Highter Than Nornal Idle Due to Vacuum Leak on Chevrolet Blazer

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: (–)
Engine affected: Gasoline
5 model years affected: 1990, 1991, 1992, 1993, more1994
5 people reported this problem
0 people shared problem details
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