Compression Ignition Addict
Join Date: Apr 2006
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Thanks guys. The EBP sensor was replaced last visit, along with cleaning the feed tube, the CPS was another part replaced without being bad. I took it back to them the other day with a list of things to check. While returning from a run to NC the other day(in my car, not the truck), I think I had a major epifany, perhaps from the Great and Almighty Diesel God, in that perhaps...just perhaps, this recurring, seemingly unfixable problem I've had stems from an intermittent electrical problem, ie either a frayed, corroded or shorting connector/wire(s) going to the IPR. I called a tech at Shultz Ford and he said that that would have been very high on his list of things to check first. It would seem to me, since all else has seemed to NOT be the problem, that if the signals/instructions were somehow corrupted after being sent by the PCM, (which it too was just replaced as being the "problem") that the IPR would operate according to those "instructions" and perform accordingly and would allow the pressures required to fire the injectors when it was needed. As for the the HPOP, it's my, again simplistic, belief that if the HPOP, or any of the various O-Rings were leaking, they'd leak ALL the time, under all conditions???. of course, this problem has rapidly gotten worse, and yet, sometimes it will leave me at a dead, gutless stop in the middle of the road while the last time I was at least able to get it back home (about 50 miles) without it losing power completely, and on back to Allegheny Ford (whom, I might add, admitted that they never checked the electrical aspect). One thing Tracy did say, and I need some EXPERT advice here, that there "could" be a problem with the PCM relay, which appears to feed power to the IPR, Bob (his co-hort) says no..that can't be because it provides the 12v power to the PCM as well and if it was bad, or going bad, the PCM wouldn't power up. As of yesterday afternoon (friday 2/9/07) they still haven't gotten it inside to take a look at it. I think I'm gonna be needing a miracle here cause I'm fast running out of money to pay for repairs that don't fix the problem. If any Pro out there can /will let me know about this latest idea, including the possibility of the PCM relay going bad, I would be eternally grateful.
Howard (disappointed PSD owner)
Last edited by howardtm; 02-10-2007 at 05:29 AM.