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Cat C15 BXS misfire and rough running

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by fenix1981, Sep 6, 2018.

Page 1 of 4
  1. Sep 6, 2018 #1
    fenix1981

    fenix1981 Bobtail Member

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    Sep 6, 2018
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    Hi , my truck is a freightliner classic 2004 with a cat C15 BXS. Check light comes out and check a bad #5 IVA solenoid. Changed it and runs with the same problem. Check it with ET and a injector #6. Change it and the same problem. Now with no error codes. We reprogrammed the ecm to 550 HP and 1850 torq. It was 435HP. Can someone help
     
    fenix1981, Sep 6, 2018
    fenix1981, Sep 6, 2018
    #1
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  3. Sep 7, 2018 #2
    Goodysnap

    Goodysnap Road Train Member

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    You need to check wiring, especially the inside engine harness are prone to getting brittle, rubbing and having loose connections at the components. Keep in mind could be outside the engine too, but most troubles are found inside. Older engines, if you in there pull the base and replace both harnesses.
     
    Goodysnap, Sep 7, 2018
    Goodysnap, Sep 7, 2018
    #2
    BUMBACLADWAR, Oxbow, pushbroom and 2 others Thank this.
  4. Sep 7, 2018 #4
    fenix1981

    fenix1981 Bobtail Member

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    Sep 6, 2018
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    Thanks. Do you know how can we delete the IVAs??
     
    fenix1981, Sep 7, 2018
    fenix1981, Sep 7, 2018
    #4
  5. Sep 7, 2018 #4
    spsauerland

    spsauerland Road Train Member

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    West Harrison, In
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    Turn it into a 6NZ...
     
    spsauerland, Sep 7, 2018
    spsauerland, Sep 7, 2018
    #4
    SAR and Oxbow Thank this.
  7. Sep 7, 2018 #5
    Superhauler

    Superhauler TEACHER OF MEN

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    Don't "just" delete the vva's. Your headgasket won't last long. To delete them properly you need to install lower comp pistons or have yours cut down to lower the compression.
     
    Superhauler, Sep 7, 2018
    Superhauler, Sep 7, 2018
    #5
    wore out, SAR, Oxbow and 1 other person Thank this.
  8. Sep 7, 2018 #6
    fenix1981

    fenix1981 Bobtail Member

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    Sep 6, 2018
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    Someone know what is the part number for the engine harness of the c15 BXS series???
     
    fenix1981, Sep 7, 2018
    fenix1981, Sep 7, 2018
    #6
  9. Sep 7, 2018 #7
    fenix1981

    fenix1981 Bobtail Member

    16
    2
    Sep 6, 2018
    0
    Someone know what is the part number for the engine harness of the c15 BXS series???
     
    fenix1981, Sep 7, 2018
    fenix1981, Sep 7, 2018
    #7
  10. Sep 7, 2018 #8
    spsauerland

    spsauerland Road Train Member

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    West Harrison, In
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    Need whole ESN and which harness. Under valve cover or external.
     
    spsauerland, Sep 7, 2018
    spsauerland, Sep 7, 2018
    #8
    SAR, Oxbow and AModelCat Thank this.
  11. Sep 7, 2018 #9
    fenix1981

    fenix1981 Bobtail Member

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    Sep 6, 2018
    0
    BXS04112 C15 2004
     
    fenix1981, Sep 7, 2018
    fenix1981, Sep 7, 2018
    #9
  12. Sep 7, 2018 #10
    fenix1981

    fenix1981 Bobtail Member

    16
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    Sep 6, 2018
    0
    The engine to the ecm and the one that’s inside the engine that connects actuator,injectors and jakes
     
    fenix1981, Sep 7, 2018
    fenix1981, Sep 7, 2018
    #10
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