The engine control module (ECM), also known as the powertrain control module (PCM) or engine control unit (ECU), is a crucial component in modern vehicles that plays a significant role in the overall performance and functionality of the engine.

The ECM is essentially the brain of the vehicle, as it is responsible for monitoring and controlling various systems within the engine to ensure optimal performance, fuel efficiency, and emissions compliance.One of the primary functions of the ECM is to regulate the...
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