The Engine Control Unit (ECU) is a fundamental component of modern vehicles, responsible for managing the engine's performance. It controls various functions, including fuel injection, ignition timing, and idle speed. Essentially, the ECU acts as the brain of your car, monitoring and adjusting parameters to ensure optimal operation. While the ECU focuses primarily on engine functions, the PCM provides comprehensive control over the entire powertrain system. This distinction is crucial in unde...

The Engine Control Unit (ECU) is a fundamental component of modern vehicles, responsible for managing the engine's performance. It controls various functions, including fuel injection, ignition timing, and idle speed. Essentially, the ECU acts as the brain of your car, monitoring and adjusting parameters to ensure optimal operation. While the ECU focuses primarily on engine functions, the PCM provides comprehensive control over the entire powertrain system. This distinction is crucial in unde...