Chevrolet Silverado 2500 HD Problem Report
Chevrolet Silverado 2500 HD Check Engine Light Due to Loose or Worn Gas Cap
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
While driving the truck will go to reduced engine power. I can stop, turn the key off and resta...
One or both secondary air injection check valves may become restricted causing poor air flow re...