The MEAT & DORIA 87488 Crankshaft Position Sensor is a vital component for modern engine management systems. It accurately monitors the rotational speed and position of the crankshaft, sending this critical data to the engine control unit (ECU). This information is essential for the ECU to precisely control ignition timing and fuel injection, leading to improved engine performance, fuel efficiency, and reduced emissions. A malfunctioning sensor can cause a variety of issues, including hard starting, stalling, rough idling, and check engine lights. Crafted with quality materials, the 87488 sensor is designed to meet or exceed original equipment specifications, ensuring durability and consistent performance in various operating conditions. Proper installation and function of this sensor are key to maintaining the overall health and drivability of your vehicle.