This BOSCH Knock Sensor (part code 0 261 231 197) is designed to accurately detect engine knocking or detonation. By identifying these abnormal combustion events, the sensor provides crucial data to the engine control unit (ECU). The ECU can then adjust ignition timing and fuel mixture in real-time to prevent engine damage and optimize performance. This ensures smoother operation, improved fuel efficiency, and extended engine life. Manufactured by BOSCH, a trusted name in automotive components, this sensor meets high-quality standards for reliability and durability.