Silverado 1500 HD

Check Engine Light Due to Loose or Worn Gas Cap on Chevrolet Silverado 1500 HD

Problem Description and Possible Solution

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

Problem Data
RepairPal Verified
Average mileage: 90,000 (90,000–90,000)
3 model years affected: 2006, 2008, 2009
3 people reported this problem