The MEAT & DORIA 87638 Crankshaft Position Sensor is a critical component for modern engine management systems. It accurately monitors the rotational speed and position of the crankshaft, providing vital data to the engine control unit (ECU). This sensor's precise readings allow the ECU to precisely 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 rough idling, stalling, and difficulty starting. Crafted with quality materials, the 87638 sensor is designed for durability and reliable performance in demanding engine environments. It is a direct fit replacement for the original part, ensuring straightforward installation. Trust MEAT & DORIA for dependable engine sensors that keep your vehicle running at its best. This crankshaft position sensor is engineered to meet or exceed OE specifications.