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Thread: Got a 1221 code after stomp test, need direction

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  1. #1
    Join Date
    Nov 2004
    Location
    Pismo Beach, CA.
    Posts
    52

    Default

    Ok, I did the passes like you said in second and third. Now what do I do? Do I try to clear the check engine light. How do I do that? I haven't noticed a big drop off in gas mileage since the light went on, but it hasn't really been long enough for me to tell. I will keep an eye on that. I have replaced a few air hoses as well as this was the first place that was recommended that I start. Thanks for the help!

  2. #2
    Join Date
    Nov 2004
    Location
    Pismo Beach, CA.
    Posts
    52

    Default

    Anyone else have more insight on this? Please help!

  3. #3
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,843

    Default Vacumm leak

    can also cause an O2 code just to mess with you.
    95 E34 530I V2.37
    ===========
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