The MAGNETI MARELLI 111040211106 Crankshaft Position Sensor is a critical component for modern engine management systems. It accurately detects the rotational speed and position of the crankshaft, sending this vital information to the engine control unit (ECU). This data is fundamental for the ECU to precisely control ignition timing and fuel injection. By ensuring these processes are perfectly synchronized with the engine's mechanical cycle, the sensor contributes directly to smooth engine operation, reduced emissions, and improved fuel economy. A malfunctioning sensor can lead to various drivability issues, including rough idling, stalling, and difficulty starting. Manufactured to meet stringent quality standards, this sensor is designed for reliable and long-lasting performance. Its direct fit design ensures compatibility and ease of installation, making it a dependable choice for replacing a faulty original part.