Question about 1999 Buick Park Avenue

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Engine starts surging fast then slow--then stops

Check engine light and oil indicator stay on....When shifting into drive the car jerks hard.

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You have a accelerater sensor bad and some people call it throttle positional sensor

Posted on Mar 06, 2009

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What is wrong with my car when it jerks in drive


jerks when?

moving the shift lever. with hand?

moving car. in gear,name the gear, drive, L or reverse?

jerks from, 1 to 2nd gear, 2nd to 3? or ? (or when IT down shifts)

pretend we are blind (we are) and cant drive car,(hopeless) and

tell us exactly what works and dont work driving.

hot /cold engine, fast /slow/ accelerating/ decelerating, up hills and what gears.



if engine is hot, is your idle at 800 RPM parked, in park.

y/s

if not the idle controls are out of control and when you shift to drive

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I have a '99 Jeep Grand Cherokee Limited 4wd. The check engine light came on and ****** shifted hard a couple times and doesn't seem to want to shift into 2nd. Changed fluid and filters and level...


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But you can make some mechanic if you don't know how to doit
to inspec the transmision filter.
Good lock

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the idle air control solenoid or a vacuum leak on backside of intake the hose that goes to pcv valve.they are both common problems on this car.check for vacuum leak firstthanks for your question....

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