Truck Coolant Level Sensor for Volvo FH VN FL B FM NH VNL VHD 630 670 780 FM7 FM9 FM12 FH12 FH16 A25D 21399626 8140024 8149506 Knock Sensor

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• Monitoring Function: Knock Sensors Monitor The Engine For Knock, A Phenomenon Known As Premature Self-Ignition Of Fuel Within The Combustion Chamber, Which Can Damage Engine Performance And Life.
• Real-Time Feedback: Knock Sensors Detect Engine Knock In Real Time And Transmit This Information To The Engine Control Unit (Ecu), Enabling The Ecu To Adjust Ignition Timing And Fuel Injection Quantity.
• Protective Function: By Proactively Detecting And Responding To Knock, Knock Sensors Help Protect The Engine From Damage And Extend Its Service Life.
• Accuracy: Knock Sensors Typically Utilize High-Precision Sensor Technologies, Such As Piezoelectric Or Hot-Wire Sensors, To Ensure Accurate Knock Detection.
• Durability: Knock Sensors Are Designed To Operate Reliably In High-Temperature And Vibration Environments, Resulting In Superior Durability And Reliability.