220602A000 Nissan KNOCK SENSOR, Price: 48.71$, Weight: 0.05kg

Understanding the Knock Sensor

The knock sensor is an essential component in your vehicle's engine management system. Its primary function is to detect abnormal knocking or pinging noises from the engine. These noises often result from premature combustion, which can cause damage to the engine.

Functionality of the Knock Sensor

The sensor works by sending signals to the engine control unit (ECU) when it detects the specific vibration frequency associated with engine knocking. The ECU then adjusts the ignition timing to prevent the knocking, ensuring that your engine runs smoothly and efficiently.

Consequences of a Faulty Knock Sensor

If the knock sensor is broken or failing, it can lead to several issues. The ECU may not receive accurate signals, causing poor engine performance, reduced fuel efficiency, and even potential engine damage due to prolonged knocking. A damaged knock sensor can also trigger the check engine light, indicating the need for replacement.

Compatible Vehicle Models

• G35
• M35/45
• Fx35/45
• Qx4
• Q45