Heated Oxygen Sensor (HO2S): Removal

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty and 2018 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

All vehicles

With the vehicle in NEUTRAL, position it on a hoist. REFER to: Jacking and Lifting - Overview .
Right hand (RH) Heated oxygen sensor
- Disconnect the electrical connector and unclip the wire from the retainer.
- Apply penetrating oil to the HO2S, using the special tool remove the HO2S.
  Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
  
  Material
  
  : Motorcraft® Penetrating and Lock Lubricant / XL-1
Courtesy of FORD MOTOR COMPANY

Left hand (LH) Heated oxygen sensor
- Disconnect the electrical connector.
- Apply penetrating oil to the HO2S, using the special tool remove the HO2S.
  Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
  
  Material
  
  : Motorcraft® Penetrating and Lock Lubricant / XL-1

Courtesy of FORD MOTOR COMPANY