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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

2004 LOW POWER PLEASE HELP

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Old Aug 19, 2012 | 11:42 PM
  #31  
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Hunterisdavid
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Wow i'm so glad tO hear that. I have figured out the problem I think. I ran a hpop test with a friends computer except this time I tested it with the truck at normal running temp. I feel stupid for just thinking of it, but it seems to only drop pressure when engine exceeds about 140 degrees. (oil temp was 156ish) I was
 
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Old Aug 19, 2012 | 11:46 PM
  #32  
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Only starting it to run tests to keep from messing something up that could have been prevented so it was always cooler than normal. Does this all make sense?
 
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Old Aug 20, 2012 | 12:40 AM
  #33  
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I dont think your issue would be the type that running it would hurt or make things worse

take your operating values how i posted in post #17

that applies to all sensors/valves

Post ICP & IPR% & Baro & MAP & EBP
 
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Old Aug 23, 2012 | 10:59 AM
  #34  
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Hey guys, sorry I have been so slow replying lately. I have been swamped. I was never able to get the results for "blades", but I did find the problem and the truck is running great now! Even though It may not seem like it, y'all REALLY helped me allot! I can't thank you enough! The problem was the electric fuel pump under the driver on the frame. It had corroded so bad it ruined the pump!?! It was only making 10 PSI!
What causes this to happen?
 
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