engine on 1992 GMC Vandura 2500

when engine warms up the idle gos up an down and if your setting at a stop light it will die sometimes

by in Cedar Rapids, IA on November 30, 2009
2 answers
ANSWER by on November 30, 2009
Symptom: High idle. IAC counts are at 0. System: Emissions/PCM/Fuel Codes: N/A Problem: TBI (Throttle Body Injector) base gasket is leaking.
ANSWER by on December 27, 2010
belt diagram
Related Items:
170K miles on original engine. Occasionally takes a little longer to start recently and will not accelerate crisply when pus...
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell...
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases,...
Have not check on fuel pump pressure or flow. Did not check for any engine codes. Engine will not idle. Have to keep pumping the foot throttle to keep running.

Related Content