Cadillac CTS-V Problem Report

Cadillac CTS-V Check Engine Light Due to Gas Cap Issue

(7 reports)

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

My computer notified me that I should "check gas cap" and now my "check engine light" is on. -
My Check engine light comes on after I fill up with Gas. that has happened the last 3 times I filled up. -
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