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How do you change the Knock Sensor for Toyota 2004 Echo?

Tools Needed:

* 10mm socket

* Ratchet

* 12-inch extension

* 12-inch breaker bar

* Knock sensor

Instructions:

1. Locate the knock sensor. It is located on the engine block, just below the intake manifold.

2. Disconnect the electrical connector from the knock sensor.

3. Use the 10mm socket and ratchet to remove the two bolts that hold the knock sensor in place.

4. Remove the old knock sensor and discard it.

5. Install the new knock sensor.

6. Tighten the two bolts that hold the knock sensor in place.

7. Reconnect the electrical connector to the knock sensor.