c class cdi fault

Discussion in 'Engine' started by harryandeileen, Jul 9, 2017.

  1. harryandeileen

    harryandeileen New Member

    Messages:
    4
    Joined:
    Sep 7, 2016
    : C class 2005 cdi hi everyone I'm Harry and my merc has a problem.I recently had two injectors pack up one was burnt away at about 20 mm up from the bottom to the bottom and was dumping diesel in.south lowestoft fuel injection fixed it for me but when I first start up the engine is a bit lumpy for about two mins as soon as its warm its fine any ideas please? I have taken the egr off and cleaned it,still the same,they say the injectors are working fine,I tested the glow plugs and they were all reading between 0.05-0.01ohms so they seem fine cannot anyone help please,many thanks. Harry

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    Last edited: Jul 9, 2017
  2. estate-agent

    estate-agent Hardcore MB Enthusiast

    Messages:
    119
    Joined:
    Aug 11, 2007
    Car:
    W203 270 CDI Wagon - previously CLK 320 CDI Sport
    Any blue or black smoke whilst it runs lumpy at first? Could be an injector leaking a little when engine is off. is it worse if the car is left for longer periods before start up?

    No EML light on?



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  3. OP
    OP
    harryandeileen

    harryandeileen New Member

    Messages:
    4
    Joined:
    Sep 7, 2016
    Hi it seems to be the same the car felt like it was trying to regen today it lost power and we went to eat and when we came back it went alright then half an hour driving later the eml light came on we got home and my fault code reader said egr not in spec so I cleared it and it was fine again,I will see what happens on the Way to work tomorrow cheers

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