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Thread: pulsing acceleration

  1. #1
    Join Date
    Apr 2006
    Location
    Illinois
    Posts
    65

    Default pulsing acceleration

    I've noticed that my car seems to be pulsing a bit as I accerlate. It's not a smooth accereration. It happens more as the car is warming up. Any suggestions what it could be?

  2. #2
    Join Date
    Feb 2004
    Location
    St. Louis
    Posts
    85

    Default

    Search under "Pendulum". This was/is a known problem on the auto GM tranny. Don't know if yours in man or Auto. I was stricken by it......

    1995 525iA 200,000 Miles

  3. #3
    Join Date
    Apr 2006
    Location
    Illinois
    Posts
    65

    Default

    Quote Originally Posted by Luftpost
    Search under "Pendulum". This was/is a known problem on the auto GM tranny. Don't know if yours in man or Auto. I was stricken by it......

    Didn't find it searching as you said.
    What is the correction, if any for this?

  4. #4
    Join Date
    Apr 2005
    Location
    So Cal USA
    Posts
    231

    Default

    have you steam clean your engine recently? if so water can be in the sparkplug channel.
    95 M-sport SOLD now NSX

  5. #5
    Join Date
    Feb 2004
    Location
    St. Louis
    Posts
    85

    Default

    Here is the link to the thread. Unfortunatley the bulletin is not coming up. Perhaps someone else has a source.

    L.

    1995 525iA 200,000 Miles

  6. #6
    Join Date
    Jan 2006
    Location
    Sedro-Woolley, WA USA
    Posts
    216

    Default

    Your car is indicating that it going to explode at any moment. Sell it to me before that happens.

    Actually,,what you describe sounds like 'surging' and/or 'hesitation'- do a search on these topics on this forum, and im sure you will get an answer. Sounds like it could be the 02 sensor,,,they tend to start to go bad around 60-80k,,,and typically cause surging. Could also be any number of things, fuel pump, MAF,,,but,,start with the most obvious. Again,,,a search on this forum re: surging and hesitation, will provide volumes of information.

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