Check Engine Light Due to Gas Cap Issue on Cadillac Escalade EXT

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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Average mileage: 30,000 (30,000–30,000)
4 model years affected: 2007, 2008, 2009, 2010 more
5 people reported this problem
1 person shared problem details
Worn cap set off my engine check light also. Suspect the rubber seal.
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