Car Problem Reports

Cadillac STS Check Engine Light Due to Loose or Worn Gas Cap

Cadillac STS Problem
8 Reports
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Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010

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


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

  • Visitor, , 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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  • Visitor, , 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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