2000 F-250 loss of power - Ford Powerstroke Diesel Forum
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Old 11-22-2011, 10:41 AM
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2000 F-250 loss of power

I let my truck warm up for a few minutes while I was scraping snow and ice off the truck in +5 degree F weather, and started driving to work. About 15 minutes into the drive, the truck started losing power and died while I was going up hill. I got it restarted and was able to back down the hill and into a pull out, but now the truck runs very rough.

Oil level is fine, I use synthetic 5w40 Rotella T, fuel filter bowl was full and didn't look like it had any gelling. When the truck is cold it idles fine, but once it warms up the truck idles very rough and starts to die.

Any ideas? Thank you very much!
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Old 12-11-2011, 11:14 AM
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Update to rough running: Cylinder number 7 injector had torn lower o-ring, and ICP sensor was bad. ICP had oil under the connector, which likely would have resolved the issue without the need for pulling injectors. However, there was green fluid coming out of the tailpipe, which initially was believed to be coolant. With 200K miles on the truck there were a few concerns for injector cups or possible head gasket. I know on the 7.3 heasdgaskets are a rare occurance to fail. Long story short, the green was unburned fuel caused by the o-ring failure. Hope this may help someone else down the road.
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