Ford Fusion: Electronic Engine Controls - 1.5L EcoBoost (118kW/160PS) – I4 / Catalyst Monitor Sensor. 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. Disconnect the catalyst monitor sensor electrical connector and detach the wiring harness retainer.
   

1. With the vehicle in N, position it on a hoist.
   Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
   

1. Remove the retainers and the engine undershield.
   

1. Remove the catalyst monitor sensor and detach the wiring harness retainers.
   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 catalyst monitor sensor and attach the wiring harness retainers.
   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. Install the engine undershield and the retainers.
   

1. Connect the catalyst monitor sensor electrical connector and attach the wiring harness retainer.