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When installing automotive oxygen sensors, the following points need to be noted:
1. Distinguish the position: the oxygen sensor is installed in front of the three-way catalytic converter, and the post-oxygen sensor is installed behind the three-way catalytic converter.
2. Tool preparation: Use professional tools to install the oxygen sensor, especially considering that the thread size of the oxygen sensor is generally M18, and the recommended torque is 45-55Nm.
3. High temperature protection: The working temperature of the oxygen sensor can reach 800 ° C. Therefore, pay attention to preventing burns when removing or installing the oxygen sensor and ensure that the exhaust pipe is completely cooled before operating it.
