300 V6-3.5L (2008)
Oxygen Sensor: Service and Repair
Removal
3.5L
The engines uses two heated oxygen sensors, one in each exhaust manifold.
CAUTION: Never apply any type of grease to the oxygen sensor electrical connector, or attempt any soldering of the sensor wiring harness.
WARNING: The exhaust manifold, exhaust pipes and catalytic converter become very hot during engine operation. Allow engine to cool before
removing oxygen sensor.
CAUTION: When disconnecting sensor electrical connector, do not pull directly on wire going into sensor.
1. Remove the negative battery cable.
2. Raise vehicle and support.
3. Disconnect the heated oxygen sensor electrical connector.
4. Use a socket such as Snap-On YA8875 or a crow foot wrench to remove oxygen sensor.
