Chevrolet Silverado 3500 HD Problem Report

Chevrolet Silverado 3500 HD Check Engine Light Due to Gas Cap Issue

(5 reports)

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Check engine lite would come on in IL cold weather and go out in TX hot weather. Was told it was a oxygen sensor but turned out to be gas cap??? -
Related Items:
battery light on?
All other lights work properly, there isn't a male connection from the rear power block that al...
I tow a 5th wheel. Have had brakes checked by two different dealers who said they're "fine". Of...
Top hose collapse when engine cools. Hose recovers when the radiator cap seal is released.
service trailer brake light is on in the dash while there is no trailer connected? Tried fuses...