Chevrolet Silverado 1500 HD Problem Report

Chevrolet Silverado 1500 HD Check Engine Light Due to Gas Cap Issue

(13 reports)

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

check engine light came on - no other problems - computer message was to tighten gas cap New gas cap - no check engine light -
Check engine light due to gas cap issue -
I'm not really sure what the problem is just yet, sometime the check engine light goes away, them will come on days later. -
Dealer wanted $400 for some emission valve. New gas cap solved the problem! -
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