Sensor, Oxygen: Removal: 3.2L: Rear
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The engine is equipped with four heated oxygen sensors:
WARNING:
The exhaust pipes and catalytic converter become very hot during engine operation. Allow the engine to cool before removing the oxygen sensor.
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Remove the resonator
Refer to RESONATOR, AIR CLEANER, REMOVAL .
CAUTION:When disconnecting the oxygen sensor electrical connector, do not pull directly on the wire going into the sensor. The sensor wiring can be damaged resulting in sensor failure.
- Disconnect the heated Oxygen (O2) sensor electrical connectors (1, 2).
- Remove the O2 sensors (3, 5).
- Clean the exhaust pipe threads using an appropriate tap.