Question about 2001 Chevrolet Astro

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Service engine light stays on.

Got gas 2 months ago, service light came on. Reset gas cap several times no luck. Still on.HELP

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  • yadayada
    yadayada May 11, 2010

    GAS CAP, GAS CAP! total urban legend! a loose gas cap is one of more than 200 malfunctions in the electronic engine controls that turn on the check eng light, have the system tested for the trouble code(s) that is stored in memory whenever the CEL is turned on.

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  • Chevrolet Master
  • 358 Answers

Need to find out what the codes are stored in you computer and then we can solve your problem better.

Posted on May 28, 2009

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