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Cadillac STS

Report: Check Engine Light Due to Loose or Worn Gas Cap

Cadillac STS Problem
8 Reports

Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 54,000 mi (28,000 mi - 80,000 mi)

Verified

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

  • Report #1
    Visitor, 2006 Cadillac STS, 80,000 mi

    Last seven months the check enine light keeps coming on. dealer shows no interest in repair or trouble shooting.

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  • Report #2
    Visitor, 2007 Cadillac STS, 28,000 mi

    STS V8, "check engine light" comes on occasionally, dealer states no trouble codes are evident, has no idea how to repair, GM will give no assistance, after creating a complaint file on it.

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