Mustang V8-4.6L (2009)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S)
Heated Oxygen Sensor (HO2S) - 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 Heated Oxygen Sensor (HO2S) electrical connector.
3. NOTE: If necessary, lubricate the HO2S threads with penetrating and lock lubricant to aid in removal.
Using a suitable crowfoot wrench, remove the HO2S.
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Calculate the correct torque wrench setting for the following torque.
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To install, use a suitable crowfoot wrench, tighten to 48 Nm (35 lb-ft).
4. To install, reverse the removal procedure.
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Apply a light coat of anti-seize lubricant to the threads of the HO2S before installing.