The ECM, short for engine control module, also referred to as ECU, engine control unit, is a critical component of the car communicating with the engine to ensure proper functioning. This engine ...

The engine control module (ECM) is known by many other names, including the engine control unit (ECU). Whatever it is called, it has the same function. This vital component sends messages to the motor ...

There was a time that vehicles didn’t come with sophisticated computer systems. Those cars and trucks used pneumatic and mechanical systems to regulate idle speed, valve timing, and fuel delivery.