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Discussion Starter #1
I have a 2006 Ford F-250 4x4 6.0L Diesel. Just replaced HPOP, IPR Valve, Stand pipes and plugs, half FICM, Oil Cooler, and EGR Cooler. Truck is hard to start, and dies out and wont restart until next day. IPR jumps from 14.9% to 85.9% while cranking and ICP will not build past 340psi then falls while cranking. HEELLPPPPP!!!!
 

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Fuel it up again Dummy
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^^^^^^^ What they both said X3. You are going to need to get into the top end again and put in the updated parts. Once done you should have a good solid engine
85% IPR is saying it all.
 

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Discussion Starter #6
The truck starts cold perfectly fine but one it reaches operating temperature it shuts down as if the key was turned off. Anything for that?
 

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Fuel it up again Dummy
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^^^^^X2 What he just said.
The IPR controls your high pressure oil 100% the valve is completely closed and it does this to raise the oil pressure to make up for any loss in pressure, you should be no where near 85% while cranking and at the same time all the pressure it's making is 340???

You have a big leak in the hpo system.
 
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