The car idle surges after it warms up and I'm.

Tiny
ANONYMOUS
  • MEMBER
  • 1989 FORD RANGER
  • 276,000 MILES
The car idle surges after it warms up and I'm getting a lot of carbon out the exhaust I've changed air filter and spark plugs but it did no good
Monday, March 18th, 2013 AT 7:39 PM

1 Reply

Tiny
BLAZE45
  • EXPERT
It sounds to me like you have a vacuum leak. Check for that as well as cleaning the Idle air control valve if it is fuel injected.
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Monday, March 18th, 2013 AT 11:38 PM

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