Chevrolet Silverado 2500
Report: Check Engine Light Due to Gas Cap Issue
Chevrolet Silverado 2500 Problem
Model Years Affected: 1999, 2001, 2002, 2003, 2004
Exhaust & Emissions Affected: Gasoline
Verified
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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One or both secondary air injection check valves may become restricted causing poor air flow re...
Common Problems > Chevrolet Silverado 2500
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One or more fuel injectors may become stuck closed causing an engine misfire and the Chec...
Common Problems > Chevrolet Silverado 2500
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The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...
Common Problems > Chevrolet Silverado 2500
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Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or il...
Common Problems > Chevrolet Silverado 2500
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We have replaced both front wheel hub assembly. Stil can not get the light to go off.
Q&A > Chevrolet > 2002 Chevrolet Silverado 2500