Grand Cherokee 2WD V8-318 5.2L VIN Y MFI (1994)
Oxygen Sensor: Service and Repair
NOTE:
The 02 sensor is located in the right exhaust downpipe below the exhaust manifold flange.
Heated Oxygen Sensor Location
REMOVAL
WARNING: THE EXHAUST MANIFOLD BECOMES VERY HOT DURING ENGINE OPERATION. ALLOW ENGINE TO COOL
BEFORE REMOVING OXYGEN SENSOR.
1. Raise and support the vehicle.
2. Disconnect the wire connector from the O2 sensor.
CAUTION: When disconnecting the sensor electrical connector, do not pull directly on wire going Into sensor.
3. Remove the O2 sensor from the exhaust pipe.
INSTALLATION
NOTE: Threads of new oxygen sensors are factory coated with anti-seize compound to aid in removal. DO NOT add any additional anti-seize
compound to the threads of a new oxygen sensor.
1. Install the O2 sensor into the exhaust manifold. Tighten to 30 Nm (22 ft. lbs.) torque.
2. Connect the O2 sensor wire connector.
3. Lower the vehicle.
