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when engine warms up the idle gos up an down and if your setting at a stop light it will die sometimes
Symptom: High idle. IAC counts are at 0.
Problem: TBI (Throttle Body Injector) base gasket is leaking.
Q&A > GMC > 1993 GMC Vandura 2500
Common Problems > GMC Vandura 2500
Q&A > GMC > 1995 GMC Vandura 2500