News & Updates
7.3 Powerstroke PCM Code Locations (1994–2003) + How to Decode What You’re Looking At
Feb 6th 2026
Ford didn’t make it easy: on a 7.3 truck you’ll see multiple “PCM codes” that mean different things (hardware vs. software vs. emissions calibration). The trick is knowing wher
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Every Recall Issued For the 1994-2003 Ford Equipped with the 7.3L Powerstroke
Feb 6th 2026
There’s dozens of recalls associated with our trucks. Some of these we’re all aware of, some are news to us, and some (the mass majority) truck owners were never even told about. It’
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PHP Hydra Chip for 7.3 Power Stroke (1994–2003)
Feb 2nd 2026
At Riffraff, we stock the PHP Hydra Chip because it fixes the two biggest problems with old-school 7.3 tuning: not knowing what tune you’re on and being stuck with whatever tune was installed ye
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7.3 Powerstroke Stainless Injector Cups: Why Billet Stainless Beats Brass (1994–2003)
Feb 2nd 2026
Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c
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7.3 Powerstroke Billet Thermostat Housing for 1999–2003: Fixing Corrosion and Coolant Leaks
Feb 2nd 2026
A 7.3 Powerstroke thermostat housing leak often starts small—coolant smell, dried residue near the upper hose, or a slow drip that usually only shows up after a heat cycle. On 1999–2003 7.
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