300 miles from home, problems ...
Lead Driver
Joined: Jun 2007
Posts: 7,760
Likes: 27
From: Hampton, Maryland.
Ranking in order of highest probability of my guess.
1. Bad/loose UVCH connection
2. Bad ICP
3. Bad IPR
That being said, they are all guesses without data. Get with Rich and get it hooked up and see what's going on.
1. Bad/loose UVCH connection
2. Bad ICP
3. Bad IPR
That being said, they are all guesses without data. Get with Rich and get it hooked up and see what's going on.
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Senior User
Joined: Jan 2016
Posts: 222
Likes: 0
From: Carnation
Ditto. The external connections are all tight, no damage, probably original. I haven't seen the internal ones. It might be time to replace them. Burnt out connections inside maybe.
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Senior User
Joined: Jan 2016
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From: Carnation
All are good guesses, but I am not eager to throw any more parts at this old truck. The HPOP and IPR seem to be doing what they should, and disconnecting the ICP made it run worse, not better. UVCH is a good guess, but I have no way to confirm or dismiss, unfortunately. I appreciate your input.
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Senior User
Joined: Jan 2016
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From: Carnation
Understood. I agree that is needed. I only have Torque Pro, and limited experience. The data I get on the HPOP and IPR seem inline with the norm, but I am no expert. I also see the injector pulse wave looking like it usually does. Beyond that I am out of my depth. Getting short on time, and unfortunately I am too far away from Rich. Too bad, it would be nice to meet the legendary wielder of the mighty Buckzooka . Ha ha !
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Joined: Jan 2016
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From: Carnation
We have 3 other F350's, and a Dodge 1 Ton Cummins to work the ranch. We are hauling hay with the Dodge and two of the other Fords. The third is always hooked to the flatbed trailer, or a stock trailer. I brought my truck over to help, but it went south as soon as I got here.
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
UVCH link in my signature will help a ton - so will the OBDII tool link in my signature. My day ran long because of the snow - and it aided in the sabotaging of getting my boat to this side of the state.
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Senior User
Joined: Jan 2016
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From: Carnation
Sorry to hear about the boat transport problems. The weather kinda fouled us up here too. It looks like I will be doing the valve cover gaskets and harnesses in the next day or so. Seems like the next step. Guess I might as well check torque specs while I'm there. Is it 120 lb/ft for injectors and 20 lb/ft for rocker arms ? My shop manuals are at home, and I can't remember for sure. I suppose you know the specs for the valve cover bolts off the top of your head ??? Just a wild guess ...
Hotshot
Joined: Jan 2011
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From: Puget Sound
According to the book (or at least my memory of it), 120 INCH pounds (don't reach for that breaker bar) on the injector hold-down bolts. 240 inch pounds on the rocker arm bolts. Ft/lb torque wrenches do not work on the injectors - they are picky little buggers.
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Senior User
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From: Carnation
Well, it's definitely not a wiring harness problem ...