Voyager L4-2.4L VIN B (2001)
Oxygen Sensor: Service and Repair
Upstream 1/1 Oxygen Sensor Replacement
REMOVAL
1. Disconnect the negative battery cable.
2. Raise and support the vehicle.
Fig. 17 O2 Sensor Upstream 1/1
3. Disconnect the electrical connector.
4. Use a socket such as the Snap-On(R) YA8875 or equivalent to remove the sensor
5. When the sensor is removed, the threads must be cleaned with an 18 mm X 1.5 + 6E tap. If using the original sensor, coat the threads with Loctite
771-64 anti-seize compound or equivalent.
INSTALLATION
The engines uses two heated oxygen sensors.
1. After removing the sensor, the exhaust manifold threads must be cleaned with an 18 mm X 1.5 + 6E tap. If reusing the original sensor, coat the
sensor threads with an anti-seize compound such as Loctite 771-64 or equivalent. New sensors have compound on the threads and do not require
an additional coating.
Fig. 18 O2 Sensor Upstream 1/1
2. Install sensor and tighten to 27 Nm (20 ft. lbs).