Why would my truck stall then run then stall?

Discussion in 'Ford Truck Forum' started by Lonesome7.3, Dec 2, 2016.

  1. Lonesome7.3

    Lonesome7.3 Full Member

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    Since I am sitting on the side of the road waiting for a tow truck right now, I figured I would get some help diagnosing the problem. I have a 1988 F250 with a non-turbo IDI 7.3. I was at a salvage yard earlier driving up a steep hill and the truck died. It shows 3/4 of a tank. I sprayed some gasoline down the intake and the truck fired up. I drove to a gas station as I was pulling in it died again. I coasted to a gas pump sprayed a little bit of gas down the intake it fired up and ran again. I got to the intersection about to turn onto the Interstate and it died once again. Any ideas?
     
  2. Lonesome7.3

    Lonesome7.3 Full Member

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    I forgot to mention, when I left the first salvage yard I went to another one. I parked the truck, shut it off, and walked around for a little while. I came back and the truck fired right up without a problem. After that is when I went to the gas station and it died there.
     
  3. leolkfrm

    leolkfrm Full Member

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    fuel filter, diesel or gas? if diesel fuel shut off switch
     
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  4. Lonesome7.3

    Lonesome7.3 Full Member

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    Diesel
     
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  5. leolkfrm

    leolkfrm Full Member

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    then fuel filter, and shut off solenoid, make sure there is only 1 filter, back in the 80s gm had one on the return line also
     
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  6. Lonesome7.3

    Lonesome7.3 Full Member

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    I did not think of the solenoid being a problem.
     
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  7. dirtrider73068

    dirtrider73068 Moderator
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    Could be sucking air from somewhere, could be loosing fuel, not much on diesel just guessing the basics here.
     
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  8. MrMarty51

    MrMarty51 Full Member

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    The fuel shut off solenoids on any diesel would be the first suspect.
    I would start with that then go from there.
     
  9. Lonesome7.3

    Lonesome7.3 Full Member

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    The biggest problem will be getting it across the state back to my shop.
     

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