Another High Pressure Oil Issue - Ford Powerstroke Diesel Forum
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Old 06-01-2013, 12:19 PM
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Another High Pressure Oil Issue

Well, a week after installing a BPD oil cooler and an MTW stage 1 turbo, (both of which I am really happy with thus far), I came out to go to work and get a crank no-start. I did see ~350 PSI icp pressure on my CTS, I was in a hurry to get to work and didn't look very hard. I'm thinking IPR issue, I need to go home tonight and hook up AE.
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Old 06-01-2013, 12:24 PM
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Update... I went out and hooked up my AE and cranked on the truck to record some data, and just as I was letting off of the key, the RPM started to climb. It was 10 or 12 seconds, so I tried to crank it again and it started after about 10 more seconds. So I took it for a drive and stood on it and got 4000 PSI ICP. So now I am thinking I need to pull the IPR and check the screen, I feel like it had trash in it holding it open. does this sound reasonable?
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Old 06-01-2013, 12:42 PM
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It sounds more like a HPO leak to me.
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Old 06-01-2013, 08:28 PM
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More info, decided to take the truck to find a fitting to test the hop system, and it is starting in less than 2 seconds of crank time hot and cold and acting like nothing ever happened...


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Old 06-10-2013, 05:41 PM
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Well that lasted about 3 days, on the forth day no start again, now ICP reads about 250 psi. I ordered an IPR socket, an adapter to do the air test and an IPR pigtail, well the socket came in so I pulled the ipr, and it doesn't have a screen on it. could it still be in the housing? how does it attach on the ipr valve? could I crank the truck and purge the ipr port with oil?
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Old 06-10-2013, 07:16 PM
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the screen is stuck in the housing. Just use a pick to get it out.. Or do what I did and suck it out with a vacuum cleaner. No need to purge
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Old 06-11-2013, 08:11 PM
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Got my screen out today, thanks, 04cr450, about half of the lip is missing, the screen is concave shaped, it had a fair amount of grit on it, but no metal, and the screen is split as you can see.




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Old 06-11-2013, 08:16 PM
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I also got my pigtail today and was testing the valve in hand and it clicks when voltage is first applied, but it needed about 5 seconds to open back up, is this normal operation? My guess is it opens a lot faster when exposed to hp oil.


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Old 06-12-2013, 05:54 AM
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Based on your screen, you should just change out the IPR. You may be able to clean it, but you won't know the integrity of the regulator going forward. However, now that you have the socket, you could live in the fast lane as long as you have the new one ready to install. Of course, it ussually will break away from home, at night, when it is raining and you need to be somewhere!
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Old 06-12-2013, 05:55 AM
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Quote:
Originally Posted by twoicebergs View Post
Based on your screen, you should just change out the IPR. You may be able to clean it, but you won't know the integrity of the regulator going forward. However, now that you have the socket, you could live in the fast lane as long as you have the new one ready to install. Of course, it ussually will break away from home, at night, when it is raining and you need to be somewhere!
Ain't that the truth.
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