ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) and Catalyst Monitor Sensor - Exploded View|Page 980 > < Heated Oxygen Sensor (HO2S) and Catalyst Monitor Sensor - Exploded View
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S)

Heated Oxygen Sensor (HO2S)

Removal

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

2. If the RH Heated Oxygen Sensor (HO2S) is being serviced, remove the 2 bolts and position the heat shield aside.

3. Disconnect the HO2S electrical connector.

4. NOTE: If necessary, lubricate the HO2S with penetrating and lock lubricant to ease removal.

Using the Exhaust Gas Oxygen Sensor Socket, remove the HO2S.

Installation

1. Apply a light coat of nickel anti-seize lubricant to the threads of the HO2S.

2. Using the Exhaust Gas Oxygen Sensor Socket, install the HO2S.

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Calculate the correct torque wrench setting for the following torque.

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Using the Exhaust Gas Oxygen Sensor Socket, tighten to 41 Nm (30 lb-ft).

3. Connect the HO2S electrical connector.

4. If the RH HO2S is being serviced, position the heat shield and install the 2 bolts.

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Tighten to 20 Nm (177 lb-in).

Heated Oxygen Sensor (HO2S) and Catalyst Monitor Sensor - Exploded View|Page 980 > < Heated Oxygen Sensor (HO2S) and Catalyst Monitor Sensor - Exploded View