Cummins N14 died

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by truckinhermit, Feb 1, 2022.

  1. truckinhermit

    truckinhermit Bobtail Member

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    Sep 12, 2021
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    Cummins N14 died while high idling and won't restart.

    Checked so far;
    Oil, coolant, ecm fuses, fuel shutoff Solenoid, checked power to fuel Solenoid steady at 12v, all wiring.

    Still won't restart and I'm not getting any smoke whatsoever coming from the stacks.


    Last time this happened it was the Cam sensor. But that was replaced 3 weeks ago.
     
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  3. boneebone

    boneebone Road Train Member

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    Could be bad ECM
     
  4. scoobertdoo

    scoobertdoo Road Train Member

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    Air in fuel lines? Clogger fuel filter?
     
  5. J.R.

    J.R. Light Load Member

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    Check fuel pressure at com port. I had the little gear on front of fuel pump strip out. Stops em dead.
     
    BoxCarKidd Thanks this.
  6. Inderjit

    Inderjit Heavy Load Member

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    Speed Timing sensor? A common failure item.
     
    BoxCarKidd Thanks this.
  7. BoxCarKidd

    BoxCarKidd Road Train Member

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    New does not always mean good.
     
  8. Ruben01

    Ruben01 Bobtail Member

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    Feb 1, 2022
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    Take off the fuel filter and see if u r getting fuel
     
  9. Ruben01

    Ruben01 Bobtail Member

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    Feb 1, 2022
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    Probably a clogged fuel line try n start it with starting fulid
     
  10. truckinhermit

    truckinhermit Bobtail Member

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    Sep 12, 2021
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    Looked into it further. Fuel pump isn't even pumping fuel. Filter is full. No clogs anywhere. It's not even pumping past the pump jumped. So this new part is already toast.

    Since I'm not cummins certified they won't warranty the #### part without me going to a cummins certified shop.

    So tired of this crap.
     
  11. xsetra

    xsetra Road Train Member

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    What new part is toast?
    If your fuel pump isn't working, could be the spider gear gave out. It's not metal.
    Like JR said.
     
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