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yellow engine diagnostic warning

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by barnaclebill15, Jan 14, 2021 at 4:22 PM.

  1. barnaclebill15

    barnaclebill15 Senior Member

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    Your Mercedes:
    clk220cdi/2006/diesel
    the yellow engine diagnostic warning just popped up, it was hard to see as it was 3:20pm and the clock hands almost covered it, had to get the book out and look up what it was, car is driving ok and all instruments look normal.
    The only thing recently was a couple of days ago I was driving in a 50 zone with cruise control on and a car was merging on a slip road so I speeded up a little but noticed slow response, later on I tried to speed up but it did not kick down, was going to investigate but next day all was normal as it was today no problems.
    It's due service and MOT 11th Feb or is this needing more urgent attention?
     
  2. onefortheroad

    onefortheroad Senior Member

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    Your Mercedes:
    c207 e350 cdi 2017 . ford kuga 65 plate awd powershift .
    As always , it needs the fault codes read to see whats what.
     
  3. mioba

    mioba Senior Member

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    Your Mercedes:
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    Get it seen to first. Could and is most probably something simple and mere maintenance item.

    Good indy with correct diags will see you right.

    I think eml is an instant MOT failure but someone please correct me. So get it done first.
     
  4. Blobcat

    Blobcat Moderator

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    Your Mercedes:
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    OM651... I'd be getting it looked at sooner rather than later
     
  5. onefortheroad

    onefortheroad Senior Member

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    Its logged as an advisory AFAIK.
     
  6. Gazwould

    Gazwould Senior Member

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  7. Kev555

    Kev555 Senior Member

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    Scare tactics Blobcat, its a great engine:D:oops:o_O
     
  8. Blobcat

    Blobcat Moderator

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    It is, but with a warning light it’s giving you a message... ignore it at your peril...
     
    Kev555 likes this.
  9. OP
    barnaclebill15

    barnaclebill15 Senior Member

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    Your Mercedes:
    clk220cdi/2006/diesel
    EGR valve, now replaced, now just the hole in the wallet to fix.
     
    Kev555 likes this.
  10. onefortheroad

    onefortheroad Senior Member

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    Your Mercedes:
    c207 e350 cdi 2017 . ford kuga 65 plate awd powershift .
    was the egr beyond repair ? would it not of cleaned up ?
     
  11. mioba

    mioba Senior Member

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    Your Mercedes:
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