VERY Violent Misfiring HELP! - Ford Powerstroke Diesel Forum
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Old 04-19-2013, 05:20 AM
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VERY Violent Misfiring HELP!

Ok so every once in a while my engine misfires so violently to the point where it will jerk the truck forward while I have my foot on the brake. It's even stalled out on me one time. Lately it's been doing it a lot more often, so i took it to a buddy of mine who works on 7.3s and he said it's probably just the UVCH. So, i looked up some videos on youtube of 7.3s with problems with the UVCH and none of them seem to run anywhere near as bad as mine does when it misfires. I was wondering if anyone knows what I can do to diagnose the problem or if anyone had ideas of what it could be. Thanks.
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Old 04-19-2013, 05:29 AM
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And there's no check engine light or anything by the way
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Old 04-19-2013, 06:34 AM
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Quote:
Originally Posted by Mzarlenga View Post
problems with the UVCH
you answered your own question...might be both and thats why its worse, I'd start there.
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Old 05-03-2013, 03:25 PM
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Physically inspect your UVCH and I bet you will find your problem. It's not that difficult to remove your valve covers.
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Old 05-03-2013, 03:33 PM
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When my driver's side UVCH went bad, that 1/2 the engine was not firing. It shook it pretty bad. I did have the CES lit, though.
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