The HELLA 6PU 009 110-851 Crankshaft Position Sensor is a critical component for modern engine management systems. It precisely detects the rotational speed and position of the crankshaft, transmitting this vital data to the engine control unit (ECU). This information allows the ECU to accurately control ignition timing and fuel injection, leading to smoother engine operation, improved fuel economy, and reduced emissions. A malfunctioning sensor can cause a variety of drivability issues, including stalling, rough idling, and difficulty starting. HELLA is a trusted brand known for its high-quality automotive electronics. This sensor is designed to meet or exceed original equipment specifications, ensuring reliable and long-lasting performance in your vehicle.