Spring, Texas - Help
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Senior User
Joined: Sep 2007
Posts: 335
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From: Richmond, Texas
My truck started stuttering, then finally lost almost all power. It will still start, but it's not "drive-able". I was low on oil and was hoping that was the problem, but it wasn't. I had a spare CPS so I changed it on the side of the road just for the heck of it. Not sure if it means anything, but after adding oil, letting the truck sit for 48 hours, then starting it, I noticed air bubbles on the dip stick when I checked the level. My biggest problem is that I had to park the truck in front of my ex-wife's house. I want to get it diagnosed and fixed ASAP. Anyone in the area who can diagnose it?
Not a liberal...
Joined: Jul 2006
Posts: 6,635
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From: Cut & Shoot, Texas
This member is close to you and is good with these diesels:
Ford Truck Enthusiasts Forums - View Profile: Toreador_Diesel
Ford Truck Enthusiasts Forums - View Profile: Toreador_Diesel
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Joined: May 2004
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From: Central Coast of CA
Stewart
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Joined: May 2004
Posts: 29,380
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From: Central Coast of CA
Also, Tor just texted me back and said he's in a bad reception area, but he'll be glad to help.
Stewart
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Senior User
Joined: Sep 2007
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From: Richmond, Texas
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Super Moderator
Joined: May 2004
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From: Central Coast of CA
He's out and about right now, so I'm sure he'll post up when he gets back home in front of the computer.
Stewart
Stewart
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Senior User
Joined: Sep 2007
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From: Richmond, Texas
I found a couple of problems, but not sure if they're the cause of my main problem. A wire on the IPR harness is exposed, and both wires on the heater plug harness are exposed. I taped-up the heater plug wires and checked fuses 22 and 36. Left the heater plug disconnected, but this didn't solve the problem. The fuses were good. I also swapped relays 302 and 303 before I started the truck. I didn't repair the IPR wire yet. I plugged it back in before I started the engine. Not sure if it matters, but the IPR connector had a little bit of oil on it when I unplugged it.
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Senior User
Joined: Sep 2007
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From: Richmond, Texas
Just to clarify, that is not my photo, but my plug & wires are in a similar condition. Both my wires are still connected to the plug, but the insulation is gone and the back of the plug either corroded or melted.
Elder User
Joined: Mar 2012
Posts: 534
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From: Quaker Hill
If it was me, that would be my number 1 suspect if my truck wasn't running. Both the ICP and IPR are sensors that deal with HP oil, which is critical in the 7.3. I don't remember which one it was, but you can run with one of those sensors unplugged. I think it's the ICP, but don't quote me on that...
