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1994.5 - 1997 7.3L Power Stroke Diesel  

NO fuel pressure

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Old May 9, 2006 | 08:26 AM
  #1  
insanezane's Avatar
insanezane
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NO fuel pressure

found a problem with my truck and i think this is why it is loosing power under load. I hooked up a fuel pressure gage to the small valve on the side of my fpr and when i started the truck the pressure bounced from 40 to 50 psi. as soon as i touched the throttle it would drop to 20 and then to nothing when under load. It would also take a couple of seconds to recover back to 40. my question is should i just go and replace the pump or is thier something else i could try. the filter is pretty new and i cleaned the fpr screen and no difference. any help would be appreciated. thanks FTE
 
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Old May 9, 2006 | 01:28 PM
  #2  
1997F-350's Avatar
1997F-350
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From: SHELTON, WA
sounds like the pump cant keep up. i could be wrong. its a pain of a job but well worth it to not pay someone to do it.
 
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Old May 9, 2006 | 09:13 PM
  #3  
cookie88's Avatar
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That sounds like a bad pump alright. It should maintain 50 psi throughout the driving range.
 
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