Highter Than Nornal Idle Due to Vacuum Leakon Chevrolet G Series Van (G30)

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

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Average mileage : (–)
EngineAffected: = affected_variants_list(car_problem_description)
6 Years Affected: 1990, 1991, 1992, 1993, 1994, 1995
6 people reported this problem
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