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 … read more

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’ … read more

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 … read more

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 … read more

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. … read more