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Old 09-22-2007, 07:29 PM
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6.0L Hot no start

I'm working on a 2003 F-250 with a 6.0. I have a no start condition when the engine coolant temp gets above 170 degrees. I've checked base engine oil pressure, air test, and head block off test. I've replaced #2 injector, IPR, ICP, both stand pipes, and two different high pressure oil pumps. If anyone out there has any advice, I would be glad to hear it. Thanks.
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Old 09-22-2007, 07:39 PM
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to the ORG. If I remember right, the hot no start can be a crack in the HPOP. Not 100% sure though. Maybe Marc or Scott will chime in here and let ya know for sure.
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Old 09-22-2007, 09:09 PM
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i would love to know ICP when you cant get it to start...

air checking the HP oil system would be the first place to start....
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Old 09-23-2007, 06:35 PM
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When the engine won't start, ICP is at 370psi, and .61 volts. While cranking, IPR increases to 84.77%. I've gotten the engine hot and removed the valve covers and blocked off each head individually. Pressure on each head was 1000-1400psi while cranking. Dead head the HPOP and it makes 3000psi. I've already installed two HPOP and the truck has never left the shop.
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Old 09-23-2007, 06:37 PM
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PM me and ill give you my phone number..
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