another crank no start problem. - Ford Powerstroke Diesel Forum
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Old 10-24-2011, 01:26 PM
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Angry another crank no start problem.

Okay here I go. I have a 97 F-250 that the engine was working fine and then would not start. I followed just about every advice on this forum and still nothing. I was told that the injectors were shot including the HPOP, so a friend offered me a 96 PowerStroke and I put it in the truck. The replacement engine came off a working truck that was totaled in a wreck. I still have the crank no start problem. I changed out the CPS (3times), IPR, IPC, ECM and IDM with brand new items, not donors from the old engine. I checked continuity on all wiring and it is good all the way back to the IDM and ECM. I am getting white smoke coming out of the exhaust as it is being cranked, but still no start. I have changed out both batteries and installed a new starter, because I fried the old one. I had a old rancher come by and he told me the IPR was not getting signal. I checked fuse 22.
I am thinking this is a wiring problem because the same problem on my original engine is occuring on the replacement engine. It turns out the original engine is perfectly fine. I have ordered another ECM from NAPA because everybody is telling me that there is no signal being sent to sensors or information is not being received from sensors. I have tach reading while cranking, I have a wait to start light coming on and then going off as it should be, not that it really matters because I am in Texas and the weather has been over 90 degrees.
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Old 10-25-2011, 12:07 PM
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Have u checked the crank sensor/crank sensor wiring?
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Old 10-25-2011, 12:22 PM
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Double check that the HPOP reservoir is full. It can drain down during extended cranking. What is ICP pressure during cranking? Need at least 500 to start.
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Old 10-25-2011, 02:09 PM
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That is the CPS is pigtail that I didn't check for continuity, but I assumed that its working fine because I am getting a tach reading and changed the CPS 3X. I will say that there is virtually no oil pressure but getting alot of oil (volume) from the HPOP. The resevoir is only about 1/2-3/4 low. My concern is that I am having the same issue with 2 different motors in the same truck. I keep thinking its also the HPOP, but I keep thinking it may be a wiring problem with the truck because like I stated it earlier, same problem with 2 different engines on same truck. I already checked with the dealer and they want 145.00 an hour to diagnose and then they state that it may take anywhere from 1 hours to 8 hours.
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Old 10-25-2011, 02:15 PM
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Quote:
Originally Posted by nussford View Post
Have u checked the crank sensor/crank sensor wiring?
That might be kinda difficult.....
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