Highter Than Nornal Idle Due to Vacuum Leak on Chevrolet Tahoe

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: 168,000 (168,000–168,000)
Engine affected: Gasoline
2 model years affected: 1995, 2003
2 people reported this problem
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