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Alisha
Alisha 4/14/2010
2000 Buick Park Avenue Base 6Cyl3.8L - Engine
What is the problem when my car is constantly jerking like it wants to go when I am stopped, plus the rpm's fluctuating?
The Rpm's keep going up and down, up and down even when I am in park and just turned it on. I have to turn it off as soon as I turn it on because I am afraid it will explode!
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  • deckmanASE
    deckmanASE 4/14/2010
    It might be a fuel injection problem, if the rpms are fluctuating a lot you should be getting a "Service Engine Soon" light. That will give a shop an idea of what is the problem. I would have them check the Mass Air Flow Sensor, or the idle bypass valve.
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    deckmanASE
    Alisha 4/15/2010
    If that was the problem what could the cost be around?
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