2003 Cadillac Escalade Q&A

2003 Cadillac Escalade Question: Check Engine light

Check engine light comes on when the gas tank is below 1/2. Replaced gas cap and that seemed to help for awhile, but its doing it again? Any ideas? -
Answer 1
Have you had the computer checked for codes? If not, I would start with that. A computer code helps you know where to start testing. Some of the retail parts stores will check your codes for free. -
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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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