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Q: engine on 1992 GMC Vandura 2500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
when engine warms up the idle gos up an down and if your setting at a stop light it will die sometimes
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Symptom: High idle. IAC counts are at 0.

System: Emissions/PCM/Fuel

Codes: N/A

Problem: TBI (Throttle Body Injector) base gasket is leaking.
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