Riffraff Diesel Technical Knowledge Center

7.3L Powerstroke Injector Tear Down: What's Inside?

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 … read more
7.3L Powerstroke HPOP Replacement - Step By Step How To

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, … read more
7.3 Powerstroke HPOP Resealing  - Step By Step How To

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 … read more