Question about 2004 Hyundai Santa Fe

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2004 santa fee diesel. serviced, fuel tank cleaned out new filters. runs fine take it from high revs through the gears engine cuts out engine check light comes on. wait a couple of minutes engine starts check light stays on. replaced everything. if one does not change down through the gears runs fine. stumped Paul

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  • paul_rendall Jul 13, 2009

    Dealer charged me packet to tell me the computer read out says voltage fault C.A.N.

    have had serviced regularly, just been done, just cleaned out fuel tank and changed filters.

    can run 600 miles without a problem, but just once changed down with high revs engine cuts out. at first thought fuel problem. take off outlet from fuel filter bleed some fuel through, check light goes out

    engine starts first time. gremlins, some where. Paul

  • paul_rendall Jul 13, 2009

    will get it and email it too you. they put in a new a/c compressor and some fuel computer plus a new cruise control was working fine but just never know when it is going to stop. will get back to you in a couple of days its a fair hike to the garage. many regards Paul

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Was the C.A.N voltage failure resolved when the control module was replaced? Once that is resolved, the issue should be fixed.
Good luck.
Regards,

Posted on Jul 14, 2009

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  • Hyundai Master
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IN ORDER TO HELP YOU I NEED THE TROUBLE CODE THAT IS STORED WHEN THE CHECK ENGINE LIGHT IS TURNED ON, THAT IS THE KEY TO FIGURING OUT THE PROBLEM, EITHER HAVE THE DEALER RUN THE SYSTEM TROUBLE CODE TEST OR BUY A CODE READER FROM AN AUTO PARTS STORE OR ON EBAY FOR OBD 2 ENGINE CONTROL SYSTEMS.

Posted on Jul 13, 2009

  • yadayada
    yadayada Jul 13, 2009

    that is a control system fault and the source of the problem, what did they recomend a new computer maybe?

  • yadayada
    yadayada Jul 13, 2009

    i need the fault code, call them and post it for me.

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