How do you replace the Knock Sensor on Toyota Prius?

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The knock control system is intentionally planned to reduce spark knock during heavy detonating occasions which in turn enables the petrol engine to harness the finest spark advance with the intention of enhancing the driveability of the vehicle. Knock sensor measures vibration in the engine that is beyond normal and generates voltage signal that rise with increasing levels of knock. This voltage signal is observed by ECM which in turn blocks the ignition advance till the detonation is over. Knock sensor is mounted on the front of the engine block just below the cylinder head and oriented towards the forward part of the engine compartment, if viewed from the vehicle rear end side. The knock sensor is located above the oil pressure sensor and behind the intake manifold, to replace the knock sensor remove the intake manifold, disconnect the electrical connector and take out the sensor. Should one use the old sensor, the thread should be coated with thread sealant; in case the newly bought sensor, the coatings are probably pre-applied, do not apply another coating as it may hinder its functioning. Screw the knock sensor to the block until it is seize, then torque it up to 15 ft/lbs; do not over torque it since it can crack. The rest of the installation goes in the opposite sequence to the removal of these parts; then replenishes the cooling system and look for any signs of leakage.

Genuine Toyota Prius Knock Sensor

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Toyota Prius Knock Control Sensor

Toyota Prius Knock Control Sensor

Toyota Prius Knock Control Sensor

Toyota Prius Knock Control Sensor

Toyota Prius Knock Sensor

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