2001 Cummins N14 will not start, engine warning light on.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mission_creek, Feb 22, 2021.

  1. mission_creek

    mission_creek Bobtail Member

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    Parts department was running behind, just got it in the truck and STILL not wanting to start. Really got my hopes up there.
     
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  3. jamespmack

    jamespmack Road Train Member

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  4. pup

    pup Light Load Member

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    Check the fuel pressure at the shut down solenoid during cranking. Needs 25psi to start
     
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  5. Final Drive

    Final Drive Road Train Member

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    How about checking for voltage to the solenoid first
     
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  6. jamespmack

    jamespmack Road Train Member

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  7. mission_creek

    mission_creek Bobtail Member

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    Sorry I haven’t had time to check the fuel shut off solenoid today, had to dig a pond. Wound up taking the air compressor, charging up the brakes, hooked a chain to it and pulled it away from the trailer and hooked up the international. It might be a couple days before I can get back to it, unless I make it home before dark.
     
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  8. mission_creek

    mission_creek Bobtail Member

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    Fuel shut off solenoid is at 12 volts, solenoid clicks when wire is touched. I keep thinking it’s a fuel issue...but it turns over exactly 3 times and fires for a second, every single try. I got a good look at the gauges before I shut it off and everything was where it was supposed to be, besides the solid red engine warning light. Is there a low fuel pressure light or would it trigger the check engine light?
     
  9. pup

    pup Light Load Member

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    The ecm doesn't know fuel pressure. There isn't a sensor. Is the red warning lamp the stop engine lamp or a low oil pressure lamp?
     
  10. tommymonza

    tommymonza Road Train Member

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    Don't rule out fuel lines and pickups.

    If you fill the fuel filter does it run at all ?
     
  11. lwlevens

    lwlevens Medium Load Member

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    Put a hose in a bucket of fuel and see if it'll run that way, so you can narrow it down.
     
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