Om642 egr fault.

Om642 egr fault An internally deformed corrugated pipe in the exhaust gas recirculation (EGR) system. b. Check Engine Light and Limp Home. like temperature . 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. Mar 15, 2019 · Just threw code P245A EGR. The USA system looked for a change in intake flow. 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. 2007–2009 Dodge –Mercedes - Freightliner Sprinter OM642 https://oregonfuelinjection. Feb 17, 2020 · EGR 90 degree connector, 4 bolts, 2 pointing down, 2 pointing back into the EGR housing. 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. Sep 17, 2014 · By the way, its a very difficult job to remove and blank an EGR on the 300C. Jeep Mercedes 2007-2009 OM642 Full EGR delete kit. Mercedes M class CDI. I have be able to clear and it would not come back for week or so, than again. The same process as 280cdi, 320cdi and 350cdi. Egr replaced with other used one and still same symptoms/behaviour. 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. Feb 10, 2025 · -Sensor Failures: Malfunctioning EGR sensors can trigger warning lights and affect engine efficiency. This kit removes the entire EGR system from the OM642 Jeep Mercedes motors that do not have the later Urea Injection System. 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. 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. 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. Two bolts to remove the EGR , mine came out easily . 9 volts. 5 piston that it can’t figure it out. 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. The EGR deleted mod work. OM642 EGR Valve Cleaning Instructional Video using TUNAP 926®. No other fault code appearing. Search function in WIS , But it was insufficient! EGR function working detail condition was not found. 7K resistor to fool the system into thinking the valve is still doing its job. TUNAP 926® MSDS. The Exhaust Gas Recirculation (EGR) system is designed to reduce emissions but can become clogged with carbon deposits over time. Manifolds clog with EGR deposits. Next stage requires free flow exhaust. 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. Fault code is Y27/9 Left EGR positioner internal fault. I ohmed out all the wires to the computer and found a bad wire at the EGR plug. 0L. This kit removes the EGR valve and EGR cooler systems. 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. The minimum value was set at 0. Apr 22, 2016 · Positioner signals fault. 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. Usually it tops out around 2300 when in limp mode. Also It always showed after start up car, most time warm car but not Mar 3, 2024 · I appreciate the information and guidance. l, but I’m back to the original 2511 EGR positioner fault code. PDF TUNAP 926 MSDS. 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. Symptoms of EGR issues include rough idling, decreased fuel efficiency, and an increase in engine noise. Items 6 & 7 are 'Check boost' and 'Limitation of engine'. That list is pretty exhaustive and an indication that all of those parts fail often. The engine light typically shows up during long trips where the engine is at a constantly high temperature. C220cdi manual estate 2004 - keeps going into limp mode with no lights coming up on dash. c. EGR System Problems. 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 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. It would only enter limp mode about 15% of Jan 17, 2022 · The whole intake manifold is cooled and the EGR is cooled. When I got home, I’m not currently throwing the 2011 or EGR control code. Mar 3, 2014 · OBD II Fault Codes Reference Guide The Diagnostic Trouble Code numbering follows a standardized structure. If you don’t have service information you can buy a subscription online at alldatadiy. EGR issues can lead to increased emissions and reduced fuel economy. May 6, 2023 · When attempting to restart the motor it sputtered and died. 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. The EGR system on recently built vehicles uses a step motor to control the flow rate of EGR from exhaust manifold. Nov 18, 2023 · Have big trouble with w211 om642 Car start showing up 2511 fault code for fault in EGR mehanism. Put a 4. 2024 01:34 CCUSHWA Easy and fast fix for Egr sistem on mercedes diesel. Mar 15, 2021 · Hi, anybody encounter this problem? fault code 14A600 - positive control deviation of exhaust gas recirculation control is too high. It's in limp mode but starts perfect and runs fine although smells a little rich on start up. 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. 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). Check of the EGR inlet point/ EGR pipe for carbonization. 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. com Eugene, OR 97402 EGR system fault. With the easy instructions that DM wrote me, I was able to put the Mod in place without bother. 01. Thread starter Wighty I also have parts and garage cover and have the fault codes for the stuck egr. P1234). We diagnose this Mercedes-Benz ML for running issues. So if you get this engine code, check your MAF, because it could be the culprit. The most common cause for this fault code to come up is a faulty EGR actuator position sensor. 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 . Also, the EGR tube that connects to the turbo exhaust manifold is difficult to reach. 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. Use the EGR valve cleaning kit to clear out any carbon deposits. It can still be done, the UK forum has been working on cdi3 deletes for a while now. 07. 3. This generic trouble code comes from the powertrain control module ( PCM ) and indicates that the Exhaust Gas Recirculation (EGR) valve is not functioning correctly. 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 vaccum as been disconnected and I went for a ride on highways, city, country roads and no bother at all, no limping mode. Remove the EGR positioner from the vehicle. Thread starter Stephen_ Start date May 8, 2013; S. 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. 2007– 2008 Jeep OM642 Diagnostics PDF: 2007 – 2008 Jeep OM642 Diagnostics. Part Number: OE A6421400860 — Apr 19, 2023 · W164 OM642 suspected turbo actuator fault Jump to Latest 2. Mar 3, 2020 · Fault showing on diagnostics: P010106 Mass Air Flow sensor Algorithm Fault. 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. 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. A deformed EGR corrugated tube internally. 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 . I strongly suggest you check all the pipes going in and out to the egr valve for cracks and blockage from carbon deposits. 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. 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. Block everything from the bottom and block the boost from the front and that will solve your problem. You will typically need to remove retaining bolts or nuts with your socket set. 1L. 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. 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. Maybe op is already in limp mode due to something else preexisting, so thinks its normal for his van to be a gutless pos. Symptoms: None really. 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. Sep 7 I got a x166 complain with CDI om642 engine vibration. ' 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. have tried new egr but no luck. Oct 11, 2022 · OM642 Actuator/EGR/Back Pressure Sensor/Bunny hopping blah blah blah E350 CDI OM642. 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. Your 2017 OM642 has the same basic emissions problems as the AEM models. I have been experiencing some EGR issues recently, with the engine light popping up at coolant temps around 80 degrees. OM642 After Cleaning 1. Oct 23, 2021 · Remove plastic cover from front of egr and you can operate it by pushing down on the arm. Furthermore, at the time I should have checked the egr pipe to the cooler for blockage . - 2385 - EGR valve regulation, to much air, intermit. Mar 31, 2020 #2 J. All OM606 turbos had monitored EGR systems. After fixing these, the warning lights should turn off. 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. Download: Mercedes OM642 Multi Engine Service Manual. 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. The sticking or binding of these flaps then binds the motor which causes the check engine light and or a sever loss of acceleration. 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. Applications: Mercedes E-Class W211 - OM642. Mar 16, 2021 · OM642 fault. Lack of power and P0299 fault code. Edit: I'm a dummy. A fault in one can be hard to pin down. Dec 12, 2020 · Sherif, EGR codes don't necessarily indicate EGR valve needs replacement (or cleaning). The most common failure mode is failing closed when the vacuum diaphragm gets broken. . 2 ohm resistor plugs in pin 1 and 2 and wholaa, Oct 29, 2020 · Om642 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. May 14, 2023 · Hi all. 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). g. So that leaves me with no choice but to gut the cats. Cause: 1. Your intake is probably nothing but sludge. I have a thread going concerning problems with my '08 e320 om642 and would like your thoughts. Download Link Sent to your PayPal email address Guide on removing, replacing, and testing the EGR valve of Mercedes ML350 Bluetec. 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. I’m hoping somebody here has cleaned an EGR on the 2. 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. 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'. 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. 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. I had one exhaust leak fixed, but can still smell some fumes, so might be another leak which can cause P0101. There's a mod to remove this. Jul 27, 2011 · It satisfies EGR monitoring function over various driving conditions, and also prevents EGR valve open circuit/short circuit etc fault codes. Nov 11, 2021 · There are different versions of the egr for the different om642 versions then. A lack of power when cold. Jan 10, 2014 · Yeah, thought so. I have 2 OM642 (W211 and X164). Vehicle struggles to start, wouldn't rev up. This motor has four winding phases. If the valve is stuck or faulty, it may need to be replaced. Yes, the motor can be left in place and connected to the loom, and if working there will be no fault code. I took the valve apart and I cleaned it. 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. The OM642 was produced in DE30LA, DE30LA red, and LSDE30LA Jan 6, 2023 · Code P0544 does not stand for the EGR cooler temperature sensor. It works in conjunction with the EGR, but it is not part of the re-circulation system. Usually this will set a code. On a road test the fault occurred, the voltage dropped below 0. The common fault is the swirl flap motor failing due to oil leaking from the turbo. Piezo High-Pressure Common Rail Basic Information Aug 29, 2024 · My 2016 NCV3 3. Jun 4, 2023 · The fault code p0403 is an egr code. It's code P245B (EGR cooler bypass control circuit range/performance). P159300 | There is an internal fault in component 'B60/4 (Exhaust back pressure sensor)'. Check of the relevant seals and boots on the clean air line (in the direction of the air filter box and turbocharger). I completely stripped and cleaned the mixing chamber, throttle and the intake port. 0 exhaust Oct 15, 2014 · oil from turbo on the om642 will leak onto the actuator possibly shorting the fuse . Mar 19, 2008 · An EGR valve can fail in two ways: open or closed. From the cabin It sounds like the turbo starts to spool up Oct 27, 2005 · I'm having the above fault code coming up. A UK based Chrysler 300 forum has the answer. 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. 921 Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 Download: 36. Is it possible to bypass the EGR system or sensor temporarily. It is a generic code and can mean different things on different engine control modules. 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. All is good. 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. Select either of these. Stephen_ Member. 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. About six months ago car started entering limp mode again but with no kangarooing at all. I checked the code and it came back as P1402 - possible EGR valve issue. Nov 11, 2021 · OM642 EGR clean. Please like & subscribe my channel. Ensure that all connections are secure and there are no leaks. 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. ) . 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 %. I also ran resistance test on all wires from the EGR plug to the CDI and all of them checked out except one. Apr 28, 2022 #2 Get the van tuned to bypass the EGR fault codes. pdf List of EGR Valve Electrical Fault Codes. 2) There are two 6-point bolts holding the EGR valve in the housing. Prior to repair there was a lot of kangarooing and limp mode. 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. I have been reading up on known issues and faults so I can better understand my vehicle and prevent/prepare. 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. When this happens, there are usually no adverse symptoms, only the engine can ping if it ran on regular gas. 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. 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. Today we're looking at a OM642 Mercedes 3. 0 full deleted back pressure exhaust sensor test! We'll also be showing you how to remove your Mercedes 3. | 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. Mar 20, 2025 · 3. 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. Feb 17, 2025 · Neglecting EGR problems can lead to more significant engine issues, including increased emissions and potential engine damage. The egr is operating as it should, and so is the actuator. 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. May 4, 2021 · Anybody have suggestions why making this error code ? Is it because the engine has 0. Turbo actuator fault 4. Jan 2, 2016 · Read Fault Memory Clear Fault Memory Actual Values When I select Actual Values I see about a dozen items. 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. 0cdi engine. 04. I am unsure of the location of the EGR pipe in the front or the throttle flap. Turbocharger Problems. k ohm resistor into the middle two terminals of the power supply to the inlet port motor (swirl flaps) . Thread starter bembo449; Start date Mar 16, 2021; bembo449 Senior Member. Everything is fine until I leave the car for 2-3 days without starting the engine. The OM642 V6 CDI/BlueTEC engine replaced the previous five- and six-cylinder OM647 and OM648 inline engines. 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. This MB 3. im sure its something to do with that acuator but if some one could shed some light i wud be most grateful. mp4 OM642 EGR Valve Cleaning Instructional Video using TUNAP 926. 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. Sep 7, 2017 · EGR Valve; EGR Cooler; EGR hardware @ the front of the engine. 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. 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. The turbocharger in the OM642 engine is crucial for delivering power and efficiency. If you just remove the hose it will soon drop into limp more. EDIT Feb 19, 2022 · fuse F44 covers the actuator, inlet port motor , exhaust back pressure sensor and egr . 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. One visible and one on the other side that is not visible. dont have a decent indy around here and Alex Crow is 200 miles away. All Diagnostic Trouble Codes have a letter followed by a 4-digit number (e. Jul 4, 2021 · Hi folks, I have a 2012 ML350 W166 with the OM642 diesel engine. 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. This sensor is part of the actuator itself and the entire actuator has to be replaced as a complete assembly to resolve this issue. The rpms are continuously jumping between ~550 and ~650. 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. Any other help or suggestions welcome. 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. On my engine it passed the test suggesting the problem was not the egr valve. Fault code P0471. 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. On the other hand, the ECU doesn't think the fault code is worth triggering limp mode, so maybe just reporting for information. l will be checking that before spending cash. Jun 6, 2024 · EGR Valve Diagnosis and Cleaning Procedure using TUNAP 926® on 906, 907 Sprinter with OM642 Diesel Engine Topic number LI14. The Euro system monitored physical EGR valve lift. Then after starting it, the idle is very bad for around a minute. Pinched or dislodged seals or boots on the clean air line (in direction of air filter box and turbocharger). Carbonization of the EGR inlet point/ EGR pipe. 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. (See Service Bulletin, LI14. a. The transmission jerks when going into gear. I tried with the usual softwares but they dont work so need manual solution. 3 volts and the maximum value set at 4. EGR system fault. I used GUNK degreaser{ GUNK Engine Cleaner & Degreaser with Trigger Spray] and a heated ultrasonic cleaner for the tube. 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. air mass This car no fault code in CDI module. Jul 12, 2011 · My W211 with the OM642 has been a little out of sorts recently. I Feb 19, 2024 · Scan for any EGR system fault codes using a diagnostic tool and address the underlying issues. 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 . what I have done in the few weeks of ownership are the following: 1) EGR Delete with Stage 1 software upgrade. Oct 21, 2010 · Moral of the story: code "P0402- EGR Excessive Flow" is bogus. What I have done: I have checked all inlet hoses, intercooler, manifold and all seem fine. Reinstall the cleaned EGR valve or replace it with a new one if necessary. 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. com . Note: The fault code (FC) 14A600, 14A700 or 14B100 is stored in the engine control unit. I haven’t found any cat less pipes on the web . I believe at idle with the egr open the airmass should drop by about a half. I found shop to pipe the scr and dpf but none will touch the front cats. 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. 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. Now I have a Jeep grand Cherokee 3. It is a system on its own with multi purposes/functions. May 8, 2013 · OM642 W211 EGR. If the EGR Valve has been diagnosed as having an electrical fault, the EGR Valve must be replaced. Scroll down to see this if it isn't on the first screen display. Take off the throttle flap and pipes and give them a good clean. 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. 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. JRF1959 New Member. 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. May 14, 2023 · (2017 and newer). this fuse runs the intake port ,egr, boost pressure position. 5ft section of the DPF pipe; SUPER cleaned intake manifolds; Remove swirl flap valves entirely and welded shut holes. Gasket must be replaced as part of removal/installation procedure. 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. Vehicles which have no EGR Valve warranty coverage will be conside-red customer pay. Feb 19, 2025 · 3. 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. EGR System Issues. 95. On either of these the 'B19/11 Temp sensor upstream of turbocharger' is the value you want. 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% . 20-N-073867 Version 4 Function group 14. 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. Pulling the codes shows a P0404: EGR Position Sensor Performance. Regularly servicing the EGR system, including cleaning or replacing components as needed, can help optimize performance and prevent further issues. net. Fuel Injector Problems. 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. 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. 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. After fixing the wire I got even more codes. expert can help. Efficiency loss due to EGR problems can be mitigated through proper maintenance strategies. Jul 26, 2022 · The EGR also looked like it had already been replaced. 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. Step 5: Reinstall or Replace the EGR Valve. Plugged in OBD and P0404 & P0401 keeps coming up after clearing. 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. The engine has excellent idling, start quickly and no smoke at tail pipe but unable to rev over 3000 rpm. 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. thanks in advance. 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. 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. Would like to get help in troubleshooting a 2017 with a OM642, 158k miles. 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. 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. But if I accelerate slowly to 90km/h, I can drive for about 20km and only then the fault turns on. Cause: Remedy: 1. EGR – Commanded (%) As the fault related to the EGR Position sensor, an alarm was armed for the EGR Valve Position Sensor data parameter. 2510-001 Y77/1 (Boost pressure regulator) - Positioner signals fault. For example, you can delete and block the EGR, but the EKAS system and the throttle valve/body will function without the EGR. To recap, having a DPF efficiency fault. 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. Jun 20, 2020 · After fitting 4. Does it mean the egr is knackered or needs a clean? Thanks . I have managed to get the EGR replaced as this was showing Position errors as well as other codes. All I can find after hours of looking is resources for cleaning the 3. The second part of your reply is beyond my current knowledge. - I have attached a few screen shots from xentry . - 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). 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. Anyone done that on these Jan 4, 2014 · - 2598 - EGR position left, wrong signal, intermit. I have installed a catch can for the crankcase breather / swirl motor issue. pdf document, Applications: See Image > USD $19. 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. 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. Jul 19, 2012 · 2. 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. Note, with the EGR valve closed the voltage is ≈0. I have tested the egr valve with a vacuum pump and opens fine, however the valve is slightly sticky when releasing vacuum. The EGR is a refurbished Wahler part. For the jerk in the transition maybe user gearbox. 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. Inlet port motor is also good. A new valve is about $350 while a MB dealer replacement goes to about $750. All diagnostic help is deeply appreciated! At this time the only fault code left is "P2025-08 -Check component M16/5 (Throttle valve actuator). In my case as stated earlier in the thread was a loose pipe connection after the air mass sensor. Jun 17, 2017 · My GL 320 CDI went into a limp mode with a check engine light on. Thanks May 8, 2020 · The throttle valve/body is not part of the exhaust re-circulation system. Nov 25, 2019 · Have a 2007 E220CDI - gone into limp mode. cost £1 Aug 21, 2021 · Weird thing was I was able to get over 3000rpms. Will not work on Sprinter OM642 due to different EGR system. com or eAutorepair. When I replaced it car started to work no limp mode I cleared the faults and no one appeared again. After cleaning, test the EGR valve to ensure it opens and closes correctly. 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. Fuel injectors in the OM642 engine can become clogged or fail, leading to:-Poor Fuel Atomization: This can cause rough idling and decreased power. 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. 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. 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. The only real reason these have a maf is for egr fault checking and subsequent limp home . It’s important to check and possibly clean or replace the EGR valve, and also check the positioner’s electrical connections. The Exhaust Gas Recirculation (EGR) system in the OM642 engine is responsible for reducing emissions. Car had rough start, poor idle and no boost. Everything works perfect. Might be better to block EGR at the other end of the EGR tube, where it enters the valve upstream from the EGR Cooler. 920 OM642. A read out of the snap shot data shows EGR control at max (95%), and MAF sensor air flow still too high. 2 volts. Relocate exhaust gas temp sensor; Remove DPF; Tune Replace DPF with a straight pipe (just the ~1. 7 mb, 168 pages Format: . 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. 20-N-073867) This code covers a wide range of common problems. 4. Jan 10, 2019 · Ed, FWIW I cleaned mine on a R320 CDI. 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. The engine would run fine with it stuck in the open position. 2. JPG Bottom view of cleaned EGR Valve looking at blades. 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 . zgfrbaw hqqaj drpotoq bhko rxv txf iqkni rwsqx wxahod byyqm