Removal and Installation

WARNING: This page is about a different variant/trim than selected.

RH sensor

Remove the PCV hose.
Both sensors
Disconnect the Heated Oxygen Sensor (HO2S) electrical connector.

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.
- Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in illustration.
  
  Fig 1: Torque Wrench Adapter Formulas
  Courtesy of FORD MOTOR CO.
- To install, tighten to 48 Nm (35 lb-ft).
  
  Fig 2: Removing/Installing HO2S Using Exhaust Gas Oxygen Sensor Socket
  Courtesy of FORD MOTOR CO.

NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S.

To install, reverse the removal procedure.