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2007 Cadillac DTS Question: Engine light stays on all the time



Visitor, Alta, IA, May 16, 2010, 13:10

The delivership put new gas cap on thinking it was it, but light came on again & stays on.

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  • Answer #1

    May 16, 2010, 14:25

    It is necessary to retrieve the Diagnostic Trouble Codes stored in yours vehicle's computer to diagnose the problem.

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