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14 liter detroit will fire and start cold but when

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Jeremy A Smith, Oct 29, 2018.

  1. Oct 29, 2018 #1
    Jeremy A Smith

    Jeremy A Smith Bobtail Member

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    Jul 25, 2015
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    but when it has been ran and got to running temp it will just turn over and not fire... let it sit 20 minutes and it fires up like a brand new truck..It isn't losing prime... it isn't running rough...doesn't miss.. The only thing I can figure is the ecm is not telling the injectors to pour fuel...or I have a wire breaking down going from the ecm to the fuel pump or the injectors......I checked the fuel filter for fuel...I sprayed starting fluid and it fired for just a second and died.. I also checked the ecm wire from the batteries to the ecm...
     
    Jeremy A Smith, Oct 29, 2018
    Jeremy A Smith, Oct 29, 2018
    #1
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  3. Oct 29, 2018 #2
    Call_Me_The_Breeze

    Call_Me_The_Breeze Medium Load Member

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    Dec 30, 2015
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    Where is the ECM located?
     
    Call_Me_The_Breeze, Oct 29, 2018
    Call_Me_The_Breeze, Oct 29, 2018
    #2
  4. Oct 30, 2018 #3
    I glide 47

    I glide 47 Road Train Member

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    Left side of the engine low and towards the back
     
    I glide 47, Oct 30, 2018
    I glide 47, Oct 30, 2018
    #3
  5. Oct 30, 2018 #4
    I glide 47

    I glide 47 Road Train Member

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    Can you borrow or rent a test ecm
     
    I glide 47, Oct 30, 2018
    I glide 47, Oct 30, 2018
    #4
    Call_Me_The_Breeze Thanks this.
  7. Oct 30, 2018 #5
    not4hire

    not4hire Road Train Member

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    When warm does it turn over at the same speed as when cold?
     
    not4hire, Oct 30, 2018
    not4hire, Oct 30, 2018
    #5
    Call_Me_The_Breeze Thanks this.
  8. May 22, 2019 #6
    2hot2handle

    2hot2handle Light Load Member

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    Aug 25, 2015
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    Is this a thing and if so how complicated is it to swap them out and set them up?
    I'd like to do this on my truck, same motor. Thanks
     
    2hot2handle, May 22, 2019
    2hot2handle, May 22, 2019
    #6
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