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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

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Old Nov 11, 2016 | 04:56 PM
  #1  
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Steven Osuna
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no start

got a 2003 6.0 powerstroke cranks but wont start once it gets hot let it ste for a couple of hours and it fires rivht up allready replaced high presure pump no leaks visable and when running its great will run till run till fuel runs out please send suggestions on what to check thanks
 
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Old Nov 11, 2016 | 05:50 PM
  #2  
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I have an 05 that had the same problem. Your 03 is different but is still a high pressure oil problem. Stand pipes ? Someone that is more familiar with your 03 will chime in.
 
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Old Nov 11, 2016 | 06:00 PM
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Likely insufficient ICP due to leak in HPO system. If you have Scan Gauge II or other monitor check ICP numbers, verify above 500 psi.

If not above 500, begin leak testing. Use IPR air test tool and listen for leaks.
 
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Old Nov 12, 2016 | 12:58 AM
  #4  
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I had one do this randomly. I'd mess with stuff and think it was what I'd done that fixed it, and then it'd do it again a few weeks later. Finally figured out that it was wire chafing. I didn't figure out where because I sold the truck shortly thereafter, but whenever it'd do it, I'd just pull on the wiring harness in several places and it'd start up.
 
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