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6.4 died, wont start... ( I thought it gelled, mechanic thinks HPFP )
Hey all I have a 08 6.4 that is deleted and it has 177k on the ticker. A few days ago I did not add any additive until right before I drove the truck and temps were around -10. I had a full tank of fuel. I started the truck and let it warm up for a good 15 min then drove about 5 miles and it acted totally fine, then it lost power (going 60 put pedal down more noticed it wouldn't accelerate). It then died, and I was able to start it again and it ran horribly rough and I made it about 300 yards and it died again. It wouldn't start after that. I assumed it gelled.
So we checked the filter under the hood and it didn't appear to be gelled. We then towed it home and let it thaw out in 70* temps with a salamander heater blowing under it for a good 5 hours. Wont start, just cranks. Eventually it was to the point where it tried to fire a few times but just barely.
So we took it to our diesel mechanic and he does not think it gelled and he thinks it is the HPFP, but he still does not know if that is it or not. He changed both filters... He said it will not build pressure.
The codes I got on my mini maxx were: p0087, p2291, u3f00, u3f22, p006b, and p0196.
Does anyone have any ideas what it could be or do you think it is the HPFP? ( I sure hope not... don't want to dump thousands into a truck with 177k ) I am now afraid the truck is going to be a "ticking time bomb" and I plan on selling it once it is fixed and getting a 6.7 and just leaving it stock so I have a warrantee.
One other thing to note was I bought my fuel the night before this happened from Murphy USA (Walmart) and I am wondering if ****ty fuel didn't cause this because I never buy fuel there. I was down to 50mi to empty when I filled up.