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Model Years Affected: 1996, 1997, 1998
Exhaust & Emissions Affected: Gasoline
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
Common Problems > Chevrolet G Series Van (G20)
Q&A > Chevrolet > 1990 Chevrolet G Series Van (G20)
Q&A > Chevrolet > 1993 Chevrolet G Series Van (G20)