This ABAKUS detonation sensor, part number 120-09-238, is designed to detect and signal engine knock or detonation. Proper functioning of this sensor is crucial for maintaining optimal engine performance, fuel efficiency, and preventing potential engine damage caused by uncontrolled combustion. It accurately monitors vibrations within the engine block and sends signals to the engine control unit (ECU) for timely adjustments to ignition timing. Manufactured by ABAKUS, a trusted name in automotive components, this sensor ensures durability and reliable operation.