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Home >> Ford >> 2012 >> Taurus FWD V6-3.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Heated Oxygen Sensor (HO2S)
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Heated Oxygen Sensor (HO2S)




Heated Oxygen Sensor (HO2S)









Removal and Installation

All RH sensors

1. With the vehicle in NEUTRAL, position it on a hoist.

RH 3.5L Gasoline Turbocharged Direct Injection (GTDI) sensor

2. Disconnect the Heated Oxygen Sensor (HO2S) electrical connector.
- Detach the HO2S (Heated Oxygen Sensor) electrical connector retainer from the bracket.






LH 3.5L GTDI (Gasoline Turbocharged Direct Injection) sensor

3. Remove the 4 retainers and the underbody shield.





4. Disconnect the LH HO2S (Heated Oxygen Sensor) electrical connector.
- Detach the HO2S (Heated Oxygen Sensor) connector retainer from the bracket.






All sensors except GTDI (Gasoline Turbocharged Direct Injection)

5. Disconnect the HO2S (Heated Oxygen Sensor) electrical connector.

All sensors

6. NOTE: If necessary, lubricate the sensor threads with penetrating and lock lubricant to assist in removal.
Using the Exhaust Gas Oxygen Sensor Socket, remove the HO2S (Heated Oxygen Sensor).

- Calculate the correct torque wrench setting for the following torque.

- To install, tighten to 48 Nm (35 lb-ft).






7. NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S (Heated Oxygen Sensor).
To install, reverse the removal procedure.

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