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Old 07-01-2009, 11:15 PM   #1 (permalink)
n448sj
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Join Date: Jul 2009
Location: Ohio
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2001 F250 7.3 cranks, fires and dies. won't run

OK, I have gone through a lot of this forum and haven't found a problem quite like mine. I have an F250 7.3 4wd automatic. I have owned it since new. It has 130,000 miles on it and the only time it wouldn't start was a couple of years ago. I replaced the GPR and it fixed the problem. The truck has always run fine, it is not chipped, it's bone stock. A few days ago, I went to use it and it cranked over fine, popped off like usual and then immediately died. I tried starting it again and again with no luck. I will try to give as much info as possible because I know it's needed to troubleshoot properly. I was a certified mechanic myself over 30 years ago. Things have changed just a little bit since then. Anyway, I was really stumped because the truck has always been dependable. Then I got to thinking. I had it parked at the base of a 120' tower for my wind turbine. Later last week, a thunderstorm rolled through while I was gone, and my turbine took a lightning strike. I know this because when I got home later that night I had a diode blown out in the rectifier in the turbine controller. Also, I talked to my neighbor the next day and he told me he saw a big bolt hit my place. So, I figure that my truck got a tickle. (That'll learn me to park my truck so close to the tower) I did a little research on the net and then I got under the hood of the truck. First, I pulled the plug off of the ICP sensor on the driver's side cylinder head. I tried to start it and it ran but very erratic. I then pulled the plug off of the EOT on the back of the HPOP reservoir. I tried it again. This time it ran like normal. I took it for a drive of about 10 miles, no problems other then the SES light. I borrowed a Snap-on scanner from a friend a couple of days later and my brother showed me how to use it. When I first read the codes, it showed 7 codes. They were as follows: P1280, P0198, P0380, P0470, P1210, P1211, P0705. After clearing the codes and experimenting more, we decided that the ICP sensor was bad. I ordered one and put it on this afternoon. I reset the codes and tried to start it. I still have the same problem. Before I start buying more parts, I would like some input from someone more knowledgable and experienced than me.(it wouldn't take much) I went ahead and pulled the plug off of the EOT sensor and the truck started up fine and ran fine again. Still have the SES light and I noticed that the overdrive off light on the shifter was flashing when in park. If i put it in drive and wait a few seconds, it will stop flashing. When I put it back in park, it will start flashing again. I don't think that it used to do that. I checked the codes again after changing the ICP sensor and I got these codes: P0198, P0380, P0340, P0470, and P1210. With all of these codes coming up, I am beginning to believe that the PCM is messed up. I just don't particularly like the idea of just buying one without knowing that it will fix the problem. Any help or input would be greatly appreciated.
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Jerry
2001 F250 Powerstroke
2006 Jeep Liberty CRD
2006 VW Jetta TDI RC2
2 Kubotas
Homebrew biodiesel
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