2003 Bad HPOP??
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
Air test it. Command the IPR closed, remove oil filter and cap, if you hear it gurgling.... you need a new pump. Remember, it's failing but not completely failed yet... why it won't hot restart. Do the air test.
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
Your making 360 psi oil pressure so unless you have some studded and nitrous tricked out compressor this air test won't work
My guess is pump
Regardless it's in the range only a deadhead test will show anything
Read my old thread on it there was a bunch of ways to troubleshoot it
Pull the discharge line off see if oil continues to just bleeds threw hpop
My guess is pump
Regardless it's in the range only a deadhead test will show anything
Read my old thread on it there was a bunch of ways to troubleshoot it
Pull the discharge line off see if oil continues to just bleeds threw hpop
Hotshot
Joined: Apr 2010
Posts: 19,061
Likes: 238
From: Saratoga Springs,UT
Maybe the outer HPOP CASE is just spinning
There was info to fix your pump if that case spun
Of coarse if the case spins LPO Usually higher psi then normal
You still need to post ICPV SO that sensor can be checked
There was info to fix your pump if that case spun
Of coarse if the case spins LPO Usually higher psi then normal
You still need to post ICPV SO that sensor can be checked
Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
I doubt you will find anything to fit in the IPR hole, it's a pretty odd size, unless there is a way to use a cork or something and then a rubber tipped blow gun, just thinking out loud here from memory.
The IPR set up that is advertised looks like a sweet set up but it's not cheap unless you wrench for a living.
The IPR set up that is advertised looks like a sweet set up but it's not cheap unless you wrench for a living.
Thread Starter
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Junior User
Joined: Aug 2004
Posts: 83
Likes: 0
I doubt you will find anything to fit in the IPR hole, it's a pretty odd size, unless there is a way to use a cork or something and then a rubber tipped blow gun, just thinking out loud here from memory.
The IPR set up that is advertised looks like a sweet set up but it's not cheap unless you wrench for a living.
The IPR set up that is advertised looks like a sweet set up but it's not cheap unless you wrench for a living.
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Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
Here is what you need. Pretty sure it's the smaller of the two, and IIRC correctly the other one will fit in the upper fuel filter bowl test port should you ever feel the need to monitor fuel pressure. I won't tell you the ICP thread is more common however, sorry to say, I would have sourced locally had I been able to do so.
As far as commanding the IPR? I rednecked it. Simply took two wires with and put ends on them, then used the battery to command it when I had air hooked up.
It takes some pretty small wire ends to get on those two male terminals on the IPR. Not the best way to do it but hey, it worked for me and I was in a pinch and new to the 6.0 at the time.
Be sure to get the polarity correct, IIRC it might make a difference but don't quote me on that. I was a bit **** about the whole thing at the time.
As far as commanding the IPR? I rednecked it. Simply took two wires with and put ends on them, then used the battery to command it when I had air hooked up.
It takes some pretty small wire ends to get on those two male terminals on the IPR. Not the best way to do it but hey, it worked for me and I was in a pinch and new to the 6.0 at the time.
Be sure to get the polarity correct, IIRC it might make a difference but don't quote me on that. I was a bit **** about the whole thing at the time.
Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
Read the last half of my post, it's the poor mans version if you don't have software to do so.....just be sure you don't have the IPR commanded for more than 20 seconds at a time, give it some time in between command tests if you need to do more than one. Commanded full stop for too long can burn them up
Pratt and Whitney eh? Are you on the engine side of things?
Pratt and Whitney eh? Are you on the engine side of things?
Thread Starter
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Junior User
Joined: Aug 2004
Posts: 83
Likes: 0
Read the last half of my post, it's the poor mans version if you don't have software to do so.....just be sure you don't have the IPR commanded for more than 20 seconds at a time, give it some time in between command tests if you need to do more than one. Commanded full stop for too long can burn them up
Pratt and Whitney eh? Are you on the engine side of things?
Pratt and Whitney eh? Are you on the engine side of things?
Thread Starter
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Junior User
Joined: Aug 2004
Posts: 83
Likes: 0
Could I have missed this? Before doing an air check, I wanted to see the IPR on the bench w 12 volts applied, I get nothing! No click and no movement, just silence.....if this thing is not operating correctly could this be my problem? It appears right now to be in the closed position meaning I cant get air through the end of the valve.....????