Catalyst Monitor Sensor: Removal

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Whenever the turbocharger air intake system components are removed, always cover the open ports to protect them from debris. It is important that no foreign material enter the system. The turbocharger compressor vanes are susceptible to damage from even small particles. All of the components should be inspected and cleaned, if needed, prior to installation or reassembly.

NOTE: Removal steps in this procedure may contain installation details.

Remove the engine appearance cover.

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1. Remove the air cleaner outlet pipe retainer.
2. Disconnect the quick release coupling and detach the hose retainers. Refer to: Quick Release Coupling .
- Loosen the clamps and remove the air cleaner outlet pipe.
  Torque
  
  : 44 lb.in (5 Nm)
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Disconnect the electrical connector and harness retainer.

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Remove the rear driveshaft. Refer to: Rear Driveshaft .
Remove the catalyst monitor sensor.
- Apply anti-seize to thread of sensor, using special tool install the Catalyst monitor sensor. Use Special Service Tool: 303-476 (T94P-9472-A) Socket, Exhaust Gas Oxygen Sensor.
  Material
  
  : Motorcraft® High Temperature Nickel Anti-Seize Lubricant / XL-2

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