It might be time to check your car's Engine Control Unit (ECU), also known as the Powertrain Control Module (PCM) or Engine Control Module (ECM). Understanding the role of the ECU in your vehicle's operation is crucial to maintaining optimal performance and efficiency. The PCM oversees the engine and transmission functions in coordination with other vehicle systems. It regulates fuel delivery, emissions control, and transmission shifting for optimal performance. Problems with the PCM can ...

It might be time to check your car's Engine Control Unit (ECU), also known as the Powertrain Control Module (PCM) or Engine Control Module (ECM). Understanding the role of the ECU in your vehicle's operation is crucial to maintaining optimal performance and efficiency. The PCM oversees the engine and transmission functions in coordination with other vehicle systems. It regulates fuel delivery, emissions control, and transmission shifting for optimal performance. Problems with the PCM can ...