Check Engine Light Due to Gas Cap Issue on Cadillac Escalade

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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Average mileage: 72,678 (20,000–119,000)
4 model years affected: 2007, 2008, 2009, 2010 more
14 people reported this problem
3 people shared problem details
everytime i get gas engine light comes on thereafter
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.
Check engine light will illuminate when gas cap is not properly sealed.
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