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Model Year Affected: 1991
The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.
Q&A > Chevrolet > 1991 Chevrolet Caprice
Q&A > Chevrolet > 1994 Chevrolet Caprice
Q&A > Chevrolet > 1992 Chevrolet Caprice
Common Problems > Chevrolet Caprice