1995 Buick Regal rough idle

1995 BUICK REGAL
212,700 MILES • 6 CYL • FWD • AUTOMATIC
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DFRANE
  • MEMBER
  • 1 POST
About 2 weeks ago I was driving on a wet muddy road and ever since that time I have been having a problem with my car idling rough while sitting at a stop light. The car runs fine while driving. No problems with the transmission.
Aug 29, 2009 at 6:06 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The most common cause of a rough idle is a vacuum leak. Have you checked for that? Also, make sure mud didn't get on the crank sensor.

Let me know what you find.
Sep 4, 2009 at 1:07 AM
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