Question about 1993 Buick LeSabre

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1993 buick lesabre limited

When i start my car for the first time in a day the rpm needle jumps and when I put it in gear it jumps over and over til i reach a certain point in the road then it will stop and it wont happen until the next day i start it again

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  • yadayada
    yadayada May 11, 2010

    I am not sure what you mean, is it just the tach or does the engine rpm change??

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I would try cleaning the conection at the coil pack and use tuneup grease when you put it back together then see how it works.

Posted on Aug 20, 2008

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