Riffraff Diesel Technical Knowledge Center
Top 10 7.3 Powerstroke Scan Tool Readings Every Owner Should Know
May 21st 2026
A good scan tool can save you a pile of money if you know what numbers actually matter. Codes are useful, but live data is where the 7.3 starts telling on itself. Hard start, no-start, low power, smok
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7.3L Powerstroke Injector Tear Down: What's Inside?
Posted by Adam Blattenberg on May 5th 2026
The 7.3 Powerstroke’s HEUI injection system relies on oil pressure to fire the injectors. Unlike most light duty diesel injection systems on the road today, where the pump (CP3, CP4, VE, VP, etc
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7.3L Powerstroke HPOP Replacement - Step By Step How To
Apr 24th 2026
If you are replacing the HPOP on a 7.3L Powerstroke, having a step-by-step guide matters. These instructions cover the required parts, recommended tools, pump installation, IPR reassembly, oil refill,
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Common 4x4 Problems on 1994–2010 Ford F-250/350 Trucks: Symptoms, Causes, and Fixes
Apr 21st 2026
If you are chasing 1994–2010 Ford F-250 4x4 problems, the good news is most of them follow a pattern. On the 1994–1997 OBS trucks, the biggest issue is usually the automatic locking hubs.
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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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