6.0L HPOP 911 - Ford Powerstroke Diesel Forum
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Old 04-28-2014, 04:57 PM
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6.0L HPOP 911

I had a no start issue with my 04 6.0L so I towed it to a local shop for scanning. The tech said the codes looked good except for an almost complete lack of oil pressure. Instead of the 400+ (I think) he said was needed for starting, I was getting a whopping 12 psi. Since I'd just replaced the IPR, he diagnosed the problem as a HPOP. I opted to do work myself and replaced the HPOP.

Still no start. I noticed before I tore into it that it was making a different sound in cranking. It's hard to describe, but sort of a whine as if there was no compression or power. Sort of like a gas engine does when out of time.

Is it possible there is a cam shaft issue or is there something else that's more common with the 6.0?
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Old 05-19-2014, 09:11 AM
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Wow...

You could have a failed bearing, thus failed LPOP.

You need to have LPO in order to create HPO, look at the oil filter housing, crank it and you should be filling the reseivor in about 5 seconds, if not, check the LPOP, take off the serpentine belt and the damper.
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Old 07-01-2014, 02:56 PM
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The sound and lack of oil pressure was something internal and likely catastrophic according to the tech. Probably a bearing, rod, or something else. We never quite got that far as to tear down the engine. We did diagnose an over use of either by someone trying to be a good samaratin and help my son get the truck off the road was the culprit. I ended up finding a wrecked 03 with a good engine that I picked up for a relative steal. The work was a PITA, but most of the kinks are worked out now and my new (to me) engine is pretty much bullet proofed.
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Old 07-02-2014, 04:11 AM
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Have your laid the air to the rail yet?
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Old 07-02-2014, 06:45 AM
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Quote:
Originally Posted by DieselBreathDude View Post
Have your laid the air to the rail yet?
The post above you is from the original poster and he got a new engine
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