Exhaust Back Pressure Sensor Compatible for Maxx Compatible Force DT9 DT10 Navistar DT466 DT570 HT570 OEM # 1846480C2. The check engine came back with a code for plugged DPF within days. The installation place of the sensor has to ensure that the gas temperature never exceeds 130°C. Only for OM642 3. The basic service is to do a port match on the inlets and outlets to match the gaskets. The extreme heat causes the NOx and other exhaust sensors to fail. This is an service to port and polish your exhaust y pipe. See below for specific fitment. Buy Clevite MAHLE CS548162 at JEGS: Clevite MAHLE Conversion Set Mercedes Benz OM642 3. 3L Dorman 598-104 OE# F4TZ-9D477-A. 5" stainless exhaust, FMIC, upgraded sensors, lowered & stiffened suspension, own remap GTV 3. Feel free to use my story as another satisfied customer. - Work done in the past 2 years: new battery, drivetrain, a few other things, last month: glow plugs, DPF sensor, back pressure sensor, air seal, and more. We're still open to keep you moving. 122) are ready for delivery right away Buy the parts now. P0401/P0402: Exhaust Gas Recirculation Flow Excessive. The ECU gets confused, and may drive the engine speed up and down (trying to compensate for engine load during power steering operation). Phil check the exhaust manifold for leaks especially at the back, if its leaking here it will trip out on underboost. the other sensor located down at the catalytic converter. The NOx sensor can be seen on the right-hand side, downstream of the NOx adsorber. Ask your mechanic to monitor live data on the High Pressure circuit, if you are reading about 270-350bar minimum at 1000-1200rpm spot-on, a great deal more than this and the sensor could be measuring out of range. What the P0471 code means. Shortages of oxygen may slow down the soot oxidation rate and negatively affect the regeneration process. SOURCE: getting a code #P0038 bank #1 sensor 2 down stream that's after exhaust manifold! I would change both to assure fuel efficiency and economy and they are part of 80thousand to a 100 thousand km service that should be replaced if you replace just the 1 that is gone I guarantee the up stream bank 1 sensor 1 will go almost immediately shortly after save and do it right first time but it is. Unsure if this item fits please message us! Brand new boxed unopened Genuine Mercedes-Benz Part Payment and Delivery We only accept payment through PayPal. 0L Power Stroke E Series 0 to 149,760 4C3Z9J460A, DPFE3 1995-2003 Ford Ford 7. Large range of Dpf for MERCEDES-BENZ CLS (C219) OM642. Genuine Mercedes-Benz OM642 Engine Exhaust Back Pressure Sensor P/N A009 153 50 28. This electrically regulated control flap allows the volume and mix of the exhaust gases added to the combustion air to be very precisely metered. 0V6 24v: C30-94 charger, short gearbox with Quaife ATB, big 4p Brembo brakes, SMF, lowered suspension, custom freeflow equal lenght x-pipe quad tips exhaust. Guaranteed lowest price! Open 24x7 - Same Day Shipping! $10 off $299+, $20 off $599+, $30 off $799+, $100 off $1,599 Orders. Large range of Dpf for MERCEDES-BENZ GL (X164) OM642. View Product Mercedes A/C Idler Pulley Wrench. NEW upgraded design OM642 turbocharger with full billet compressor wheel. If this happens, it's bad for several reasons. So think about what happens when the MAF is under-reporting: As the car cruises down the road, the PCM “sees” less air and calculates a shorter injector pulse width, but the oxygen sensor “sees” a lean air/fuel ratio so the PCM trims the. 022 with OM 642.