3406e 5ek no start

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

  1. 07shaker

    07shaker Light Load Member

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    I had a driver sit beside the road for several hours on Friday because the ECM wire came loose from the battery and shut the truck down. It was just a sudden engine light flashing and it shut him down. This sounds like a similar scenario.
     
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  3. Jacobk123

    Jacobk123 Bobtail Member

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    Sep 25, 2022
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    Either got a reading on the tach but still not reading anything on cat et and no power to injectors. Tested injector circuit and the timing circuit and all passed. I have a service manual here that says on pin c on the cam sensor with key on should be less than 2v or more than 10. That passes. While cranking you should have 2-9v. I have 11. Screwing the sensor in and out made a slight difference in voltage but not quite getting me into the desired range. Tried this on the new cam sensor and the old one with the same results
     
  4. skallagrime

    skallagrime Road Train Member

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    Check your 12v pin for ignition on to ecm? Those go bad...

    Though with ecm power im assuming thats good
     
  5. Jacobk123

    Jacobk123 Bobtail Member

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    Sep 25, 2022
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    As i said before both powers and ground are good
     
  6. Kiah

    Kiah Bobtail Member

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    Hey. We’re you able to get it figured out?
     
  7. Perro903

    Perro903 Bobtail Member

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    I have the same exact problem. To the T. Did you figure it out?
     
  8. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Anyone tried to replaced the timing sensor ?
     
    skallagrime Thanks this.
  9. Perro903

    Perro903 Bobtail Member

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    Yes, wish it was as simple as that. Change sensor twice, reman ecm, overlayed wiring, watched waves with oscilloscope, had butt-load of mechanics/techs/engineers call and advise me and remoted in just to tell me what i already knew or already done. Bro im having dreams of this truck no joke. Im waiting on some components (stupid radioshack had to shut down) to build a signal generator and see what happens with that. Anything use lful would be IMMENSELY appreciated.
     
  10. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    Take a noid light and hook it to an injector solenoid with jumper wires then crank it. That will verify if it’s electrical or a mechanical issue.

    I get that you found all those issues with around the ECM. However it seems you’ve fixed all that and it still has a no start condition so it’s possible that all those issues were not your problem and you need to look elsewhere
     
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