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General Discussion
7.3 - Random rough idle and power loss
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<blockquote data-quote="hlb3" data-source="post: 1558452" data-attributes="member: 16592"><p>I have been having a strange random issue with my truck (2000 F550), while driving down the road the check engine light will come on and it will start running really rough and it will lose power. It is totally random, it has happened anywhere from 10mph to 60mph, in 30* temp to 95* temp. When it happens, if I shut the engine off and start it back up the light goes out and it is back to normal. It isn't doing it consistently, it did it the first time back in July, then it didn't happen again for a month or so, then it happened 4-5 times in the last 2 months. Since I had a new spare CPS sitting in the glove box I tried changing that, but it did the same thing the next time I drove it. I also changed the fuel filter in October with no improvement.</p><p></p><p>When researching it, everything seems to be pointing to a loose plug on the UVCH as a cause, but it looks like everybody that has had the problem, the rough idle/low power problems are constant and not totally random and occasionally or cured by turning the truck on and off like mine.</p><p></p><p>I'm not really looking forward to pulling the valve covers to check since it is kind of a PITA, so I figured I would post and see if anybody else had any easy things to check first. :awesomework:</p></blockquote><p></p>
[QUOTE="hlb3, post: 1558452, member: 16592"] I have been having a strange random issue with my truck (2000 F550), while driving down the road the check engine light will come on and it will start running really rough and it will lose power. It is totally random, it has happened anywhere from 10mph to 60mph, in 30* temp to 95* temp. When it happens, if I shut the engine off and start it back up the light goes out and it is back to normal. It isn't doing it consistently, it did it the first time back in July, then it didn't happen again for a month or so, then it happened 4-5 times in the last 2 months. Since I had a new spare CPS sitting in the glove box I tried changing that, but it did the same thing the next time I drove it. I also changed the fuel filter in October with no improvement. When researching it, everything seems to be pointing to a loose plug on the UVCH as a cause, but it looks like everybody that has had the problem, the rough idle/low power problems are constant and not totally random and occasionally or cured by turning the truck on and off like mine. I'm not really looking forward to pulling the valve covers to check since it is kind of a PITA, so I figured I would post and see if anybody else had any easy things to check first. :awesomework: [/QUOTE]
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7.3 - Random rough idle and power loss
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