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  1. #1
    Registered Member
    , MD, United States
    Member No: 129158 sdcgkc is an unknown quantity at this point sdcgkc's Avatar
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    Jul 2005
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    Idle Problem & Check engine light 2003 C230

    Hi, I was hoping that someone might have an idea for where I can start with the following codes when the check engine light is lit.
    1) P2061
    2) P201b
    3) P2044
    4) P201a

    The actual problem with the rough idle seems to occur when stopped and the car attempts to idle. Check engine lights seems to come on and off
    somewhat randomly.

    Any help is greatly appreciated.

  2. #2
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    Member No: Bernard's Avatar

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    Re: Idle Problem & Check engine light 2003 C230

    I am quite sure your rough idle problem is due to your idle control valve. The inboard computer can pick up an ICV problem when it is really not functioning at all. When it is functioning even badly the car wont pick it up thus causing the check engine light to flicker on and off

  3. #3
    Dennis B
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    Member No: Dennis B's Avatar

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    Re: Idle Problem & Check engine light 2003 C230

    Hi there,

    I have a 2002 C230K and our engine light has been on for over a year. It still runs fine but was wondering how you can get list the computer codes? Do you need a device or can you access via the cluster?

  4. #4
    , ,
    Member No: john's Avatar

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    Re: Idle Problem & Check engine light 2003 C230

    hi there is a problem with a breather piper locater under the air filter box that breaks. no need for new parts just remove broken section of pipe and plug the end

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