Oil everywhere
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Mountain Pass
Joined: Feb 2013
Posts: 152
Likes: 21
From: N. Scituate, RI
Oil everywhere
So, I was working on my truck and was running it for a while when all of a sudden it started stumbling and then shut down and won't start back up. It sounded like it ran out of fuel and the gauge was at a quarter tank. I had already replaced the pickup screen but I took a look inside the tank and there's oil in the fuel. So, I was going to check what was inside the fuel bowl but I can't get the cover off, I ordered the OTC tool for that so will be a few days. I decided to check the oil level and it's way high on the dipstick and smells of diesel. So I have fuel in the oil and oil in the fuel.
Truck is a 96 F250 with stock fuel system. I could use some guidance here as from some of the other posts I've read here it could be anything from the fuel pump dumping fuel into the crankcase, injector o-rings to bad injectors. What say you?
Truck is a 96 F250 with stock fuel system. I could use some guidance here as from some of the other posts I've read here it could be anything from the fuel pump dumping fuel into the crankcase, injector o-rings to bad injectors. What say you?
Lead Driver
Joined: May 2009
Posts: 6,807
Likes: 704
From: Tobyhanma, PA
Without doing more troubleshooting I'd say its more an injector issue, maybe o rings. Sounds like you lost your high pressure circuit. That will cause the truck to stumble and die since the injectors aren't firing, it'd be the same symptom as if it ran out of fuel.
Failing orings could allow the fuel and oil to mix.
How's the coolant look?
Ive not looked at the mechanical pump on these in awhile, but it doesn't seem likely that oil would be able to get into the fuel that way.
Failing orings could allow the fuel and oil to mix.
How's the coolant look?
Ive not looked at the mechanical pump on these in awhile, but it doesn't seem likely that oil would be able to get into the fuel that way.
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84-250
1994.5 - 1997 7.3L Power Stroke Diesel
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Jun 12, 2012 09:05 AM
