Idling

142,000 MILES
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COLEMAN74
  • MEMBER
  • 21 POSTS
car rpms rev from 800 or so to 1000 rpms while idling at stoplights.any suggestions?it dips back to 800 then back up to 1000.
Apr 18, 2013 at 12:18 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
vacuum leaks or bad idle air control

Roy
Apr 18, 2013 at 12:19 PM
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COLEMAN74
  • MEMBER
  • 21 POSTS
Thanks! What is a vacuum leak?Is that part of the cooling system.also I just replaced air filter
Apr 18, 2013 at 12:22 PM
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