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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

need help diagnosing a no start fuel system problem

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Old Jul 14, 2018 | 09:36 PM
  #1  
court1100f's Avatar
court1100f
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From: Humble,Tx
need help diagnosing a no start fuel system problem

Ok what's already been done. New Fuel tank and low pressure sending unit, New Fuel Tank Selector Switch,New Fuel Pump Relay,New inline high pressure pump.

Ok. the problem it fights to start and once it does it sputters and with me constantly pumping the gas it barely and I mean BARELY runs at 600-1000rpm for about 1-2 minutes and dies..........What else could I possibly do to it to get it running I'm at a loss

Also the fuel filter was previous replaced
 
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Old Jul 15, 2018 | 09:50 AM
  #2  
rla2005's Avatar
rla2005
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What is the fuel pressure at the test port on the fuel rail? New parts does not necessarily mean good parts.
 
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Old Jul 24, 2018 | 10:12 PM
  #3  
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JerryGarcia047
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From: Benson
Check to see if you have bent push rods. I've owned a couple trucks that I purchased as projects, and they would run poorly and for short periods of time. I thought it was out of time, bad starter and pump. It ended up being bent push rods. This may not be the case with you if your engine
turns freely, so best wishes.



Originally Posted by court1100f
Ok what's already been done. New Fuel tank and low pressure sending unit, New Fuel Tank Selector Switch,New Fuel Pump Relay,New inline high pressure pump.

Ok. the problem it fights to start and once it does it sputters and with me constantly pumping the gas it barely and I mean BARELY runs at 600-1000rpm for about 1-2 minutes and dies..........What else could I possibly do to it to get it running I'm at a loss

Also the fuel filter was previous replaced
 
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