Scion xB Knock Sensor

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Advancing the valve timing of the engine is going to improve its firing stroke and thus, its generated power. Your current Scion Xb knock sensor will ensure you don't go beyond the engine can allow. The part is a type of electronic control unit that reacts on your fuel-air pre-detonation by generating current the moment it's disturbed. The actual electrical current it creates is followed by the engine computer. From the first sign of irregularity, this particular computer activates a Diagnostic Trouble Code (DTC) or in VVT vehicles, immediately alters the Variable Valve Timing (VVT) of your vehicle.

Your Scion Xb knock sensor detects pinging or knocking, which means that you have attained the limitation in advancing your valves. It'll detect pinging inside the engine right at the first indication, which means that pressure waves are already leaving its specific ignition point too soon that it crashes to your cylinder walls or on the piston. This specific occurrence usually happens when your valve timing is advanced past the boundary. What make the sensor effective for this purpose is definitely the Piezoelectric components used to create it.

When the Scion Xb knock sensor is damaged, your own engine computer is provided with incorrect information. Choose Beck Arnley, Replacement, and Delphi replacement parts for this sensor here at Parts Train!