3.8L - Upper O2 Sensor
3.8L - UPPER O2 SENSOR
The engines uses two heated oxygen sensors.
CAUTION: When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.
1. Disconnect negative battery cable.
2. Disconnect the upper O2 sensor connector.
3. Use a socket such as Snap-On YA8875 or a crow foot wrench to remove oxygen sensor.