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 …

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? …

Apr 1, 2012 · What's are signs and symptoms of HPOP issues Jump to Latest 91K views 10 replies 4 participants last post by roche837 Apr 2, 2012 Goldigger04 Discussion starter

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 …

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 …

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 …

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 …

Aug 18, 2024 · Im fully resealing hpop system and replacing hpop with dieselsite for.good measure. The discharge tube that was on the previous hpop was clicked into place and came …

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 …

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