Cadillac Escalade EXT Problem Report

Cadillac Escalade EXT Check Engine Light Due to Gas Cap Issue

(8 reports)

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

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. -
Gas cap was exchange to get light to go off. Warning continued for several weeks and then inadvertently went out. -
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