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Model Years Affected: 1994, 1995
An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.
Common Problems > Chevrolet G Series Van (G10)
Q&A > Chevrolet > 1990 Chevrolet G Series Van (G10)
Q&A > Chevrolet > 1997 Chevrolet G Series Van (G10)