The DELPHI SS11479 Crankshaft Position Sensor is a vital part of your engine management system. It accurately measures 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 fuel injection timing and ignition timing, ensuring optimal engine performance, fuel efficiency, and emissions control. A malfunctioning crankshaft position sensor can lead to a variety of issues, including rough idling, stalling, poor acceleration, and the check engine light illuminating. Crafted with DELPHI's commitment to quality and reliability, the SS11479 sensor is designed to meet or exceed original equipment specifications. Its robust construction ensures durability and consistent performance even under demanding engine conditions. Replacing a faulty sensor with this high-quality part will help restore your engine's smooth operation and prevent further damage.