GMC Sonoma 2.2i 120hp ECU Tuning File

The GMC Sonoma 2.2i 120hp (1997 - 2004) produces 120bhp and 190Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 210Nm, a gain of 20bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.