-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

Although “ECU” typically stands for engine control unit, that’s not always the case. It can also mean electronic control unit, which may be the same thing, but could also be something that has nothing ...

If you’ve never heard the term flashing an ECU before, no, it’s not showing a form of identification or using a photo flash—or any other type of flashing for that matter. Flashing an ECU is tuning or ...