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N14 shuts down randomly

Discussion in 'International Forum' started by kev2809, Jul 11, 2017.

Page 3 of 7
  1. Jul 18, 2017 #21
    Hurricane69

    Hurricane69 Road Train Member

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    You can get the wiring harness for a couple hundred. They are easy to swap out. If the voltage gets to low it will shut it down. The engine position sensors have a tendency to leak oil thru the end and the oil runs down the wires causing issues. Sounds like you have a short.

    We have a 93 t600 with a n14 and have had the same issues. Also had problems with the solenoids in the battery box that powers the harness. You want to be careful of shorts with a n14. It's real easy to pop the caps in the ecm. They are around 4k for a new one and around 2.5k for a reman.
     
    Hurricane69, Jul 18, 2017
    Hurricane69, Jul 18, 2017
    #21
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  3. Jul 18, 2017 #22
    kev2809

    kev2809 Light Load Member

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    well.. after running around houston for nearly 2 hrs looking for someone with a scanner that fits (small diagnostic connector) i ended up in pasadena and left the truck with a mechanic. borrowing a friend's truck to get back to work until i hear something about mine. well see....
     
    kev2809, Jul 18, 2017
    kev2809, Jul 18, 2017
    #22
  4. Jul 20, 2017 #23
    kev2809

    kev2809 Light Load Member

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    picked it up last night. he said there were wiring problems on one of the connectors to the ecm. scanned it after fixing the wiring and everything showed good. i guess well see what happens. im going back to work in it today.
     
    kev2809, Jul 20, 2017
    kev2809, Jul 20, 2017
    #23
    Heavyd and Bakerman Thank this.
  5. Jul 20, 2017 #24
    rolls canardly

    rolls canardly Road Train Member

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    Go get 'em.
     
    rolls canardly, Jul 20, 2017
    rolls canardly, Jul 20, 2017
    #24
  7. Jul 26, 2017 #25
    kev2809

    kev2809 Light Load Member

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    well nvm..lol.

    cut off again
     
    kev2809, Jul 26, 2017
    kev2809, Jul 26, 2017
    #25
  8. Jul 27, 2017 #26
    Heavyd

    Heavyd Road Train Member

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    Is it logging any codes, like 434?
     
    Heavyd, Jul 27, 2017
    Heavyd, Jul 27, 2017
    #26
  9. Aug 3, 2017 #27
    kev2809

    kev2809 Light Load Member

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    i haven't had a chance to see the codes when they scanned it.

    i plugged up the driver side fuel lines a few months ago because my tank had a small crack in it. but it seems right around that time is when it starting cutting off on me. the past week ive been keeping the tank above half full to see if it makes a difference. seems if it gets below that or near quarter full i get these problems. not sure if its related but im kinda itching to get the other tank connected back
     
    kev2809, Aug 3, 2017
    kev2809, Aug 3, 2017
    #27
  10. Aug 3, 2017 #28
    Heavyd

    Heavyd Road Train Member

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    Hmm, usually a fuel problem like that, possibly sucking air, the engine will run really bad momentarily, sputter, surge, all that stuff. When the engine does cut out, does just die all of a sudden, or does it run rough first?
     
    Heavyd, Aug 3, 2017
    Heavyd, Aug 3, 2017
    #28
  11. Aug 3, 2017 #29
    kev2809

    kev2809 Light Load Member

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    thats the same thing i was thinking. almost like when a fuel filter is getting clogged.

    but with this, it just sputters a bit then shuts down. doesnt really feel like its gasping for fuel. although, when i go to crank it back up, it turns on then i can feel it sputtering like it wants to turn off then eventually does
     
    kev2809, Aug 3, 2017
    kev2809, Aug 3, 2017
    #29
  12. Aug 3, 2017 #30
    Heavyd

    Heavyd Road Train Member

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    That sounds more like a fuel problem.
     
    Heavyd, Aug 3, 2017
    Heavyd, Aug 3, 2017
    #30
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