The MEAT & DORIA 87051 Crankshaft Position Sensor is a critical component for modern engine management systems. It accurately monitors the rotational speed and position of the crankshaft, providing vital data to the engine control unit (ECU). This sensor's precise readings are fundamental for the ECU to calculate ignition timing and fuel injection. Without a functioning crankshaft position sensor, the engine may experience issues such as stalling, rough idling, or failure to start. Crafted with quality materials, the 87051 sensor is designed for durability and reliable operation under various engine conditions. Its direct fit design ensures straightforward installation, replacing your old or faulty sensor with minimal hassle.