The DELPHI SS11339 Crankshaft Position Sensor is engineered to provide precise data about the crankshaft's rotational speed and position. This critical information is used by the engine control unit (ECU) to manage ignition timing, fuel injection, and other vital engine functions. By accurately detecting the crankshaft's position, this sensor helps to optimize engine performance, improve fuel efficiency, and reduce emissions. A faulty sensor can lead to various drivability issues, including rough idling, stalling, and a check engine light. This sensor is designed as a direct replacement for the original equipment, ensuring a seamless installation and reliable operation. Trust DELPHI for quality components that meet or exceed OE specifications.