This HELLA crankshaft position sensor, part number 6PU 009 163-491, is designed to accurately monitor the rotational speed and position of the crankshaft. This critical data is transmitted to the engine control unit (ECU) to manage ignition timing and fuel injection, ensuring smooth engine operation. Engineered for durability and precision, this sensor plays a vital role in maintaining optimal engine performance. A malfunctioning crankshaft position sensor can lead to various issues, including engine misfires, rough idling, stalling, and a check engine light illumination. Replacing a faulty sensor with this HELLA unit helps restore proper engine function and prevent further damage. HELLA is a trusted name in automotive components, known for its commitment to quality and innovation. This sensor is manufactured to meet stringent industry standards, providing a reliable solution for your vehicle's needs. Its direct fit design ensures compatibility with the specified applications, simplifying the installation process.