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"trac off" light on '01 Cavalier

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  • "trac off" light on '01 Cavalier

    I have a 2001 Cavalier that when I run out of CNG and switch to gasoline the "trac off" light on the dashboard comes on and stays on until I fill up with CNG, then it goes off. I can't see how the fuel system and the traction control are related. Just wondering if someone has had the same problem.
    Jared.
    Mountain Green, Utah
    2003 CNG Cavalier
    2003 CNG Silverado 2500HD

  • #2
    Re: "trac off" light on '01 Cavalier

    Hi Jared, Sounds like a couple of different issues to me. About the only thing linking these two systems up, would be either a ground or serial data. Look for any suspect wiring or damage to a harness. Make sure all grounds are secure. Serial data would be a long shot, but if anything is giving a feedback, where its not normal could create issues in operation. Do you have any wiring diagrams on this vehicle? Let me know what you find out, Kevin

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    • #3
      Re: "trac off" light on '01 Cavalier

      Kevin,

      Thanks for the reply. I have the service manual for the car. I'll check in them for a wiring diagram.
      Jared.
      Mountain Green, Utah
      2003 CNG Cavalier
      2003 CNG Silverado 2500HD

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