Check engine light or other warning lights Poor fuel efficiency Engine misfires or stalling Unresponsive acceleration Difficulty starting the car ...

Check engine light or other warning lights Poor fuel efficiency Engine misfires or stalling Unresponsive acceleration Difficulty starting the car ...

The ECU, PCM, and ECM are electronic control units responsible for managing various aspects of your vehicle's operation. Each component plays a critical role in ensuring your car runs smoothly and efficiently. Here's a breakdown of what they do: The Engine Control Module (ECM) is another term used interchangeably with the ECU or PCM, depending on the vehicle manufacturer. It performs similar functions in monitoring and regulating engine performance but may have slight variations in design and...