Internal oil leak?? Help!! - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 09-30-2018, 09:50 AM Thread Starter
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Internal oil leak?? Help!!

So I’ve had my 6.0 for about 6 months now and it is studded and deleted. I started noticing that when it was warm it would crank longer. Now it has gotten to the point where when it is warm it will not start anymore.

Last weekend I took it apart and check the STC fitting on the HPOP and it has already been updated. Since I had a new one I put it on and out all the o rings and baskets on. Still would not start when warm

I ordered standpipes and dummy plugs and a few days ago I finished acing them. The old ones were already the updated version. I did some some wear in the o rings but nothing bad. I wasn’t able to get the passenger side bottom half of the stand pipe out but from what I’ve heard (dieseltechron) the bottom standpipe part is usually okay.

So I’ve done the STC fitting new stand pipes and dummy plugs and still nothing....

I swapped out my buddy’s ICP sensor with mine and his started up fine and mine would not.

I ran some tests on it and everything seems okay at idle but when I am trying to start it when warm the ICP is showing about 220 psi and IPR at 84%

Once the truck is running I have ICP-580psi and IPR- 18% everything is fine once it is running. The truck runs perfect

I need help!! Any ideas? Thanks
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post #2 of 13 Old 09-30-2018, 06:12 PM
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The year of the truck would help.

Sounds like your IPR may be stuck open or hanging and cant close enough when hot. The 84% is 'commanded' value, but the valve has no feed back to know if it actually is closing.

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post #3 of 13 Old 09-30-2018, 07:24 PM Thread Starter
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post #4 of 13 Old 09-30-2018, 07:57 PM Thread Starter
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Also forgot to mention: I put in a new IPR but I use the truck everyday so I ended up getting once from autozone. Hopefully that won’t be an issue
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post #5 of 13 Old 09-30-2018, 09:08 PM
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Possible that your low pressure oil system is not feeding the HPOP enough when the oil is hot. Have you checked the low oil pressure? Also the drain valve in the oil filter base needs to seal to make pressure to feed the HPOP, a mismatched filter and cap will cause that valve not to close.

PS: over torque on the IPR can cause it to stick

In my defense, I was unsupervised
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General note:
For all those wanting a premium silicone sealer Kubota 70000-73764 is the best your gonna find. This is a hybrid gray silicone that uses solvent rather than acid to start the curing reaction, this makes it safe for aluminum and and any surface that involves coolant.

Last edited by Hydro; 09-30-2018 at 09:10 PM. Reason: post script
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post #6 of 13 Old 09-30-2018, 09:28 PM
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If you can see ICP pressure at 200 then i really wouldn't consider a low oil pressure concern but if you just want to put your mind at ease, pull the oil sender and hang an oil pressure gauge on it.
I see you mentioned a new STC fitting was installed that was laying around. If it is still is a snap to connect style, they changed it up and redesign it to basically a "T" fitting.
That way it can't come apart again.
I would command the IPR closed, remove the ICP and air check the high pressure system when its hot. Then listen for any noise.

Last edited by BLDP/MFIC; 09-30-2018 at 10:28 PM.
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post #7 of 13 Old 09-30-2018, 09:49 PM
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Quote:
Originally Posted by BLDP/MFIC View Post
a low pressure pump problem is normally consistent and will not change with oil temp. you can pull you oil pressure switch to check pressure if your low pressure pump supplies 100-300 psi your good then check you high pressure pump and so on and so forth
Best check those shop books again, the low pressure system does not run that high

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General note:
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post #8 of 13 Old 09-30-2018, 10:48 PM
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Quote:
Originally Posted by Hydro View Post
Best check those shop books again, the low pressure system does not run that high
Sorry Mr. Hydroponic but i fixed it. That's usually What happens when one of your buddies is sitting at your desk in front of your computer while your out in the shop.

They try and be MFIC!!
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post #9 of 13 Old 10-01-2018, 11:41 AM
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enough with the names

last warning EOD


and your buddy is using your account to post bad info ?


you had like 17 post just yesterday they were not all you ?

6.0 flush pdf
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post #10 of 13 Old 10-01-2018, 04:26 PM Thread Starter
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Can I get some help on what this could possibly be? Thanks guys
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