Riffraff Diesel Technical Knowledge Center
7.3 Powerstroke HPOP Line Upgrade and JIC Conversion: Why it's a necessary upgrade
Apr 3rd 2026
If a 1999–2003 Ford 7.3 Powerstroke is leaving oil in the valley, one of the first suspects is the high-pressure oil (HPOP) hose and its STC quick-connect fittings. The upgraded Riffraff HPOP JI
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AutoEnginuity Scan Tool Installation - Step By Step How To
Apr 2nd 2026
The ScanTool Package Consists of:
AutoEnginuitySoftware
AutoEnginuityOBD‐II Interface (ST06)
USB 2.0 Interface and Cable
User Guide •Quick Installation Guide
Enhanced Activation Instructions (Bl
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7.3 Powerstroke HPOP Resealing - Step By Step How To
Mar 31st 2026
“If your Ford isn’t leaking oil, it’s time to add more oil.” It’s a common saying, and as far as we’re concerned, it’s false. At least for the 7.3 HPOP. Leaks
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7.3 Powerstroke Turbocharger Rebuild 1994.5-1997 - Full Step By Step How To
Mar 31st 2026
Required Parts:
Garrett TP38 Journal Bearing Rebuild Kit 94.5-97 (472617-0000)
Borg Warner Anti-Surge Compressor Wheel (Optional) (170293)
Riffraff Diesel Billet Compressor Wheel (Optional upgrade ov
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Engine Harness Assemblies: Why OEM Is The Way To Go
Mar 27th 2026
On a 20+ year old 7.3, the harness usually doesn’t “die” all at once. It fails the annoying way: intermittent faults, weird codes, random driveability issues, and electrical gremlins
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