Riffraff Diesel Technical Knowledge Center
7.3L Cam Position Sensor, An In Depth Look - How It Works, Wiring Diagrams, Voltage Readings, and More
Nov 30th 2025
The Camshaft Position Sensor (CPS) on the 7.3L Powerstroke is a Hall-effect sensor mounted on the front of the engine, positioned just above the harmonic balancer near the 11 o’clock orientation
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Up Pipes - How to choose the right set.
Posted by Adam Blattenberg on Nov 17th 2025
With so many options for up pipe replacements out there, it’s overdue to discuss what's what. We’ve seen them all; some are quality, some are not. We’ve seen all the issues, and we&r
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Fuel Pickups: Which one is right for you?
Nov 13th 2025
Fuel pickup options are everywhere—sumps, draw straws, high-volume pickups, or simply modifying the factory setup. Each solves a specific problem and improves fuel delivery in its own way. But w
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7.3L Powerstroke HPOP Failure: Symptoms, Diag and their Fixes.
Oct 24th 2025
The 7.3’s High Pressure Oil Pump is very reliable (fitting leaks aside…), but it can still fail or simply wear out over time. Diagnosing a failed HPOP can be fairly straightforward. Here&
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Stripped HPOP bolts? Read this before you order a new front cover...
Oct 16th 2025
Removing and reinstalling the HPOP on the 7.3L Powerstroke can cause headaches for many. The mounting bolts are threaded into the aluminum front cover, and well, the threads aren’t exactly the s
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