How to Change O2 Sensor?
How to change an O2 sensor will depend on what vehicle you have and where the sensor is located. First, you will need to find the location of your sensor. Next, you will need to take a sensor wrench, or a wrench that will fit the sensor, and remove the old sensor. Finally, you will use the wrench to insert the new sensor. You should check a manual to find the exact location of your sensor.