Heated Oxygen Sensor (HO2S): Installation

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Left hand (LH) Heated oxygen sensor (HO2S)

NOTE: Calculate the correct torque wrench setting for the following torque. Refer to Torque Wrench Adapter Formula in Fig 1. Install the HO2S.

1.
- Apply anti-seize to thread of sensor, using special tool install the HO2S.
  Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
  
  Material
  
  : High Temperature Nickel Anti-Seize Lubricant / XL-2
  
  Torque
  
  : 35 lb.ft (48 Nm)
- Install the harness retainer and connect the electrical connector.

Fig 1: Torque Wrench Adapter Formulas

Courtesy of FORD MOTOR CO.

Courtesy of FORD MOTOR COMPANY

Right hand (RH) Heated oxygen sensor (HO2S)

NOTE: Calculate the correct torque wrench setting for the following torque. Refer to Torque Wrench Adapter Formula in Fig 2. Install the HO2S.

2.
- Apply anti-seize to thread of sensor, using special tool install the HO2S.
  Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
  
  Material
  
  : High Temperature Nickel Anti-Seize Lubricant / XL-2
  
  Torque
  
  : 35 lb.ft (48 Nm)
- Connect the HO2S electrical connector.

Fig 2: Torque Wrench Adapter Formulas

Courtesy of FORD MOTOR CO.

Courtesy of FORD MOTOR COMPANY

All sensors

3.
- If equipped, install the transmission housing cover and attach the retainer.
- Install the bolts.
  Torque
  
  : 71 lb.in (8 Nm)

Courtesy of FORD MOTOR COMPANY