When the car is on, it accelerate up and down

Tiny
ROBERT3GONZALEZ
  • 1999 BUICK LESABRE
  • 127,000 MILES

When the car is on, it accelerate up and down.

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Friday, March 29th, 2013 AT 1:32 PM

1 Reply

Tiny
HMAC300
  • EXPERT
  • 49,802 POSTS

Clean throttle plate on both sides with choke cleaner as well as iac hole. Check for a vacuum leak

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Friday, March 29th, 2013 AT 2:02 PM

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