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Fuel problem???

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Old Nov 15, 2009 | 11:48 AM
  #1  
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dorsetmerv
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Fuel problem???

Hi Guys,
I started the truck up this morning with no problem and after idiling for a few seconds i switched the tanks over and it died! Since then it has refused to start. Have i somehow got air in the system. I have never had problems when switching tanks in the past. 1988 7.3 250.

Thanks for any light you guys can shed on the problem.
 
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Old Nov 15, 2009 | 12:38 PM
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Go up to the fuel filter, and there is a valve there that looks like a tire valve. Push on the valve and fuel should come out. If not, you definitely have no fuel to the engine.
 
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Old Nov 15, 2009 | 06:25 PM
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Your problem could be air intrusion.

Air leaking into the return lines lets the fuel in the fuel filter drain back to the tank.
When the air in the fuel filter reaches the injection pump, the engine stops.

If that was the case, switching tanks really had nothing to do with the engine stalling or the air you now have in the injection system.
 
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Old Nov 15, 2009 | 06:36 PM
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could it also be the selector valve gone out? does the truck run with the front tank or does it now crank set on any tank?
 
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Old Nov 15, 2009 | 08:06 PM
  #5  
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From: Mi'kma'ki
Originally Posted by Franklin2
Go up to the fuel filter, and there is a valve there that looks like a tire valve. Push on the valve and fuel should come out. If not, you definitely have no fuel to the engine.
no fuel comes out of mine when its not running.
 
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