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7.3 Stumble?
I have a 2000 250 7.3 6spd w/97k on it. It has a stumble around 10 minutes after running down the road. It acts like you just shut the key off and then turn it back on. After it does it, it will not act up again no matter how long you drive it until you shut it off. It does not seem to care if it's empty, or pulling my 5th wheel. But when I start it back up, it will do it almost every time 5-10 min after starting it. I changed the fuel filter, no codes, no lights, doesn't affect the cruise or radio. I figure it might be a temp sensor or something like that. Has anyone else had this problem, or can tell me where to start looking? Thanks
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7.3 Stumble?
My 2002 7.3 was doing that. I couldn't get no codes so I decided to just change the CPS and guess what it fixed the problem. But what you are describing in your post is exactly what my truck was doing. When it would start acting up I just floored the throttle. It usually worked through it but when it was actually stalling out is when I decided to change the cps (cam position sensor) before you go spend alot of money at a shop trying to figure out what is wrong with yoru truck I would get one of these sensors and swap out the one on the truck right now.
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It is the CPS, most people on the forum here say they usually get codes with a CPS problem, but for me everytime it seems that I have to diagnose a CPS I get no codes, the only odd thing with your problem is that you say once it happens it won't happen again untill you shut your truck off and start it again, and usually within the same time period, haven't encountered that but I do believe that it is the CPS....
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bottom line...replace the CPS and save the old one. You should have a spare in your glove box anyway just in case. If it fixes the problem....buy another one and put it in your glovebox. If it doesnt fix the problem.....put the old one in your glove box and we will try to help you further. This way you end up with a spare to get you home either way.
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Mine does the same thing, but will do it multiple times in a row. Usuall when I pull up to a stopsign and especilly when I'm pulling a trailer.
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