Ranger 4WD V6-4.0L (2009)
Oxygen Sensor: Service and Repair
Catalyst Monitor Sensor
Catalyst Monitor Sensor
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the Catalyst Monitor Sensor (CMS) electrical connector.
3. NOTE: If necessary, lubricate the CMS with lock lubricant to assist in removal.
Using the Exhaust Gas Oxygen Sensor Socket, remove the CMS.
Installation
1. Apply a light coat of nickel anti-seize lubricant to the threads of the CMS.
2. Using the Exhaust Gas Oxygen Sensor Socket, install the CMS.
-
Calculate the correct torque wrench setting for the following torque.
-
Using the Exhaust Gas Oxygen Sensor Socket, tighten to 48 Nm (35 lb-ft).
3. Connect the CMS electrical connector.