The DELPHI AS10220 Detonation Sensor is engineered to detect and report engine knock or detonation. This critical component helps the engine control unit (ECU) adjust ignition timing to prevent engine damage and maintain optimal power output. By accurately sensing abnormal combustion, the sensor allows the ECU to make real-time adjustments, ensuring the engine operates within safe parameters and maximizes fuel efficiency. Manufactured by DELPHI, a trusted name in automotive components, this sensor provides reliable performance and durability for long-lasting service.