This VALEO crankshaft position sensor, part number 254022, is designed to accurately monitor the rotational speed and position of the crankshaft. This critical data is sent to the engine control unit (ECU) to manage ignition timing and fuel injection, ensuring smooth engine operation. Proper functioning of the crankshaft position sensor is vital for preventing issues such as stalling, rough idling, and poor fuel economy. A faulty sensor can lead to the check engine light illuminating and significantly impact your vehicle's drivability. VALEO is a trusted name in automotive components, known for producing high-quality parts that meet or exceed original equipment specifications. This sensor is built to withstand the demanding conditions within the engine bay, offering durability and long-lasting performance.