| 1. To gain access to the sensor, set the parking brake, then lift the front of the car and establish it on support. Access to the sensor can be obtained from the bottom of the car. |
| 2. Disconnect the negative battery terminal. |
| 3. Then disconnect the connector connecting the sensor. |
| 4. Unscrew and remove the bolts securing the sensor to the cylinder block, and remove it from the bottom of the car. |
| 5. When installing, make sure that the contact surfaces of the sensor and the cylinder block are clean and dry. |
| 6. Place the sensor so that the connection socket is facing the right side of the engine, and then install the retaining bolt and tighten it to the required torque. |
| 7. Make sure that nothing more came to the sensor, then lower the car on the ground and connect the battery. |
The gauge of detonation combustion of fuel is a very delicate instrument and will fail if dropped or hit.