Ford Fiesta: Electronic Engine Controls - 1.6L EcoBoost (132kW/180PS) – Sigma / Heated Oxygen Sensor (HO2S). Removal and Installation

Special Tool(s) / General Equipment

303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor TKIT-1994-LM/M TKIT-1994-F TKIT-1994-FLM/FM

Materials

Removal

1. Remove the air cleaner outlet pipe.
   Refer to: Air Cleaner Outlet Pipe (303-12B Intake Air Distribution and Filtering - 1.6L EcoBoost (132kW/180PS) – Sigma, Removal and Installation).
   

1. Disconnect the HO2S electrical connector and detach the wiring harness retainer.
   

1. 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

Installation

1. Calculate the correct torque wrench setting for the following torque. Refer to Torque Wrench Adapter Formula in the Apex.
   Install the HO2S .
   Use Special Service Tool: 303-476 (T94P-9472-A)  Socket, Exhaust Gas Oxygen Sensor.
   Material: Motorcraft® High Temperature Nickel Anti-Seize Lubricant / XL-2
   Torque: 35 lb.ft (48 Nm)

1. Connect the HO2S electrical connector and attach the wiring harness retainer.
   

1. Refer to: Air Cleaner Outlet Pipe (303-12B Intake Air Distribution and Filtering - 1.6L EcoBoost (132kW/180PS) – Sigma, Removal and Installation).