2006 6.0 broken ipr screen - Ford Powerstroke Diesel Forum
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  #1  
Old 12-31-2013, 01:12 PM
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2006 6.0 broken ipr screen

2006 F250 16,000 on the engine build 133,000 on the HPOP (I'm thinking now I should of replaced it while in there) I was driving along on the freeway when engine completely died. I tried restarting and saw during cranking no oil pressure on the dash. Using my AE scan tool I find I have zero ICP pressure when cranking. I unplugged the ICP sensor and still no start. LPOP is working fine and fills up the oil reservoir quickly.


I did the air test and changing the IPR duty cycle had no change so I suspect it was stuck. Also I removed the ICP sensor and cranked the engine zero oil spewed from the opening.

I removed the IPR and find the screen broken and only sceen pieces lodged in the solenoid. I didn't see any other debris in there non related to the screen. Also the tip was very brittle and cracked instantly when I tried to remove it.

What causes the screen to fail? I was reading that the screen breaks when HPOP is going out but I'm not sure if that's always the case. I've had no starting or driving issues until this happened. I don't want to put a new IPR in only to have to remove everything again if its the HPOP taking a dump. Lastly..is it possible that a stuck IPR can bleed off all the oil pressure in the rail? I was thinking even if it was stuck open that some oil would spray out of the ICP opening when I removed the sensor.

Thanks!

Last edited by makaveli200369; 12-31-2013 at 01:21 PM.
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Old 01-04-2014, 09:58 PM
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Too bad the screen is gone. Good at stopping HPOP guts. I'd say your HPOP has failed.
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Old 01-05-2014, 05:59 AM
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It maybe be just that some debris was still in the motor somewhere from the repair and when it got lost it took out the the screen. If it were me I would just replace the ipr and try it again. Seen this many times at my work someone brings in a truck states they had repair done somewhere else and later on while driving it shut off. Found the screen to be gone most of the time it's in the pump so make sure to get that screen out!!! Replace ipr with new and runs great again no problem with the hpop.


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Old 01-05-2014, 09:25 AM
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^^^^Agree 100%^^^

These engines move up to 18 gallons a minute through them and it all goes through the IPR one time or another. What most likely took it out was shop rag lint. Yep that's most common from wiping down engine parts during repair.
Mechanics in the know now all wear rubber gloves and everything is sterile clean during engine work. Vacuumed and reassembled.

There is a large screen prior to HPOP pump to keep debris out of it.
Replace the IPR and put some new oil 5W/40 and OEM filters on it.
You will be fine.

Last edited by mhatlen; 01-05-2014 at 09:28 AM.
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Old 01-06-2014, 07:42 PM
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i have a post in here somewhere about this, my died, as if i turned the key off, ice less then 100 and ipr 74.5, definte massive opening in the HPOP system, removed the ipr, the screen broke and stuck the valve open, what i noticed about the screen is over the miles is as progressively glogging, im guessing that it became so restricted it that the pressure of the oil just ruptured it, i noticed that other sections of the screen where cracking, i cleaned the valve and replaced the stc ... just because i bought the kit ... after i put back together it started right up *26 seconds of continuous cranking.
at 73k i dont think the pump is failing, i some what belive the oil might not have been changed regularly. the later psd high pressure pumps rarely fail, unlike the stc fitting

5150f250
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Old 01-16-2014, 04:44 PM
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My 07 f250 just had an egr delete and aftermarket oil cooler put in it. After driving it to colorado ( from Houston) and numerous miles around town, I took off to head to Florida only to break down in Beaumont, Tx... Not even 75 miles form the point of origin.
I had my cruise control on and went to go over an overpass. I touche the brake to turn the cruise control off and the truck died and would not crank. I'm getting 3 psi at the ICP, My oil gauge on the dash comes up to normal after cranking on it ( so my hpop is working), and I'm getting plenty of fuel to the injectors.

I just pulled the Drivers side valve cover and I pulled the dummy plug and stand pipe. They both look good and the o rings look good as well. They had dates stamped on them ( may 07, 2009) So they were change out about 2 years after the truck was purchased.

My truck has 118000 miles on it and has become a huge head ache.

Would the truck not crank if the screen on the ipr was clogged? The reason I'm asking is because of the recent work I just had done to the truck, maybe the screen was clogged with debris....

Someone HAS to know whats going on as I am completely dumbfounded. Please help.
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Old 01-16-2014, 10:23 PM
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From what I read usually after an oil cooler change the IPR screen becomes clogged if any debris collected in the oil galley. I would remove the IPR and inspect screen.

The broken screen caused me a 0 ICP and nothing showing up on the base oil pressure because the IPR valve was stuck open bleeding off all pressure.

Also if you're going through the trouble of removing the IPR you might use this special tool that allows you to pressurize compressed air from the IPR side. If you have any leaks you will instantly find out. I was able to pressurize mine and using a ball valve I sealed it and held pressure for quite a while.
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Old 01-16-2014, 11:59 PM
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Quote:
Originally Posted by Jwmelton View Post
My 07 f250 just had an egr delete and aftermarket oil cooler put in it. After driving it to colorado ( from Houston) and numerous miles around town, I took off to head to Florida only to break down in Beaumont, Tx... Not even 75 miles form the point of origin.
I had my cruise control on and went to go over an overpass. I touche the brake to turn the cruise control off and the truck died and would not crank. I'm getting 3 psi at the ICP, My oil gauge on the dash comes up to normal after cranking on it ( so my hpop is working), and I'm getting plenty of fuel to the injectors.

I just pulled the Drivers side valve cover and I pulled the dummy plug and stand pipe. They both look good and the o rings look good as well. They had dates stamped on them ( may 07, 2009) So they were change out about 2 years after the truck was purchased.

My truck has 118000 miles on it and has become a huge head ache.

Would the truck not crank if the screen on the ipr was clogged? The reason I'm asking is because of the recent work I just had done to the truck, maybe the screen was clogged with debris....

Someone HAS to know whats going on as I am completely dumbfounded. Please help.
You're sorta correct... IIRC the oil gauge working is a sign the LPOP is working, not the HPOP. The only way to see if the HPOP is working is with a monitor (CTS/Scangauge 2, etc) I could be wrong on that though.

Welcome to Beaumont btw
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Old 01-17-2014, 02:42 PM
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In order to know if you're HPOP truly is working or dead you need to have good base LPOP pressure. Then you need to verify there is no leaks in the system and the IPR and ICP functioning. If you have the same tool I used I pressurized the system with air and it showed 100psi on my ICP pressure. So at that point I knew ICP sensor was good and no leaks. After verifying that and the base oil pressure if you still had very low ICP when cranking it would be safe to assume the HPOP had died.
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Old 01-17-2014, 02:51 PM
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Quote:
Originally Posted by makaveli200369 View Post
In order to know if you're HPOP truly is working or dead you need to have good base LPOP pressure. Then you need to verify there is no leaks in the system and the IPR and ICP functioning. If you have the same tool I used I pressurized the system with air and it showed 100psi on my ICP pressure. So at that point I knew ICP sensor was good and no leaks. After verifying that and the base oil pressure if you still had very low ICP when cranking it would be safe to assume the HPOP had died.
My LPO is fine ( according to the mechanic who used his computer and give me the diagnosis)

I watched the screen as he was cranking and it wouldnt build HPO. We both talked it over and come to the assumption it was dummy plugs and stand pipes... but I removed the drivers side valve cover and looked at the dummy plugs and stand pipes and they were replaced in 09 or 10, before I obtained possession of the truck.

So I removed the IPR valve and sure enough the IPR screen had debris on it, thick in one spot, and a small rip in another.

I removed the hpop and I looked at the STC fitting, tugged on it and it didnt come off. My assumption now is the ipr has crud in it and it wont close to build oil pressure. ( since the screen was clogged in an area and ripped in another.)
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