RAM 1500 Van V8-5.2L CNG VIN T (1999)
Oxygen Sensor: Service and Repair
UPSTREAM OXYGEN SENSOR
Oxygen Sensor Location
The O2S sensors are located at the inlet and outlet ends of the catalytic converter.
REMOVAL
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 the vehicle.
2. Disconnect the wire connector from the O2S sensor.
CAUTION: When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.
3. Remove the O2S sensor. Snap-On oxygen sensor wrench (number YA 8875) may be used for removal and installation.
INSTALLATION
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 O2S sensor. Tighten to 30 Nm (22 ft. lbs.) torque.
2. Connect the O2S sensor wire connector.
3. Lower the vehicle.
