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2005 Cadillac STS Question: My check engine light has recently began illuminating and then turning off, why?

 

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BigDaddyDave, Rowlett, TX, February 25, 2013, 16:05
 Rookie

My check engine light will illuminate for more days than not but it comes on for a few days and then it will turn off for a day. It seems to, possibly, come back on after the car heats up or has been driven 30 to 40 miles. I replaced the gas cap already.

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  • Answer #1

    rpclements February 26, 2013, 08:50
     Journeyman

    When light turns on take to your local autozone for free check. This will give you good direction to go in.

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