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1997 Chevrolet Malibu Question: car is bucking jerking.

 

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ferryman, 3.1L V6, Urbana, OH, May 30, 2010, 12:26
 Rookie

car is bucking and jerking,it runs fine when you first drive it.after driving for about 1 half hour it will begain to buck and jerk.seems worse when start the car after driving.also when you pump brakes in park the car jerks.

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  • Answer #1

    dandd May 30, 2010, 19:59
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     Master

    Really need to check the codes in the computer and do a diagnostic as this could be so many things, including a ruptured Power Brake Booster. Any Check engine Light or Service engine Soon Lights on?

    http://repairpal.com/check-engine-light

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    ferryman, June 02, 2010, 17:26
     Rookie

    no there is no check engine or service engine soon lights on i think i have some type of vacum leak and was told that i may need a map sensor im not sure what is going on ive replaced so many different parts and still have no idea i dont think i can have diagnostics on it because there are no lights on

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