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190,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CHEVY613
  • MEMBER
  • 1 POST
my 2000 chevy malibu shakes only when in gear but stops once i start driving....i think its my thermosate?..any ideas please help
Feb 2, 2011 at 10:49 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Clean throttle-body and check iac/idle air control. Any applicable trouble codes? Some of the national brand autostores used to check codes for free. How long since a tune-up?

A vacuum leak may be more noticeable at idle.
Feb 3, 2011 at 2:08 PM
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