Mustang V8-4.6L (2009)
Oxygen Sensor: Service and Repair
Catalyst Monitor Sensor
Catalyst Monitor Sensor - 4.6L (3V), 5.4L (4V)
NOTE: 4.6L (3V) shown, 5.4L (4V) similar.
Removal and Installation
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 threads with penetrating and lock lubricant to aid in removal.
Using the Exhaust Gas Oxygen Sensor Socket, remove the CMS.
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Calculate the correct torque wrench setting for the following torque.
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To install, tighten to 48 Nm (35 lb-ft).
