The DELPHI Detonation Sensor AS10257 is engineered to accurately detect engine knock or detonation. This critical sensor sends signals to the engine control unit (ECU), allowing it to adjust ignition timing and prevent engine damage. By ensuring optimal combustion, this sensor contributes to improved engine performance, fuel economy, and overall longevity. Manufactured by DELPHI, a trusted name in automotive components, this sensor meets high-quality standards for reliable operation.