The FEBI BILSTEIN 27140 Detonation Sensor is a critical component for modern engine management systems. It monitors the engine for abnormal combustion events, commonly known as knocking or pinging. When the sensor detects detonation, it sends a signal to the engine control unit (ECU). The ECU then adjusts ignition timing to prevent engine damage and maintain optimal performance. This sensor plays a vital role in fuel efficiency and reducing emissions. Crafted with high-quality materials, this FEBI BILSTEIN sensor is designed for durability and reliable performance. It is a direct fit for specified vehicle applications, ensuring easy installation and proper function. Trust FEBI BILSTEIN for dependable engine components.