The aFe SCORCHER HD module for 2002–2003 Ford Excursion 7.3L diesel (automatic) plugs into the ECM to adjust boost and fuel injection timing for improved power and drivability. Installation is completed at the ECM connector without wiring modifications, and a four-position cabin knob provides on-the-fly tuning. Compatible applications require ECM DPC-492 and the specific box codes named by aFe.
aFe Scorcher HD Performance Chip 02-03 Ford Diesel Trucks V8 - 7.3L Automatic