Dakota 4WD V8-4.7L Flex Fuel (2008)
Oxygen Sensor: Service and Repair
Removal
REMOVAL
Refer to graphic for typical O2S (oxygen sensor) locations if equipped with four oxygen sensors.
Refer to graphic for typical O2S (oxygen sensor) locations if equipped with two oxygen sensors.
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.
1. Raise and support vehicle.
2. 4-Sensor System If removing the right-upstream (2/1) sensor, remove the right-front tire/wheel, and then remove the plastic inner fender liner.
3. Disconnect wire connector from O2S sensor.
CAUTION: When disconnecting sensor electrical connector, do not pull directly on wire going into sensor.
4. Remove O2S sensor with an oxygen sensor removal and installation tool.
5. Clean threads in exhaust pipe using appropriate tap.
