This DELPHI Detonation Sensor (part code AS10188) is engineered to accurately detect engine knock or pinging. By identifying abnormal combustion, it signals the engine control unit (ECU) to adjust ignition timing, preventing potential engine damage and ensuring optimal performance. This sensor plays a crucial role in maintaining fuel efficiency and the overall health of your engine. Manufactured by DELPHI, a trusted name in automotive components, this sensor is built for durability and reliable operation under demanding conditions.