Apr 11, 2020 · 6.0L Power Stroke Diesel - Tests to verify a bad HPOP - One of the most common problem areas with the 6.0L engine is the high pressure oil system. (note this is a copy and paste of …

Jan 3, 2025 · The HPOP has nothing to do with the Oil pressure gauge or idiot light on the dash. Look elsewhere. Cold? Hot? Bad oil pressure switch? Old oil? Incorrect oil? Worn bearings? Low oil level? …

Apr 1, 2012 · I posted earlier, but still stumped. I found a video that sounded like my truck to a T. What are some things to look for in HPOP failure? I did notice when cranking the truck that it sounds …

Dec 5, 2022 · NOTE: the diagram below shows the '05 and up HPO system (identified by the HPOP). ... The high-pressure oil system is composed of two subsystems: Injection control pressure (ICP) …

Jan 16, 2025 · IMO the evaluation of the HPOP condition must be done with the pump full of oil (the HPOP has check valves that should keep it full of oil). If, when full of oil, there is air leakage …

Aug 30, 2023 · 2000 F250 with 7.3 and 315,000 miles. I was chasing oil leaks and resealed hpop, replaced hoses and hose plug/ends. It ran well for 50 miles after the repairs, then died like it was a …

Nov 21, 2024 · HPOP reservoir empty. I fill it up it won’t start. I see pressure on my dash but won’t turn over. If I hit it with starting fluid it fires up and runs fine. Can drive it no problem. As soon as I turn it …

Aug 3, 2007 · Guys, is it possible to take the high pressure oil lines off the high pressure oil rails, cap one of the lines off and tie the other line into a high pressure gauge. If its possible would this be an …

Feb 12, 2022 · In short, if your HPOP is original then i'd recommend replacing it and upgrading like you mentioned. Maybe @Corey@CNCFAB or @Patrick Feeley can elaborate on the HPOP differences …

Mar 4, 2024 · 01 7.3 HPOP and IPR questions 7.3 help asap hpop bad ipr icp Jump to Latest 3.3K views 13 replies 5 participants last post by PS_Nog Sep 24, 2025