Cadillac Escalade Problem Report
Cadillac Escalade Check Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
everytime i get gas engine light comes on thereafter - Visitor
2 weeks after getting the vehicle, got the same problem. Turned out the cap was good, just needed to be turned a couple of times. Now I crack the max out of the cap and it hasn't happened since. - Dlowe12300
Check engine light will illuminate when gas cap is not properly sealed. - Visitor
Check engine light comes on when the gas tank is below 1/2. Replaced gas cap and that seemed t...
One or both secondary air injection check valves may become restricted causing poor air flow re...
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...