03 6.0 fresh rebuild no start need help please - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 04-18-2015, 08:49 PM Thread Starter
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03 6.0 fresh rebuild no start need help please

im working on my dads 03 6.0 we had the engine completly rebuilt from top to bottom. got it back in the truck. when i tried to crank it i had no rpm or ficm sync and no codes. we replaced the cmp and ckp have gone through the wiring and found no issues. i have 5 volt refrence we have put another pcm and ficm in this truck with no change. i put his pcm and ficm in my 03 6.0 and starts and runs. my solus shows me i am not having cmp or ckp faults my ficm is at 48v my ipr stays at 15 percent my icp at koeo is .28 my icp will go to about 292psi while cranking i have base oil pressure. Also my icp desired stays at 0 while cranking . im trying not to spend 900.00 on a wiring harness and that not be my issue. i am lost and in need of any help or ideas please.
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post #2 of 5 (permalink) Old 04-19-2015, 01:55 AM
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Re: 03 6.0 fresh rebuild no start need help please

unplug ICP sensor and see if it starts. 290 psi is not enough to run.

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post #3 of 5 (permalink) Old 04-19-2015, 07:35 PM Thread Starter
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Re: 03 6.0 fresh rebuild no start need help please

I have done that it does not run. I think the reason
It's not running is I have no rpm and my icp desired
Stays at 0. I can't figure out why I have no rpm.
I know it needs 500psi but my ipr will not close at all
Without me puting my test wire on and applying 12volt
My icp actual will go to 3500 psi.
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post #4 of 5 (permalink) Old 04-19-2015, 11:43 PM
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Re: 03 6.0 fresh rebuild no start need help please

If you're not seeing any RPM then there's likely a sensor or wiring problem. With the other anomalies stated I'd be looking at wiring.

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post #5 of 5 (permalink) Old 04-20-2015, 04:50 PM Thread Starter
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Re: 03 6.0 fresh rebuild no start need help please

we have stripped the harness and found no obvious isses with it. we are trying to get a new wiring harness now and see what happens.
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