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- 1). Climb under your vehicle and unplug the electric connector running to the oxygen sensors. There is one sensor in front of the catalytic converter and one behind the converter on the exhaust.
- 2). Unbolt the oxygen sensors using an O2 sensor socket and socket wrench.
- 3). Remove the sensors and thread the new sensor.
- 4). Tighten the new sensors using an O2 sensor socket and socket wrench.
- 5). Reconnect the electrical connectors to the O2 sensors.
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