Whats up

Tiny
SHALLON
  • 1996 GMC TRUCK
  • 2WD
  • AUTOMATIC
  • 16,300 MILES

Idles at 2 2and a half rpms instead of 1 1 half

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Tuesday, January 18th, 2011 AT 6:06 PM

1 Reply

Tiny
JDL
  • EXPERT
  • 16,281 POSTS

Make sure the throttle-valve closes. Clean the throttle-body and check the iac. Possible vacuum leak? Any applicable trouble codes? Something could be requesting a higher idle, like hvac? There could be other requests concerning the idle, hard to tell from here.

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Tuesday, January 18th, 2011 AT 6:14 PM

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