Highter Than Nornal Idle Due to Vacuum Leakon Chevrolet 2500 Pickup

The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.

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EngineAffected: = affected_variants_list(car_problem_description)
11 Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
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