Genuine Toyota Knock Sensors

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What Is a Toyota Knock Sensor?

A Toyota Knock Sensor is a crucial engine management component designed to detect abnormal combustion, commonly known as “knocking” or “pinging.” It senses vibrations caused by premature ignition inside the engine cylinders and sends signals to the ECU (Engine Control Unit). The ECU then adjusts ignition timing to protect the engine from damage. A properly functioning knock sensor ensures smooth performance, optimal power, and long‑term engine reliability.

Signs of a Faulty Knock Sensor

A failing knock sensor can negatively impact engine performance and efficiency. Common symptoms include:

  • Check Engine Light illuminating (often codes P0325, P0330)
  • Reduced engine power or sluggish acceleration
  • Poor fuel economy
  • Engine knocking or unusual vibrations under load
  • Rough idling or inconsistent performance
  • Higher exhaust emissions due to incorrect timing adjustments

If these issues appear, the knock sensor or its wiring may require inspection or replacement. Using a Genuine Toyota Knock Sensor is essential for accurate detection and correct ECU communication.

Aftermarket sensors may not interpret engine vibrations correctly, leading to incorrect timing adjustments and reduced longevity.

Our Range of Genuine Toyota Knock Sensors

At Nunawading Toyota Parts, we offer a full selection of Genuine Toyota Knock Sensors for all Toyota models and manufacturing years. Whether you drive a Corolla, Hilux, Camry, RAV4, Prado, LandCruiser, or another Toyota model, we have the correct sensor ready to fit your vehicle.

If you can’t find the exact knock sensor you need on our store, just reach out via webchat, our team is here to help you quickly locate the right part.