-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 ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...

The comprehensive, self-tuning kits from companies such as Holley, Edelbrock, FAST, and MSD have made EFI conversion a truly bolt-on, DIY project, while the inclusive control module kits from ...