3406e 5ek no start

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Jacobk123, Sep 25, 2022.

  1. Cdemars316

    Cdemars316 Heavy Load Member

    847
    5,173
    Nov 10, 2018
    0
    This might sound stupid but take your fuse located in the battery box (at least mine is) take it out and clean it and cleAn the connectors in the wiring harness. I had mine just shut off no warning going down the road and that was the only thing that got it going, now it is part of my service ritual when I do a service on the truck it includes cleaning and inspecting all battery terminals and that stupid fuse.
     
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  3. Sooner1000

    Sooner1000 Bobtail Member

    2
    0
    Dec 1, 2025
    0
    I don't believe my particular model has a fuse in the battery box, but we have checked to see if power is getting to the ecm, and it is. The problem we are having is that the injectors are not getting the signal to fire no voltage.
     
  4. Cdemars316

    Cdemars316 Heavy Load Member

    847
    5,173
    Nov 10, 2018
    0
    Mine was getting power to the ecm, until wiring moved a millimeter,then it wasn't, it was only intermittent stumbles, wouldn't show up at idle, truck would always restart, but then as soon as you'd take off it would start ####ting down and restarting.
     
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