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Thread: random p0201 code

  1. #1
    Join Date
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    random p0201 code

    hey guys,

    im currently working on a s54 that will randomly throw a p0201 code. ive done some searching and found injectors to be a common issue on these engines. but ive be unable to find anything that is a common issue with the injector codes, other than the maf. but with this being a specific cylinder with a circuit code I find it strange a maf would cause that. ive done a basic overview of the system and im getting down to testing circuits. and my question is if there are any common faults or areas I should check before I dig into serious diagnosing.

    current diag done:
    -while driving after up to temp, there is a chug, and obvious misfire. light will illuminate. and the car will enter limp mode. if you turn the car off then back on, the issue will go away, and the light will go out.
    -I also inspected as much of the wiring as I could for breaks, or obvious issues.
    -removed air box, and inspected the injector.


    thanks in advance.

    - - - Updated - - -

    ok. just switched the #1 and #2 injector. and its till throwing a p0201.

  2. #2
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  3. #3
    Join Date
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    glendale, ca
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    X3, 325i
    Hi i know this is a old thread i just want to know how this problem solve, because this is exactly happening in my X3 thanks

  4. #4
    dworthy's Avatar
    dworthy is offline Wagon meister :) BMW Tech Expert
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    BMX3, the motor in your X-3 is not even close to the motor in the E-46 M-3. You would be better served in either posting a new thread in the X-3 sub-forum or over in the General BMW Mechanical Help sub-forum.

    As a new user, it is just bad etiquette to do what you did in an old thread, please just start a new one.
    Darin
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