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Thread: '00 grand prix jerks at steady 55mph

  1. #1

    '00 grand prix jerks at steady 55mph

    After going a steady 50 mph and increasing to about 60 mph causes my rpms and car slowly bounce/jerk.
    PLEASE HELP!

  2. #2
    Addicted to eaton's Avatar

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    missfire? Plugs/wires
    2006 Kia rio, 114k miles
    2002 Grand Prix GTP. 40th Anv edition, 3.8L Supercharged V6, 130$ BBQ special. 111,000k
    2001 Chevy Impala, 3.4L SFI. 141,000k
    1997 Chevy Silverado 350 5.7L vortec z71, 250k
    1997 Grand Prix GTP, 3.8L supercharged V6 -Knocking motor mod. 189,000k
    1995 BMW 325I Slow, old, and high tech.

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    urbex's Avatar

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    It could be about anything! MAF, TPS, MAP, coils, ICM, transmission...

    1983 Chevy C-10 Scottsdale Pickup (166k miles) Built 4/83 in Flint, MI, Received 1/05
    1999 Chevy Lumina (163k miles) Built 9/9/98, Purchased 8/14/06 PAINT PEELING MOD!!!
    2006 HHR 1LT (53k miles) Built 5/24/06, Purchased 2/17/09




    Quote Originally Posted by virtuetovice View Post
    Sometimes when I'm home alone I lay in my closet and pretend I'm a carrot.

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