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Cadillac
Escalade EXT
20

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

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 93,333 (30,000–150,000)
9 model years affected: 2002, 2003, 2004, 2005, more2006, 2007, 2008, 2009, 2010
20 people reported this problem
Comments
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I changed the gas cap, and then they took out and swapped the whole fuel system. The light is still coming on due to this matter.