Why does my car start to jerk when I drive it.

Tiny
IMPORTTUNER
  • 1999 PONTIAC GRAND PRIX
  • 218,000 MILES

It does it while im driving no matter if im driving in town or on the highway or even the interstate, it mostly does it when I go up hill but it will also do it while im driving on a flat straight road. It also does it when I accelerate to, it doesnt consistantly do it but it will do it a couple of times while im driving, I changed all the fluids but it still does it.

Can any one help me with this?

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Friday, May 25th, 2012 AT 6:05 AM

4 Replies

Tiny
RASMATAZ
  • MEMBER

Do you have a check engine light and when was last tune-up?

Have the exhaust system checked for restriction.Also go herehttp://www.2carpros.com/articles/engine-hesitates and http://www.2carpros.com/articles/engine-surges

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Friday, May 25th, 2012 AT 7:39 AM
Tiny
DJCL
  • EXPERT
  • 786 POSTS

Will it shake when its idling

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Friday, May 25th, 2012 AT 11:37 AM
Tiny
IMPORTTUNER
  • MEMBER

The check engine light is on and the last tune up was 3 months ago.

It doesnt shake while idling.

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Friday, May 25th, 2012 AT 11:25 PM
Tiny
RASMATAZ
  • MEMBER

CEL On-scan the computer for code/s and get back if any with the exact code number not description of problem

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Friday, May 25th, 2012 AT 11:35 PM

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