What is ECU? The Engine Control Unit (ECU), also known as the Engine Control Module (ECM), is a crucial component responsible for managing engine performance. It controls various functions such as fuel injection, ignition timing, and emission control, ensuring optimal efficiency and performance. The ECU receives input from sensors throughout the vehicle and adjusts settings accordingly to regulate engine performance. est ...

Understanding the role of these critical components in your vehicle's performance is crucial for diagnosing and resolving any potential problems. In this comprehensive guide, we will delve into the differences between these control modules, how they function, common symptoms of issues, and where to turn for reliable solutions. The ECM, also known as the engine control module, is a type of control module that manages various functions within the engine, such as fuel delivery, ignition timing, ...