cat eng codes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by slowhandpete, Jan 2, 2015.

  1. slowhandpete

    slowhandpete Bobtail Member

    48
    12
    Jun 18, 2011
    salem,in
    0
    I have a 5ek30002 3406e and I have a check engine light it brought up a code 72. what does this code mean
     
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  3. SAR

    SAR Road Train Member

    2,756
    36,652
    Nov 26, 2011
    ND
    0
    bigguns Thanks this.
  4. SAR

    SAR Road Train Member

    2,756
    36,652
    Nov 26, 2011
    ND
    0
    I would maybe start checking if you have good grounds to your engine, maybe check and clean main wiring harness going into valve cover. If those check out maybe check wiring harness inside engine or maybe you have something going on with injector one or two.
     
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