NEED HELP. Sudden lost of power, rough idle/loud knock - Ford Powerstroke Diesel Forum
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Old 09-22-2013, 04:53 PM
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NEED HELP. Sudden lost of power, rough idle/loud knock

Need some ideals on what to dig into first. This is my first diesel. My 2000 F350 SD (189,000 miles) which ran find and strong until yesterday, I was coming down the interstate when it just lost power and the check engine light came on. It also lost boost. All gauges were fine. Pulled over and looked under the hood. Truck started a louder than normal knock. After looking it over I decided to try and limp it home. Truck has almost zero power. Would only run 30-40 mph and would have to downshift on hills and slow down to 15mph. EGTs were several hundred degrees higher than normal. Boost would only hit 2-5lbs. Truck will start but idles very ruff and knocks. Check engine light is still on. Any help will be appreciated! Thanks! BEN
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Old 11-24-2013, 12:10 PM
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Check the wiring harness under the valve covers! If on is disconnected, apply a 50cent fix.
That happened to me a while back!
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Old 12-05-2013, 03:24 AM
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Quote:
Originally Posted by mikeprod92211 View Post
Check the wiring harness under the valve covers! If on is disconnected, apply a 50cent fix.
That happened to me a while back!
What's a 50 cent fix?
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Old 12-05-2013, 03:28 AM
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Originally Posted by Bart_3500 View Post
What's a 50 cent fix?
You put a quarter or two underneath the plug going into the valve cover gasket. It takes the slop out and keeps it from bouncing or coming apart from vibrations

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Old 12-05-2013, 03:32 AM
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Originally Posted by Colin7.3 View Post
You put a quarter or two underneath the plug going into the valve cover gasket. It takes the slop out and keeps it from bouncing or coming apart from vibrations

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Is that inside the valve cover or on the outside? I was just in there so I can visualize it.
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Old 12-05-2013, 03:43 AM
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Originally Posted by Bart_3500 View Post
Is that inside the valve cover or on the outside? I was just in there so I can visualize it.
Outside. Its the plug going in the valve cover gasket

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Old 12-05-2013, 07:54 PM
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In regards to the 50 cent fix.
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Old 12-06-2013, 07:23 AM
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Originally Posted by Colin7.3 View Post
Outside. Its the plug going in the valve cover gasket

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The video says that it won't work on the 02/03 7.3s I have the 02 and couldn't get anything to fit in there. So I guess I'm done and hope that never happens again. I do now have the injector harness I removed from the d.s. that was in useable shape. So I'll keep it and hopefully MANY years down the road I'll remember this if it happens again.
Thanks for the information.
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Old 12-10-2013, 08:06 PM
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I would check to UVCH or actually the harness that plugs into the outside of the valve cover like they said, and after clicking on the video, it hits right on the head. Let us know if this is the problem!
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