This MEAT & DORIA Camshaft Position Sensor, part number 87421, is designed to provide precise readings of the camshaft's rotational position. Accurate sensor data is crucial for the engine control unit (ECU) to manage fuel injection and ignition timing, leading to improved engine efficiency and smoother operation. Engineered as a direct replacement, this sensor ensures compatibility and ease of installation. It meets or exceeds original equipment specifications, guaranteeing reliable performance and durability under various driving conditions. Replacing a faulty camshaft position sensor can resolve issues such as rough idling, poor acceleration, and engine stalling.