Om642 egr fault This kit removes the entire EGR system from the OM642 Jeep Mercedes motors that do not have the later Urea Injection System. Usually this will set a code. Maybe op is already in limp mode due to something else preexisting, so thinks its normal for his van to be a gutless pos. Mercedes M class CDI. Check of the EGR inlet point/ EGR pipe for carbonization. On road test the car performed very well, with no black smoke but plenty of acceleration on demand, as said, no codes are being logged during mixed road test and period of idling. Thread starter bembo449; Start date Mar 16, 2021; bembo449 Senior Member. Aug 6, 2019 · Here are the errors that came up after diagnostic: component stored Y27/9 (Left EGR Positioner) Positioner signals fault, glow plug cylinder 1 check lines between cylinder 1 and N14/2 (Glow output stage), glow plug cylinder 4 check lines between cylinder 4 and N14/2 (Glow output stage), Check component N33/2 (heater booster controlmodule Jul 4, 2009 · Hi, On 2006 E320CDI facelift Turbo Actuator was repaired about 5 years ago by a reputable repair. have tried new egr but no luck. Usually it tops out around 2300 when in limp mode. ALFAitalia; Nov 3, 2024; Engine; 2 Jul 3, 2014 · I took it to a friend who has a fault reader and it came up with 'P0405, Exhaust Gas Recirculation Sensor A Circuit Low' and 'Component Y27/9 (Left EGR Positioner) has internal fault. pdf document, Applications: See Image > USD $19. Relocate exhaust gas temp sensor; Remove DPF; Tune Replace DPF with a straight pipe (just the ~1. Oct 21, 2010 · Moral of the story: code "P0402- EGR Excessive Flow" is bogus. 3. Mar 19, 2012 · But we still have a problem, if the motor is removed, a fault code will be logged, stating 'M55 inlet port shutoff motor signal wire resistance too high'. May 14, 2023 · Hi all. g. Your 2017 OM642 has the same basic emissions problems as the AEM models. PDF TUNAP 926 MSDS. Oct 23, 2021 · Remove plastic cover from front of egr and you can operate it by pushing down on the arm. 3 volts and the maximum value set at 4. Might be better to block EGR at the other end of the EGR tube, where it enters the valve upstream from the EGR Cooler. It works in conjunction with the EGR, but it is not part of the re-circulation system. 20 - Exhaust gas recirculation Date 5/23/24 Validity 906, 907 Sprinter with OM642 V6 Diesel Engine Reason for change Update Work Instructions Complaint Complaint A: The engine is jolting/bucking between 1700 and 1900 rpm. Dirty or damaged Mass Air Flow sensor; Apr 16, 2013 · The EGR is mentioned by some the cause of inlet manifolds clogging up with soot causing expensive issues for the WH diesel. I completely stripped and cleaned the mixing chamber, throttle and the intake port. cost £1 Aug 21, 2021 · Weird thing was I was able to get over 3000rpms. Search function in WIS , But it was insufficient! EGR function working detail condition was not found. I know that the vanes are designed to open to give more boost, and Im wondering if because they are not closing properly, the turbo is trying to generate boost on tick over, then the egr sees this and throws a code, but I dont know if the vanes are meant to close on each other Jul 13, 2003 · Today I received the EGR mod made by DM. Located the EGR and lubricated the spindle under black plastic cover which was sooted up but Dec 6, 2020 · Hello all, so far I have swirl flaps and egr delete. Jul 2, 2008 · I have a stuttering OM642 under load, fault code (P2510-001, Y77/1 turbo actuator positioner signal fault) is pointing to the actuator failing on the turbo. Carbonization of the EGR inlet point/ EGR pipe. A UK based Chrysler 300 forum has the answer. The second part of your reply is beyond my current knowledge. Jun 17, 2017 · My GL 320 CDI went into a limp mode with a check engine light on. Jul 23, 2015 Nov 12, 2018 · Just fix one problem with EGR valve, and came another one 10CA00 - Component B96/1 (left intake port shutoff end position sensor ) is defective. Apr 22, 2016 · Positioner signals fault. Turbocharger Problems. May 20, 2022 · Slow week at the shop this week for whatever reason so I decided to investigate the sticking EGR issues a little which required a bit of a sacrifice from an old, completely seized, EGR valve. Thread starter Wighty I also have parts and garage cover and have the fault codes for the stuck egr. The symptoms also seem the same as with DPF issues, so thinking of taking to a DPF specialist, but the local ones in Edinburgh don't seem to be able to accommodate vans - which is one of the main problems we have trying to get anyone to decent to look at it. Cause: Remedy: 1. Car had rough start, poor idle and no boost. I took the valve apart and I cleaned it. Sep 18, 2017 · Over time (several thousand miles) 50-100k miles the inside of the intake manifolds get clogged with EGR soot, buildup causing the intake swirl flaps to stick. The sticking or binding of these flaps then binds the motor which causes the check engine light and or a sever loss of acceleration. The USA system looked for a change in intake flow. Note: The fault code (FC) 14A600, 14A700 or 14B100 is stored in the engine control unit. No other fault code appearing. Mar 18, 2023 · The actuator, inlet port motor,exhaust back pressure sensor and I think the egr are all governed by the same fuse , F44 15amp in the engine bay . ' Wondering if anyone can shed some light? Where would I find the 'Left EGR Positioner' and the 'Exhaust Gas Recirculation Sensor A' on the OM642 V6 Diesel engine? EGR Valve Electrical Fault Codes. All I can find after hours of looking is resources for cleaning the 3. The engine light typically shows up during long trips where the engine is at a constantly high temperature. jpg Exhaust gas recirculation system (EGR), charge air sy-stem Symptoms Power generation / Engine management / Engine management indicator lamp / Engine diagnosis / lit Power generation / Engine management / Engine performance / Goes into limp-home mode Control unit/fault code Control unit Fault code Fault text CDI60Common Rail Diesel In- No content available for this webpage. Sep 7 I got a x166 complain with CDI om642 engine vibration. 2. Aug 24, 2021 · Scanned with star and no faults-tried egr actuation and engine starts to hesitate and even can stall if cold when i actuate egr to open position. Sep 22, 2017 · OBD II fault code P0401 is a generic code that is defined as “ EGR Insufficient Flow Detected”, and is set when the PCM (Powertrain Control Module) detects a lower than expected flow of exhaust gas through the EGR (Exhaust Gas Recirculation) system. Parts replaced - Dpf (W&l Inc), egt, nox sensors, intake seals, dpf sensor, dpf sensor connector and spliced connector by ecu, map, maf, cleaned scr, pcv, cleaned egr and Overview of EGR in Mercedes-Benz Sprinter. Good for you having a go the OM642 isn Feb 19, 2019 · I even ran a new EGR that I had on the shelf to eliminate a possible defective EGR and that did not fix the problem. Feb 19, 2025 · 3. (See Service Bulletin, LI14. The first letter indicates the type of code: P = Powertrain C = Chassis B = Body U = Network The second code indicates an issue with the left EGR positioner, which might be an electrical problem or a fault with the positioner itself. 0crd 2006 and when I had issues I had p0404 (egr) on my icarsoft bcii on the Chrysler / Jeep reading side of the diagnostics but on the generic obd reading side it would show the p0403… so a specific Jeep reader will give you more detail code wise. It's in limp mode but starts perfect and runs fine although smells a little rich on start up. Inlet port motor is also good. If the EGR Valve has been diagnosed as having an electrical fault, the EGR Valve must be replaced. Joined Jan 2, 2012 Messages 6,774 its running a DPF / EGR delete , swirls Removing and cleaning egr valve for the Mercedes om642 3-liter V6 diesel engine. Any other help or suggestions welcome. I also ran resistance test on all wires from the EGR plug to the CDI and all of them checked out except one. 2024 01:34 CCUSHWA Easy and fast fix for Egr sistem on mercedes diesel. However, it can experience several issues, such as: Turbo lag; Boost leaks; Failure of the variable geometry Sep 29, 2022 · Hello MB gurus, I have a 2010 E350 CDI coupe (OM642) which I drive almost every day. The EGR vaccum as been disconnected and I went for a ride on highways, city, country roads and no bother at all, no limping mode. re-set all of the adaption data (HFM drift compensation in Xentry diag actuations menu) The OM642 is a six-cylinder diesel engine developed by Mercedes-Benz, manufactured from 2005 to 2021 in Berlin and Untertürkheim. Symptoms: None really. 20-N-073867) This code covers a wide range of common problems. This sensor is part of the actuator itself and the entire actuator has to be replaced as a complete assembly to resolve this issue. Regularly servicing the EGR system, including cleaning or replacing components as needed, can help optimize performance and prevent further issues. 07. It can still be done, the UK forum has been working on cdi3 deletes for a while now. Jun 10, 2020 · Diesel Mercedes are common for their EGR failures, and while there were much easier to bypass on older models, newer models have been programmed to identify when the EGR has been blanked off / bypassed by bringing up fault codes, warning lights and even causing the vehicle to go into “Limp Mode” to restrict the performance of the vehicle. I will examine the pipes tomorrow during daylight to see if I can understand them and determine if it is something I can Dec 31, 2015 · Hello everybody, wonder if anyone can help. com or eAutorepair. To recap, having a DPF efficiency fault. Feb 17, 2025 · Neglecting EGR problems can lead to more significant engine issues, including increased emissions and potential engine damage. EGR System Problems. Part Number: OE A6421400860 — Apr 19, 2023 · W164 OM642 suspected turbo actuator fault Jump to Latest 2. Mar 15, 2019 · Just threw code P245A EGR. Have big trouble with w211 om642 Car start showing up 2511 fault Oct 17, 2023 · Hi guys, so I am new to the Merc platform, more specifically with the OM642 engine. All OM606 turbos had monitored EGR systems. When this happens, there are usually no adverse symptoms, only the engine can ping if it ran on regular gas. Jan 2, 2016 · Read Fault Memory Clear Fault Memory Actual Values When I select Actual Values I see about a dozen items. The OM642 was produced in DE30LA, DE30LA red, and LSDE30LA Jan 6, 2023 · Code P0544 does not stand for the EGR cooler temperature sensor. Anyone done that on these Jan 4, 2014 · - 2598 - EGR position left, wrong signal, intermit. I have been reading up on known issues and faults so I can better understand my vehicle and prevent/prepare. Feb 10, 2025 · -Sensor Failures: Malfunctioning EGR sensors can trigger warning lights and affect engine efficiency. Jul 26, 2022 · The EGR also looked like it had already been replaced. Please like & subscribe my channel. For the jerk in the transition maybe user gearbox. 2) There are two 6-point bolts holding the EGR valve in the housing. A deformed EGR corrugated tube internally. Take off the throttle flap and pipes and give them a good clean. Reinstall the cleaned EGR valve or replace it with a new one if necessary. Jan 10, 2019 · Ed, FWIW I cleaned mine on a R320 CDI. It Dec 19, 2011 · The fault would always occur at a cruising speed of around 70 mph The above is the only fault code logged, and translates as "EGR malfunction, EGR air flow is too low" (which means airflow measured at the MAF sensor is too high). 5 piston that it can’t figure it out. Furthermore, at the time I should have checked the egr pipe to the cooler for blockage . Mar 15, 2021 · Hi, anybody encounter this problem? fault code 14A600 - positive control deviation of exhaust gas recirculation control is too high. c. With the easy instructions that DM wrote me, I was able to put the Mod in place without bother. Jun 14, 2020 · Depending on the engine and driving conditions, the ECÎœ will control the EGR Solenoid which will operate the EGR Vacuum Îœodulator to regulate the opening and closing of the EGR Valve. Piezo High-Pressure Common Rail Basic Information Aug 29, 2024 · My 2016 NCV3 3. We diagnose this Mercedes-Benz ML for running issues. Strangely at 160k miles the EGR pipework etc was completely clear of deposits except for a light coating of soot Now there is a problem with the Exhaust back pressure sensor. 95. l will be checking that before spending cash. Pinched or dislodged seals or boots on the clean air line (in direction of air filter box and turbocharger). 9 volts. Jun 20, 2020 · After fitting 4. Before I tryied the resistor mod I didnot get any fault regarding the swirl flaps, I was only curious to try it if there will be some change in the engine behavior. All Diagnostic Trouble Codes have a letter followed by a 4-digit number (e. 8K views 2 replies 2 participants last post by albiad8 Jul 15, 2024 Feb 6, 2025 · E350 Estate S212 om642 2014 Feb 6, 2025; Thread Starter; Thread starter #2 The universe obviously heard my hubris. Use the EGR valve cleaning kit to clear out any carbon deposits. The most common cause for this fault code to come up is a faulty EGR actuator position sensor. 7 mb, 168 pages Format: . Fuel Injector Problems. EGR issues can lead to increased emissions and reduced fuel economy. 0 full deleted back pressure exhaust sensor test! We'll also be showing you how to remove your Mercedes 3. I don't understand the link with an EGR fault Note: Fault code 14A600 or 14A700 14B100 is stored in the COi control unit. This kit removes the EGR valve and EGR cooler systems. ) . On my engine it passed the test suggesting the problem was not the egr valve. After quick acceleration to about 90km/h, like, genuinely pedal to the ground, a red bolt turns on in the instrumwnt cluster and the car goes in limp mode, sometimes before that it starts to lag. im sure its something to do with that acuator but if some one could shed some light i wud be most grateful. I have been experiencing some EGR issues recently, with the engine light popping up at coolant temps around 80 degrees. Mar 3, 2020 · Fault showing on diagnostics: P010106 Mass Air Flow sensor Algorithm Fault. The egr is operating as it should, and so is the actuator. Check Engine Light and Limp Home. The best thing is to read the uds side that pins down exactly what sensor is at fault and not use obd codes for guessing. When I replaced it car started to work no limp mode I cleared the faults and no one appeared again. Oct 11, 2017 · The only "throttle body" a CRD has is for the EGR system, regulating how much EGR gases go back into the intake system. NAH! (don't be fooled), We gently ran down the mountain until the engine reached a more normal 96 c and the CEL active code went stored with the EGR once stuck at 25% was now at its usual 5 %. Jun 25, 2022 · One of the EGR wires has already been replaced and that fixed the P0069 error, but it has since gone back into limp mode. Do I need to replace EGR or can I get a new damper? With components removed, we get a view of the complete EGR system of an OM642 diesel engine. TUNAP 926® MSDS. what I have done in the few weeks of ownership are the following: 1) EGR Delete with Stage 1 software upgrade. - 2696 - Left exhaust pressure sensor, pressure to high, permanent - 2592 - Position sensor turbo actuator, wrong signal, permanent It seems that the EGR flow is to low (air mass measured from MAFs to high). Prior to repair there was a lot of kangarooing and limp mode. 04. Fault code is Y27/9 Left EGR positioner internal fault. If you just remove the hose it will soon drop into limp more. Jul 19, 2012 · 2. 921 Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 Download: 36. Nov 18, 2023 · Have big trouble with w211 om642 Car start showing up 2511 fault code for fault in EGR mehanism. If the EGR system really did have a vacuum leak, wouldn't the EGR be stuck closed? And that wouldn't be excessive flow at allit would be no flow. A lack of power when cold. Mar 19, 2008 · An EGR valve can fail in two ways: open or closed. Thread starter Stephen_ Start date May 8, 2013; S. After cleaning, test the EGR valve to ensure it opens and closes correctly. All is good. The same process as 280cdi, 320cdi and 350cdi. May 6, 2023 · When attempting to restart the motor it sputtered and died. On either of these the 'B19/11 Temp sensor upstream of turbocharger' is the value you want. a. 5ft section of the DPF pipe; SUPER cleaned intake manifolds; Remove swirl flap valves entirely and welded shut holes. Nov 25, 2019 · Have a 2007 E220CDI - gone into limp mode. the vehicle is a 2005 W203 c220 cdi, originally the engine manageent light and and the was on limp mode, I replaced the egr and the light switched off, now it' still on limp mode but does Some time get it' power back then just goes back to limp mode. I've had this issue on a couple of EGR valves lately where even after what I thought was meticulous cleaning, the valve was still sticking. The Exhaust Gas Recirculation (EGR) system in the OM642 engine is responsible for reducing emissions. On a road test the fault occurred, the voltage dropped below 0. All diagnostic help is deeply appreciated! At this time the only fault code left is "P2025-08 -Check component M16/5 (Throttle valve actuator). This MB 3. Lack of power and P0299 fault code. Jul 4, 2021 · Hi folks, I have a 2012 ML350 W166 with the OM642 diesel engine. These two also show up sometimes and seem to come and go----- Nov 11, 2021 · Seen mention recently that the back of the EGR can be removed to check/clean the mechanical inside workings of an egr . I have installed a catch can for the crankcase breather / swirl motor issue. Jun 7, 2017 · I'm currently running the CB engineering DPF delete pipe and EGR delete kit with a Stage 2 tune from ecuprogram that turns off the EGR and DPF. Fuel injectors in the OM642 engine can become clogged or fail, leading to:-Poor Fuel Atomization: This can cause rough idling and decreased power. Vehicles which have no EGR Valve warranty coverage will be conside-red customer pay. l, but I’m back to the original 2511 EGR positioner fault code. If you want the EGR to remain closed (assuming the valve has not mechanically tuck in a part open or fully open position), its best to just unplug the EGR actuator and fit a 4. The EGR valve, GUNK degreaser and a small nylon bristle brush a{a car detailing brush] I did not use a metal bristle brush as it would scratch the aluminum surface of the EGR. P1234). It seems like I am going to have to clean or replace some EGR system components, but I am not sure exactly how to continue troubleshooting. For example, you can delete and block the EGR, but the EKAS system and the throttle valve/body will function without the EGR. Also put the little swirl flap resister in Remove swirl flap Mar 29, 2019 · The vacuum pipes have been changed and both pressure converters are new. Remove the EGR positioner from the vehicle. I have tested the egr valve with a vacuum pump and opens fine, however the valve is slightly sticky when releasing vacuum. Block everything from the bottom and block the boost from the front and that will solve your problem. The rpms are continuously jumping between ~550 and ~650. In my case as stated earlier in the thread was a loose pipe connection after the air mass sensor. Does it mean the egr is knackered or needs a clean? Thanks . I haven’t found any cat less pipes on the web . k ohm resistor into the middle two terminals of the power supply to the inlet port motor (swirl flaps) . This motor has four winding phases. Joined Feb 18, 2020 Messages 1 Location Apr 9, 2010 · E320 Cdi OM642 V6 EGR Delete Thread starter tcb180 Start date May 11, 2019; May 11, 2019 W211 E320 CDI fault code G3/02 Sheldon; Mar 17, 2025; Engine; Replies 5 Jun 19, 2019 · Im using Xtool D7 software. Faults on one cam in my limited understanding sometimes show up as another ? Check this fuse and carry a spare in the glovebox ? Most om642 have probably experienced this bucking . 2007– 2008 Jeep OM642 Diagnostics PDF: 2007 – 2008 Jeep OM642 Diagnostics. - I have attached a few screen shots from xentry . 2007– 2008 Jeep OM642 Diagnostics In order to do proper diagnostics you will need a scan tool and some special tools available from Mopar Special Tools https://moparessentialtools. Oct 11, 2022 · OM642 Actuator/EGR/Back Pressure Sensor/Bunny hopping blah blah blah E350 CDI OM642. Feb 21, 2022 · Can anybody tell me where my MAF sensor is on my OM642 Engine ? I think mine needs to be replaced but can't see to find it. Nov 11, 2021 · OM642 EGR clean. Applications: Mercedes E-Class W211 - OM642. net. expert can help. Just when EGR on/off ratio on test was 95% , the limit value of air mass in percent should be between 60% and 80%, but it was 83% . May 14, 2023 · (2017 and newer). 3 Jun 14, 2020 · Depending on the engine and driving conditions, the ECÎœ will control the EGR Solenoid which will operate the EGR Vacuum Îœodulator to regulate the opening and closing of the EGR Valve. Would like to get help in troubleshooting a 2017 with a OM642, 158k miles. Note that this code does not apply to applications that use VVT (Variable Valve Timing) or P2032 transmission control 1 EGS fault 8: P2032-001 EGR,very slight leak [P0456] P2032-002 EGR,slight leak [P0442] P2032-004 EGR,severe leak [P0455] Aug 16, 2020 · After a few seconds of that shenanigans, the ECM reduced the power and on came the light --turbo boost module fault. Jul 12, 2011 · My W211 with the OM642 has been a little out of sorts recently. Thanks, Brian Dec 29, 2011 · If you block off EGR, you will also affect DPF regeneration, so keep that in mind. In between this mileage I’ve replace the EGR Nov 23, 2018 · This time I do come out short in finding information about the "Throttle valve actuator" (and also EGR for that matter) for my V8 diesel -2001 S400CDI. Select either of these. 0 exhaust Oct 15, 2014 · oil from turbo on the om642 will leak onto the actuator possibly shorting the fuse . It would only enter limp mode about 15% of Jan 17, 2022 · The whole intake manifold is cooled and the EGR is cooled. The Euro system monitored physical EGR valve lift. I already replaced the two Nov 9, 2022 · Okay so some more mixed driving with the diagnostic plugged in whilst driving and noticed a few things. Jun 2, 2012 · Although this interaction doesn't seem important for swirl flap operation, this may not be the situation for EGR, in which case Ray may be right in his assumption regarding the need for re-mapping the ECU. Now I have a Jeep grand Cherokee 3. 0L diesel unit was offered as an engine option for many cars and vans produced by Mercedes-Benz as well as under the Dodge, Jeep, Chrysler, and Freightliner brand. Nov 11, 2021 · There are different versions of the egr for the different om642 versions then. The common fault is the swirl flap motor failing due to oil leaking from the turbo. Plugged in OBD and P0404 & P0401 keeps coming up after clearing. I ohmed out all the wires to the computer and found a bad wire at the EGR plug. b. I have 2 OM642 (W211 and X164). Sep 17, 2014 · By the way, its a very difficult job to remove and blank an EGR on the 300C. If the valve is stuck or faulty, it may need to be replaced. There's a mod to remove this. The om642 in my 06 Jeep just uses the large o ring only to seal it as per the valve in the eBay link below EGR Valve Fits CHRYSLER 300 C JEEP Commander MERCEDES S204 05-15 6421400160 | eBay Oct 31, 2012 · fault y27/9 left egr positioner fault and also check system exhaust control air mass to large. I have be able to clear and it would not come back for week or so, than again. I strongly suggest you check all the pipes going in and out to the egr valve for cracks and blockage from carbon deposits. Items 6 & 7 are 'Check boost' and 'Limitation of engine'. Gasket must be replaced as part of removal/installation procedure. After fixing the wire I got even more codes. I am unsure of the location of the EGR pipe in the front or the throttle flap. com . Turbo actuator fault 4. this fuse runs the intake port ,egr, boost pressure position. From the cabin It sounds like the turbo starts to spool up Oct 27, 2005 · I'm having the above fault code coming up. Jun 27, 2020 · OM642 EGR clean Thread starter W1ghty; Start date Nov 11, 2021; Nov 11, 2021 EGR fault OM651 GLE 250 2015 mattybb; Sep 7, 2024; Engine; Replies 0 Views 359. Ensure that all connections are secure and there are no leaks. JPG Bottom view of cleaned EGR Valve looking at blades. JRF1959 New Member. It is a generic code and can mean different things on different engine control modules. The engine has excellent idling, start quickly and no smoke at tail pipe but unable to rev over 3000 rpm. pdf List of EGR Valve Electrical Fault Codes. It's code P245B (EGR cooler bypass control circuit range/performance). I have a thread going concerning problems with my '08 e320 om642 and would like your thoughts. Today we're looking at a OM642 Mercedes 3. it wont be stuck on 5% its just a number it seems to come up with when code is thrown, my Jeep with om642 would do it and egr was closed tight. I'm having issues with my EGR showing code p0404, and some believe the MAF sensor is making it do this ? I have replaced the EGR valve and its still the same. DPF has been removed and fully cleaned, EGR has been cleaned Oct 15, 2015 · In the CDI engine was this fault: P2510-001 - Boost Pressure Regulator (Y77/1) Positioner Signal Fault I've replaced to genuine one the HFM (AirMassMeater), EGR valve, turbo actuator, check turbo for damage (VNT, and rotor - all OK), check air intake for leaks including intercooler (ok). The most common failure mode is failing closed when the vacuum diaphragm gets broken. Edit: I'm a dummy. I tried with the usual softwares but they dont work so need manual solution. Even though I remove mine yearly to spray the gunk off I had never taken it apart before so blaming the sunshine I cracked on with the attempt . 4. EGR system fault. The OM642 V6 CDI/BlueTEC engine replaced the previous five- and six-cylinder OM647 and OM648 inline engines. Mar 16, 2021 · OM642 fault. Everything is fine until I leave the car for 2-3 days without starting the engine. The only real reason these have a maf is for egr fault checking and subsequent limp home . Symptoms of EGR issues include rough idling, decreased fuel efficiency, and an increase in engine noise. Feb 17, 2020 · EGR 90 degree connector, 4 bolts, 2 pointing down, 2 pointing back into the EGR housing. Apr 28, 2022 #2 Get the van tuned to bypass the EGR fault codes. EDIT Feb 19, 2022 · fuse F44 covers the actuator, inlet port motor , exhaust back pressure sensor and egr . Egr replaced with other used one and still same symptoms/behaviour. Oct 30, 2023 · There are some metal EGR pipes on the front of the engine that clog with soot and that can cause this kind of limp mode/fault code. This can be done without taking Mar 28, 2019 · Although, the egr valve was clean, I did clean it and superficially cleaned the mixing chamber with brush. Jul 12, 2011 · There are very few things I bother to repair / replace myself on our cars now (the MX5 being the exception as it is easy to lift and work on as access is good to most parts) but at 125,000 miles I suspect the EGR valve on the W211 will have a fair amount of crud inside it which can only hamper it's design function. Check the intercooler hoses , most likely they have a split in them or are loose , check the pcv valve is also connected up properly to the air intake. Thanks May 8, 2020 · The throttle valve/body is not part of the exhaust re-circulation system. Mar 31, 2020 #2 J. Two bolts to remove the EGR , mine came out easily . The rough idle I believe is related to the intake flaps or Fault Code P30034: The flow rate of the OM642 EGR position sensor is too high. A new valve is about $350 while a MB dealer replacement goes to about $750. This generic trouble code comes from the powertrain control module ( PCM ) and indicates that the Exhaust Gas Recirculation (EGR) valve is not functioning correctly. C220cdi manual estate 2004 - keeps going into limp mode with no lights coming up on dash. That list is pretty exhaustive and an indication that all of those parts fail often. After fixing these, the warning lights should turn off. 1L. On the other hand, the ECU doesn't think the fault code is worth triggering limp mode, so maybe just reporting for information. 920 OM642. 0L. The transmission jerks when going into gear. Also It always showed after start up car, most time warm car but not Mar 3, 2024 · I appreciate the information and guidance. My question is, can you purchase/replace the actuators or are we looking at a new turbo? If anyone has been down this route, any pointers would be appreciated thanks Paul Sep 30, 2023 · When this fault appeared, xentry suggested to do EGR test and on EGR on/off ratio 6% 25% 50% and again 6% results of Air mass (in percent) was right in middle of lower and upper limit value . The EGR is a refurbished Wahler part. Fault code P0471. Check of the relevant seals and boots on the clean air line (in the direction of the air filter box and turbocharger). Sep 7, 2017 · EGR Valve; EGR Cooler; EGR hardware @ the front of the engine. Pulling the codes shows a P0404: EGR Position Sensor Performance. Yes, the motor can be left in place and connected to the loom, and if working there will be no fault code. Reading thru what the USA guys are saying is: 1/ The problems can be caused by babying the WH diesel diesels like being Mar 17, 2024 · If it has an egr delete it will have been done by mapping it out inside the ecu, this is the only way to delete egr on the om642 engine The egr normally will not need blanking off when this is done. The engine would run fine with it stuck in the open position. Jun 4, 2023 · The fault code p0403 is an egr code. Efficiency loss due to EGR problems can be mitigated through proper maintenance strategies. 20-N-073867 Version 4 Function group 14. May 8, 2013 · OM642 W211 EGR. The valve is May 21, 2024 · – Inspect the EGR valve and its circuitry – Check for any mechanical blockages or defects in the EGR valve – Perform a vacuum test on the EGR valve. My advice to you is, put the cross over pipe back and EGR back, and the EBP sensor back where they were designed to be, and allow the exhaust pressure to come to the EGR and EPB sensor. When I got home, I’m not currently throwing the 2011 or EGR control code. Mine on my 08 ML320 were so bad chemicals wouldn't touch it and had to be taken off and a pressure washer used to clean them out. Stephen_ Member. Nov 4, 2023 · EGR valve EGR cooler Oil cooler Oil cooler seals Timing chain Timing chain tensioner Turbo Turbo actuator Black death Is it any wonder why the 642 guys aren't on forums? Take a good look at the AEM warranty extension, see what they cover. Dec 4, 2021 · Hello, maybe somebody can help me i have MB w221 s350d 2013 , i few weeks before showed me "ENGINE LIGHT) i checked with DAS cuz i get messege 149800 Component Y27/9 ( Left EGR positioner ) has an internal fault + 155D00 Exhaust gas recurculation positioner - Temporaly fault so decide in first place to clean , it was working but temporarily, sometimes working sometimes not ! Jul 12, 2022 · Have not gotten much help on other forums and decided to post here. We show you our diagnostic process and ge Dec 3, 2012 · So I desided to check the fuses and found that fuse no43 is blewn - 15A. 2 volts. Exhaust manifold connectors, 1 on each side, 3 bolts each (this is one of the bolts that snapped) Two bolts holding a bracket to the top of the intake manifolds, hidden below and behind the turbo. So that leaves me with no choice but to gut the cats. Jan 10, 2014 · Yeah, thought so. The turbocharger in the OM642 engine is crucial for delivering power and efficiency. I don't think that would be the cause of your problems, since if it did fail, it has a spring that would cause it to fail in the open position. Note, with the EGR valve closed the voltage is ≈0. What I have done: I have checked all inlet hoses, intercooler, manifold and all seem fine. I had one exhaust leak fixed, but can still smell some fumes, so might be another leak which can cause P0101. On asssembly, now I get the above code 2355-2 with engine check light and the idle is stable and there's no 'huffing' sound. Then after starting it, the idle is very bad for around a minute. So if you get this engine code, check your MAF, because it could be the culprit. P159300 | There is an internal fault in component 'B60/4 (Exhaust back pressure sensor)'. It’s important to check and possibly clean or replace the EGR valve, and also check the positioner’s electrical connections. Mar 20, 2025 · 3. The EGR system on recently built vehicles uses a step motor to control the flow rate of EGR from exhaust manifold. Scroll down to see this if it isn't on the first screen display. The Exhaust Gas Recirculation (EGR) system in a Mercedes-Benz Sprinter, especially those equipped with the OM642 and other CDI engines, plays a crucial role in reducing emissions by recirculating a portion of the engine’s exhaust gases back into the intake manifold. Your intake is probably nothing but sludge. Positioner signals fault (message through ground Dec 25, 2023 · Clean or Replace the EGR Positioner: If the EGR positioner is clogged or malfunctioning, it may need to be cleaned or replaced. An internally deformed corrugated pipe in the exhaust gas recirculation (EGR) system. Apr 22, 2009 · EGR Removal: 1) Remove the engine cover and remove the engine cover rail (two 10mm bolts) this allows you to reach your hand and tools in from the other side of the EGR valve. I used GUNK degreaser{ GUNK Engine Cleaner & Degreaser with Trigger Spray] and a heated ultrasonic cleaner for the tube. like temperature . Jul 27, 2011 · It satisfies EGR monitoring function over various driving conditions, and also prevents EGR valve open circuit/short circuit etc fault codes. mp4 OM642 EGR Valve Cleaning Instructional Video using TUNAP 926. The engine was first deployed in the Mercedes C-Class W203, and later in almost all other Daimler models in the higher price ranges, in some transporters, as well as in models from the brands Chrysler and Jeep. 01. Put a 4. May 4, 2021 · Anybody have suggestions why making this error code ? Is it because the engine has 0. Manifolds clog with EGR deposits. Next stage requires free flow exhaust. Is it possible to bypass the EGR system or sensor temporarily. My 2008 E320 with om642 engine had the dpf removed and sent out for cleaning at 255k miles and on the road to my current mileage 267k miles I’ve been fighting intermittent dpf codes. The EGR deleted mod work. | CR60NFZ047162, P159400 | There is an internal fault in component 'B60/4 (Exhaust back pressure sensor)' | CR60NFZ Mar 27, 2010 · On the w220 star activates the egr valve and shows airmass readings. You will typically need to remove retaining bolts or nuts with your socket set. Repair Strategies: – Clean or replace the EGR valve as needed – Repair or replace any faulty wiring or connectors – Check and correct any issues with the EGR valve control solenoid Oct 18, 2010 · It seems to me that only the american market cars go into fault if you disable EGR via vacuum hose disconnection. First of when the 2511-1 code is logged, the EGR positioner value stays 5% then when erasing the code whilst driving it goes to 95% but will go back to 5% when the 2511-1 code is logged again. Joined May 8, 2013 Messages 14 We are merely commenting on the EGR fault, at Jul 29, 2023 · These two are persistent and returned after I cleared DTCs after cleaning the EGR-----2511-001 Y27/11 (Exhaust gas recirculation positioner) - Positioner signals fault. I checked the code and it came back as P1402 - possible EGR valve issue. 0cdi engine. If you don’t have service information you can buy a subscription online at alldatadiy. However, it can become clogged or malfunction, leading to: Increased emissions; Rough idling; Check engine light activation EGR Valve has excessive soot buildup causing sticking and/or poor exhaust gas flow. - 2385 - EGR valve regulation, to much air, intermit. Also, the EGR tube that connects to the turbo exhaust manifold is difficult to reach. About six months ago car started entering limp mode again but with no kangarooing at all. For mine i used autoglym engine degreaser and sprayed loads in and moved the valve up and down as there was crud inside the valve stem hole, it took a few back Jan 24, 2019 · Curious if you had fault codes for the DPF or if you did it as a preventative measure. I have managed to get the EGR replaced as this was showing Position errors as well as other codes. i found the an abnormal actual value in menu "quantity correction values of smooth running control" May 12, 2024 · Step 4: Test the EGR Valve. I’m hoping somebody here has cleaned an EGR on the 2. Mar 3, 2014 · OBD II Fault Codes Reference Guide The Diagnostic Trouble Code numbering follows a standardized structure. 0l OM642 has developed an issue with oscillating engine parameters when under load (the oscillation shows up in multiple parameters- boost, engine load, MAF, EGR etc. The Exhaust Gas Recirculation (EGR) system is designed to reduce emissions but can become clogged with carbon deposits over time. Download Link Sent to your PayPal email address Guide on removing, replacing, and testing the EGR valve of Mercedes ML350 Bluetec. Step 5: Reinstall or Replace the EGR Valve. Cause: 1. com Eugene, OR 97402 EGR system fault. Sep 21, 2023 · (09-21-2023, 01:33 PM) bendeguztanczos Wrote: Hi all! Someone can make me an egr off for this ecu? I only have a 14cf00 fault code. A fault in one can be hard to pin down. I believe at idle with the egr open the airmass should drop by about a half. Ran a dynamic test on the EGR valve which can back as Jan 7, 2023 · The P0404 diagnostic trouble code means that the Exhaust Gas Recirculation Circuit Range/Performance fault has occurred. Will not work on Sprinter OM642 due to different EGR system. 2510-001 Y77/1 (Boost pressure regulator) - Positioner signals fault. Download: Mercedes OM642 Multi Engine Service Manual. OM642 EGR Valve Cleaning Instructional Video using TUNAP 926®. Jun 6, 2024 · EGR Valve Diagnosis and Cleaning Procedure using TUNAP 926® on 906, 907 Sprinter with OM642 Diesel Engine Topic number LI14. 2007–2009 Dodge –Mercedes - Freightliner Sprinter OM642 https://oregonfuelinjection. A read out of the snap shot data shows EGR control at max (95%), and MAF sensor air flow still too high. OM642 After Cleaning 1. I Feb 19, 2024 · Scan for any EGR system fault codes using a diagnostic tool and address the underlying issues. EGR System Issues. However, as is often the case, the motor may have heavily worn gears, and frequently Apr 28, 2022 · 2012 3500, OM642, NCV3, Boxster1971 2023 Sprinter 2500 144wb AWD. thanks in advance. One visible and one on the other side that is not visible. Vehicle struggles to start, wouldn't rev up. EGR – Commanded (%) As the fault related to the EGR Position sensor, an alarm was armed for the EGR Valve Position Sensor data parameter. Oct 19, 2016 · Pull the egr valve and give it a good clean if you havent already, you can take the cover off as in my thread, give that a clean and move the valve down and spray an egr cleaner onto it. . But if I accelerate slowly to 90km/h, I can drive for about 20km and only then the fault turns on. I found shop to pipe the scr and dpf but none will touch the front cats. To avoid recalling newer models, MB is trying to solve clogged EGR coolers with software updates and delete the fault codes for You must get the EGR and air intake cleaned up so the exhaust temperatures return to normal. The minimum value was set at 0. Everything works perfect. Jeep Mercedes 2007-2009 OM642 Full EGR delete kit. 7K resistor to fool the system into thinking the valve is still doing its job. dont have a decent indy around here and Alex Crow is 200 miles away. Dec 12, 2020 · Sherif, EGR codes don't necessarily indicate EGR valve needs replacement (or cleaning). air mass This car no fault code in CDI module. It is a system on its own with multi purposes/functions. It, unfortunately, can be many things and you would have better luck if you can pull the Mercedes diagnostic codes as opposed to the generic OBDii codes. 7k resistor to swirl flaps on my om642, it would go in limp on every idle generating 2355-1 insufficient egr flow, So in response unplug egr plug (3 wire) 1/2 watt 2. 2 ohm resistor plugs in pin 1 and 2 and wholaa, Oct 29, 2020 · Om642 3. swfylqkouekgginynisskjowiqfxmhrqdolsvuzteaxirbmleook