BIG_G_1979
Active Member
Any update on root cause of power loss?
E320 cdi w211 no power before 2000rpm
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bini-q
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- Mercedes S55 K AMG, E320 CDI, E280cdi, E63 AMG, SL300 R129
I haven't had time to chase it up as very busy with work but as soon as i have it checked will update
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bini-q
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Which hose, where is it located so i can check and either fix or rule it out
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BIG_G_1979
Active Member
What was wrong with hose? And where is it located
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bini-q
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The fuel filter was changed roughly 4k ago but i dont see how that could be as i am only getting like 22-23 mpg around town
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In that case have you checked the injector return lines? They are clipped on to the injector with little plastic nipple connections. There is a small O ring on the injector that can fail causing fuel to leak. The leakage can also cause engine fueling problems, especially as you have high fuel consumption.
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bini-q
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- Mercedes S55 K AMG, E320 CDI, E280cdi, E63 AMG, SL300 R129
It has been a while since i wrote on here but i have been very busy with work and didn't have any time to look for a solution for my car. So a quick update on my problem, i had the car today pressure tested and it turns out that there is a boost leak in the egr valve, so next will be to get hold of an egr valve replace it and hopefully sort out the problem, i will update as soon as i replace it
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BIG_G_1979
Active Member
Great thanks for keeping us updated yes please let us know if EGR sorts ur issue
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bini-q
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- Mercedes S55 K AMG, E320 CDI, E280cdi, E63 AMG, SL300 R129
Does anyone know if the egr valve is same for e280 cdi and 320 cdi as i was thinking of buying a used one first and see if it cures the problem before i shell out 400 for a new one from MB Dealer
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BIG_G_1979
Active Member
Yes I belive so as there both 3.0v6 only difference Is ecu mapping
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bini-q
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Well well, i have replaced the egr twice now and yet the problem is still there, it has gotten worse really as the car is in limp mode more often than not, when starting from cold its in limp mode, as soon as it reaches the required temperature if i switch it of and on again it starts working but not for long, this car is giving me some serious head scratching of what it could be, never in my life did i have a weirder car
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bini-q
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I did have it tested and it performed beautifully
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mbenz1
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EGR replacements - were they new or used units? If new then assuming genuine MB ones?
If used then they could possibly be faulty / not functioning as intended?
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mbenz1
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Also, did you get fault codes cleared (if any) after getting the EGR replaced
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bini-q
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- Mercedes S55 K AMG, E320 CDI, E280cdi, E63 AMG, SL300 R129
They were used egr, the first one was bought off ebay and returned as it made no difference, the second one was taken of a relatives car (it took some persuading) who has a fully functioning car and there were no codes to clear
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mbenz1
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It's seem to be a maze with your car unfortunately.
The basic checklists for limp mode issues would be:
- MAF sensors (×2 in the V6 CDI)
- Air filters (service computer needs to be reset when new air filters are put in)
- Fuel filter - there could be some dirt / foreign object causing a fuelling issue
Plus:
With regards to checking Live Data on STAR, the key things to check are:
- Injectors
- Turbo actuator
- Inlet Port Shut Off motors
- EGR Valve
- MAF sensors etc...
They should be operating in the green zone as a minimum.
Cannot think of anything else tbh
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The basic checklists for limp mode issues would be:
- MAF sensors (×2 in the V6 CDI)
- Air filters (service computer needs to be reset when new air filters are put in)
- Fuel filter - there could be some dirt / foreign object causing a fuelling issue
Plus:
With regards to checking Live Data on STAR, the key things to check are:
- Injectors
- Turbo actuator
- Inlet Port Shut Off motors
- EGR Valve
- MAF sensors etc...
They should be operating in the green zone as a minimum.
Cannot think of anything else tbh
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