The BOSCH 0 261 231 148 detonation sensor is a critical component for modern engine management systems. It monitors the engine for abnormal combustion events, commonly known as knocking or pinging. Upon detecting detonation, the sensor sends a signal to the engine control unit (ECU). The ECU then adjusts ignition timing and fuel mixture to prevent engine damage and maintain smooth operation. This precise control helps to optimize power output and fuel efficiency. Engineered by BOSCH, a leader in automotive technology, this sensor is built to withstand the harsh conditions within the engine bay. Its robust construction ensures reliable performance and longevity, contributing to the overall health and responsiveness of your vehicle.