The engine control module (ECM) in a modern car is a highly advanced computer that is responsible for managing and regulating the engine’s performance.
It is an essential component that ensures the engine runs smoothly and efficiently. In the case of a Lexus LS, for example, the ECM controls a wide range of functions including fuel injection, ignition timing, idle speed control, and emissions. It constantly monitors various sensors throughout the engine and makes adjustments as necessary to optimize …