GMC Sierra 1500 Problem Report
GMC Sierra 1500 Check Engine Light Due to Gas Cap Issue
A Loose or worn gas cap may cause Check Engine Light to illuminate.
Service technicians have checked repeatedly and find nothing wrong.
I had replaced the gas cap with a new o e m one and it didnt work the display comes on every ti...
SERVICE ENGINE LIGHT NOT COMING ON. NEED A PLACE TO START CHECKING.
One or both secondary air injection check valves may become restricted causing poor air flow re...
The distributor may develop internal faults. This can cause a rough running engine or stalling...