This is a genuine VAG (Volkswagen Auto Group) engine control module (ECM), part number 03C906016CM. The ECM is the 'brain' of your engine, responsible for monitoring and controlling various engine functions to ensure optimal performance, fuel efficiency, and emissions control. This module plays a critical role in managing fuel injection, ignition timing, idle speed, and other vital engine parameters. By precisely processing data from numerous sensors, it makes real-time adjustments to keep your engine running smoothly and efficiently under all driving conditions. Replacing a faulty ECM can resolve a wide range of engine performance issues, including rough idling, poor acceleration, check engine lights, and starting problems. Ensure your vehicle's engine operates at its peak with this direct replacement part from VAG.
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