Need some help...
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Posting Guru
Joined: Jul 2008
Posts: 1,285
Likes: 0
From: Jonestown, PA
Need some help...
I was on my way home from work and was driving about 10 minutes when all of a sudden I lost power big time. It was like it was running on 4 cylinders or something. CEL was on. I pulled off the side of the highway just to take a look under the hood. I left it running because I didn't want to shut it off and not be able to start it again along the side of a busy highway, and it was idling VERY rough. I don't know what it's like to pop an intercooler boot so I checked those, they were good. I didn't know what else to check so I got back in and limped it about a half mile to an exit then drove another mile til I got to a parking lot and pulled in. Shut the truck off. Sat for about a minute then started it up again and it ran fine. Drove all the way home fine, about 15-20 miles. Are these bad CPS symptoms? Help me out guys.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Sounds like the CPS to me Adam but my problem was the truck cutting off completely after starting out about a mile away, not every time though. I got to find a black one, my truck is running rough from this dealer installed gray one. Also, i got a SC code reader if you want to see if there,s any codes.
Last edited by big poppa; Mar 4, 2009 at 04:13 PM. Reason: SC code reader.
Posting Guru
Joined: Mar 2008
Posts: 1,104
Likes: 5
From: West Tx
UVCH. The under valve cover harness comes unclipped and will cause the engine to run like crap. Let me find a video clip to see if it sounds familiar... If it is the UVCH, you can take the covers off and plug the harness back in. You can also do the quarter mod which uses a shaved down quarter to hold the inner part of the clip up, making for a better hold.
Thread Starter
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Posting Guru
Joined: Jul 2008
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From: Jonestown, PA
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Posting Guru
Joined: Mar 2008
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From: West Tx
Miller beat me to it... anyway, here's a video clip of what my truck sounded like with a bad UVCH...
046.flv video by camodown1 - Photobucket
046.flv video by camodown1 - Photobucket
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Posting Guru
Joined: Jul 2008
Posts: 1,285
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From: Jonestown, PA
Well I checked the UVCH and everything is connected good. The wires aren't chaffed or rubbing on the VC. I don't know. Maybe Ford jinxed me with that damned recalled CPS letter I got yesterday. I'll have to get a new CPS. We'll see what happens. Could this be from a dead battery? If one battery dies will the truck fire up? I've still got the factory batteries and the window on the passenger side battery is red, but the truck starts alright and there is no battery light on the dash.
Posting Guru
Joined: Feb 2007
Posts: 1,244
Likes: 1
From: North Cackalacky
When my UVCH came loose it was on the inside, not outside. Therfore I had to pull the valve cover to find it.
Come to think of it, That was the first problem I had with my truck and thats how I found FTE.
Come to think of it, That was the first problem I had with my truck and thats how I found FTE.
Cargo Master
Joined: Apr 2007
Posts: 2,333
Likes: 1
From: St. Louis, Mo.
I guess I must be stupid - But I just don't understand why Ford cant get this cps thing right. The first batch was bad & now these arent much better( maybe worse) Seems almost convinient in this bad economy that these things are bringing them in more work , and screwing up these trucks. How hard can it be for all those R&D guys to get the cps right. Sorry -enough rant for now but the more I think about its kinda pissin me off
Posting Guru
Joined: Feb 2007
Posts: 1,244
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From: North Cackalacky
Mine did almost exactly as you described. It started running fine as quickly as it started running like crap. I was afraid to drive it at the time so I left it parked until I replaced the UVCH.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Yes. The plug is just loose, not disconnected. This will give you an intermittent connection which works sometimes and not others.