1996 GMC Truck Repair Question
Topics covered: Body, Rpm, Trouble code.
Mileage: 16,300 miles.
Mileage: 16,300 miles.
Asked on January 18, 2011
Whats up
Idles at 2 2and a half rpms instead of 1 1 half
Answer
Replied on January 18, 2011
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.