The Knock Sensor is a critical component designed to monitor your PEUGEOT/CITROEN's engine for abnormal combustion, commonly known as knocking or pinging. This phenomenon occurs when the fuel-air mixture ignites prematurely or unevenly within the cylinders, leading to a characteristic rattling sound. Upon detecting these vibrations, the knock sensor sends an electrical signal to the engine control unit (ECU). The ECU then adjusts ignition timing, retarding it to prevent further knocking. This precise adjustment is vital for protecting your engine from potential damage caused by detonation, such as piston or cylinder head issues. Ensuring your knock sensor is functioning correctly is paramount for maintaining optimal engine performance, fuel efficiency, and longevity. A faulty sensor can lead to the ECU operating with incorrect timing parameters, potentially causing reduced power, increased fuel consumption, and long-term engine wear. This part is specifically designed for PEUGEOT/CITROEN vehicles, ensuring a precise fit and reliable operation.
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