missing and no power with the check engine light
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New User
Joined: Feb 2010
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missing and no power with the check engine light
I have a 2002 f250 7.3 4X4 w/ about 107,000, it's missing and no power with the check engine light on, when we put the decoder on it, it says no codes passed all test and I have replaced the fuel filter I have no clue, any ideals would be great
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
The code reader you used is not compatible with Powerstrokes. Most generic code readers don't work on these trucks.
From the description of your problem, my first guess would be the UVC harness. It's a common problem with symptoms as you describe. Under each valve cover, the harness easily works itself loose over time. Ford has plastic tabs for the original harnesses to lock it in place, and new UVC harnesses are updated to correct the problem. Plastic tabs are much cheaper though.
However, without pulling the codes, it's a guess at this point. Best bet is to find a PSD compatible scanner and go from there.
From the description of your problem, my first guess would be the UVC harness. It's a common problem with symptoms as you describe. Under each valve cover, the harness easily works itself loose over time. Ford has plastic tabs for the original harnesses to lock it in place, and new UVC harnesses are updated to correct the problem. Plastic tabs are much cheaper though.
However, without pulling the codes, it's a guess at this point. Best bet is to find a PSD compatible scanner and go from there.
Post Fiend
Joined: Jun 2004
Posts: 9,293
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From: Parker, CO
Ford dealership. About $8 for the package, and has 3 small clip inserts in there along with install instructions.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
The UVC harness is where the wiring harness first goes under the valve covers. There are actually two separate harnesses. The one hidden directly under the valve cover is what pops off. Check those connections to see if they are loose.
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New User
Joined: Feb 2010
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that was backed out cool hope that will fix it glade I didnt get it back together yet ill let you know if its fixed
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Cargo Master
Joined: Mar 2006
Posts: 2,502
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From: Bend Oregon
here is a link to a fix that only costs $.50 cents.
https://www.ford-trucks.com/forums/9...-cent-mod.html
IE the fifty cent mod, it will keep those UVC plugs nice and tight.
https://www.ford-trucks.com/forums/9...-cent-mod.html
IE the fifty cent mod, it will keep those UVC plugs nice and tight.
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Elder User
Joined: Dec 2007
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From: White Rock BC Canaduh
Leer,
Only out of curiousity. What did Ford charge for the clips?
Hope not too much more than a quarter.
Rick...
Only out of curiousity. What did Ford charge for the clips?
Hope not too much more than a quarter.
Rick...
Elder User
Joined: Dec 2007
Posts: 784
Likes: 1
From: White Rock BC Canaduh
Ouch, but I know what it's like when you just don't want to mess around with fabrication (even if only a quick grind of a quarter) or don't have time. Sometimes it's just nice to go OEM.
Rick...
Rick...
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Damn, the charged me $8 for mine. But then again, the people at the parts counter knew me, and they were getting ready to shut down the dealership, so they probably gave me a discount or something.
At any rate, glad you got it fixed. And glad it was something simple.
At any rate, glad you got it fixed. And glad it was something simple.
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