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Cummins N14 ECM 3408300

Discussion in 'Ask An Owner Operator' started by LoJackDatHo, Dec 20, 2020.

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  1. Dec 20, 2020 #1
    LoJackDatHo

    LoJackDatHo Medium Load Member

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    Where is everyone having the best luck getting ECM From? Midwest ECM IN Colorado? SIA in Illinois? Diesel ECM exchange in NC? Cummins said it’s obsolete part number. Gotta go aftermarket. Peterbilt said same thing. I’ve heard bad things from ECM KING in Texas. I believe my injector driver is bad in both ECM’s I have. Replaced wiring harness, EPS, pass through connectors, all 6 injectors. The problem seems to be moving. New Injector 5 failed, replaced it, the new #4 went down. Now I’m showing new #3 is down. Can’t be 3 out of 6 new injector failures. I know if you have injector failure it can knock out ECM injector driver which is what I’m thinking happened before I put new injectors in. Thoughts/Suggestions? Can’t find any bad wires or ground issue. But if anyone knows of something I might have missed, I’m all ears. Thanks in advance for help
     
    LoJackDatHo, Dec 20, 2020
    LoJackDatHo, Dec 20, 2020
    #1
    Coffey and feldsforever Thank this.
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  3. Dec 21, 2020 #2
    062

    062 Road Train Member

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    What micron fuel filter are you using? I ran a 5 micron when I had a n14.
    @blairandgretchen had a ecm repaired on a 12.7. Don’t know if they do n14.

    @spsauerland may have some suggestions.

    @SmokinCAT may know someone who rebuilds injectors.
     
    062, Dec 21, 2020
    062, Dec 21, 2020
    #2
    blairandgretchen and LoJackDatHo Thank this.
  4. Dec 21, 2020 #3
    DUNE-T

    DUNE-T Road Train Member

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    N14parts.com, that's where I bought mine. You can also send yours for a check-up and repair to Midwest Ecm in Colorado, will be way cheaper
     
    DUNE-T, Dec 21, 2020
    DUNE-T, Dec 21, 2020
    #3
    Coffey and LoJackDatHo Thank this.
  5. Dec 22, 2020 #4
    LoJackDatHo

    LoJackDatHo Medium Load Member

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    Is SmokinCat still on here? Haven’t seen him around on here but then again I’ve been pretty absent myself.
     
    LoJackDatHo, Dec 22, 2020
    LoJackDatHo, Dec 22, 2020
    #4
    062 Thanks this.
  7. Dec 22, 2020 #5
    pushbroom

    pushbroom Road Train Member

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    Cummins is dropping support for the N14 ecm. They have a bulletin out to convert it to a supported cm876 ecm but it requires changing the camshaft and some sensors/brackets.
    I have used midwest to repair n14 ecms in the past.
     
    pushbroom, Dec 22, 2020
    pushbroom, Dec 22, 2020
    #5
    blairandgretchen and 062 Thank this.
  8. Dec 22, 2020 #6
    LoJackDatHo

    LoJackDatHo Medium Load Member

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    Just so everyone knows, I tried a set of injectors remanned by Ambac International out of South Carolina I believe. 2 year warranty supposedly equivalent to the PX Cummins reman not the RX Rebuilt
     
    LoJackDatHo, Dec 22, 2020
    LoJackDatHo, Dec 22, 2020
    #6
  9. Dec 22, 2020 #7
    LoJackDatHo

    LoJackDatHo Medium Load Member

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    I didn’t know that. I’ll check into it. Thanks for the info
     
    LoJackDatHo, Dec 22, 2020
    LoJackDatHo, Dec 22, 2020
    #7
    blairandgretchen Thanks this.
  10. Dec 22, 2020 #8
    062

    062 Road Train Member

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    He popped in a week or so ago.
     
    062, Dec 22, 2020
    062, Dec 22, 2020
    #8
    LoJackDatHo Thanks this.
  11. Dec 22, 2020 #9
    LoJackDatHo

    LoJackDatHo Medium Load Member

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    Little update. Truck being put on CPU today. Thinking that running any injectors other than Cummins might be the problem. Getting a lot of feedback from guys saying the aftermarket ones just aren’t up to snuff. But will see later today for sure
     
    LoJackDatHo, Dec 22, 2020
    LoJackDatHo, Dec 22, 2020
    #9
  12. Dec 22, 2020 #10
    xsetra

    xsetra Road Train Member

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    I used SIA once. Not a fan.
    I was satisfied with Midwest.
    I was broke down in Des Moines, IA. with an oversize load. The dreaded "111" code. I called 3 truck dealers for prices. They all said Cummins had the only one in Town.
    I got a taxi to Cummins, $3,500.00. I told the salesman Truck Dealer had a lower price. He said. We aren't here to support you, we're here to support the dealers.
    At least they sold me the ECM and programmed it right away. I remember only waiting about an hour for the ECM to get a taxi back to my truck at the Truckstop.
     
    xsetra, Dec 22, 2020
    xsetra, Dec 22, 2020
    #10
    LoJackDatHo Thanks this.
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