The VALEO 366165 Crankshaft Position Sensor is a critical component for modern engine management systems. It accurately monitors the rotational speed and position of the crankshaft, providing essential data to the engine control unit (ECU). This precise information allows the ECU to precisely control fuel injection timing and ignition timing, which is vital for efficient combustion, optimal power output, and reduced emissions. A malfunctioning sensor can lead to various drivability issues, including rough idling, stalling, and difficulty starting. VALEO, a trusted name in automotive components, manufactures this sensor to meet stringent quality standards. Its durable construction is designed to withstand the harsh under-hood environment, ensuring reliable operation and a long service life. Replacing a faulty sensor with the VALEO 366165 can restore proper engine function and prevent further damage.