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

Materials

Removal

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

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 catalyst monitor sensor electrical connector.
   

1. Detach the wiring harness retainers and remove the catalyst monitor sensor.
   Material: Motorcraft® Penetrating and Lock Lubricant / XL-1

Installation

1. NOTE: The correct torque wrench setting must be calculated when using a commercially available exhaust gas sensor socket to install the catalyst monitor sensor. Refer to the Torque Wrench Adapter Formulas in the Appendix.

   • Lubricate the O-ring.
     Material: Motorcraft® High Temperature Nickel Anti-Seize Lubricant / XL-2
   • Install the catalyst monitor sensor and attach the wiring harness retainers.
     Torque: 35 lb.ft (48 Nm)

1. Connect the catalyst monitor sensor electrical connector.
   

1. Install 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).