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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Another ipr reading question

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Old Nov 16, 2019 | 05:19 PM
  #1  
Jack Hammond's Avatar
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Another ipr reading question

03 f250 6.0 built/studded auto 3.73 gears 40's tires sct canned performance tune

Been replaced in past 5kmiles
All oem ford parts
Injectors, turbo, icp, tranmission
Replaced past 500 miles just as a precautionary
Oil rail seals and nipples, hpop system seals, ipr, hpop

Hot idle ipr 21% 640 psi
Crusing 80 mph about 1800 rpm ipr 45% 2100 psi
Highway on ramp accerating 2800 rpm and under ipr will stay around 50-65% pressure gets up to around 3400 psi
wot ipr goes to 84% hits and holds 3100 psi regardless of rpm speed, acceleration seems to stay steady doesnt drop off


Question Is this a system oil pressure issue
Or is this because of the canned sct tune

Just with factory injectors I dont think I should be maxing the hpop out and has me concerned
 
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Old Nov 16, 2019 | 05:41 PM
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Pull the IPR and check the screen and check for debris in the valve. Those Ford pumps don’t have the best track record.
 
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Old Nov 16, 2019 | 08:03 PM
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Well pulled the ipr screen was intact but did find a small copper flake about 1/8th by 1/8th on the screen, I'm assuming its probably from hpop
 
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Old Nov 16, 2019 | 08:06 PM
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It is best to "pop" the screen off and push the pintle in and out to see if there is anything inside the valve (as SmackDaddy mentioned). There probably isn't anything inside if the screen is intact, but checking is the thorough approach IMO.

Edit - Others may have a better feel for it, but a particle that is 1/8 by 1/8 may not sound like much, but it might be enough to affect the top-end performance.

Start around the 9:00 minute mark on cleaning. It also mentions verifying the o-ring is good.

 
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