-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 demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...

Electronic control modules (ECMs) are small, dedicated computers that control components and systems in vehicles or other machines. Automotive ECMs control the engine, the anti-lock braking system ...

MONTREAL, Que. — Relying on fuel efficiency data provided by the engine electronic control module (ECM) may not be good enough when making decisions regarding fuel economy, a new technical report from ...

Nissan North America, Inc. (Nissan) is recalling certain 2017-2019 Rogue Hybrid vehicles. Contact with the Electronic Control Module (ECM) bracket may damage the engine harness, causing a blown fuse.

Its great to open the hood of your car and see nothing but the motor staring back at you. Move up a few generations on any vehicle, though, and youve got miles of wiring snaking through every nook and ...