HPOP, ICP, IPR Questions-Help - Ford Powerstroke Diesel Forum
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Old 11-27-2010, 11:33 AM

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HPOP, ICP, IPR Questions-Help

I just installed the upgraded HPOP fitting kit that replaces the STC fitting. My truck was running fine & has 26K miles but I had the intake & turbo off to fix a minor oil leak & decided to install this kit while it was apart. Good thing too, the kit came with a new IPR screen & mine was plugged & collapsed. I also installed an Isspro HPOP plug & play gauge.

The truck seems to run very well with no issue for about the first 200 miles but there has been one issue. During warm up yesterday just after the truck went into fast idle, it idled up higher than normal & was erratic. I touched the brake which brought it down a bit but it was still erratic. I shut it down, restated it & it was normal with no CEL. I started it today & it seemed normal.

Here’s my question, my HPOP gauge pressure reading has a slight "beat" to it. like 50-100lbs, is that normal? its seems consistent, like, in time, like a heart beat, & when warm runs in the range of about 600 @ idle to 3800 @ WOT.
Just a bit worried about the erratic idle episode it had. In addition the ICP sensor was replaced last spring and along with the fuel filters.
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