Heated Oxygen Sensor (HO2S): Removal
WARNING: This page is about a different variant/trim than selected.
All sensors
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- Remove the nut.
Torque: 42 lb.in (4.8 Nm)
- Remove the bolt.
Torque: 93 lb.in (10.5 Nm)
- If the engine appearance cover stud bolt is loosened or removed, it must be installed/tightened into the valve cover.
Torque: 62 lb.in (7 Nm)
Right hand Heated oxygen sensor
- Remove the nut.
- Remove the RH air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe RH .
- Loosen the clamp and separate the RH CAC intake lower pipe.
Torque: 44 lb.in (5 Nm)
- Loosen the clamp and separate the RH CAC intake upper pipe.
Torque: 44 lb.in (5 Nm)
-
- Disconnect the EVAP canister purge valve quick release coupling. Refer to: Quick Release Coupling .
- Detach the retainer and position the EVAP canister purge valve tube aside.
- Detach the coolant hose from the starter motor bracket.
-
- Remove the bolt.
Torque: 71 lb.in (8 Nm)
- Disconnect the bypass valve electrical connector and remove the CAC intake pipe RH.
- Remove the bolt.
- Clean, inspect, and cover all open ports.
- Disconnect the HO2S wire retainer and electrical connector.
- Apply penetrating oil to sensor, using the special tool 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
Left hand Heated oxygen sensor
- Remove the bolts and harness pushpins. Position the harness to access the HO2S sensor.
- Remove the harness retainer bolt.
Torque: 71 lb.in (8 Nm)
- Remove the ground cable bolt.
Torque: 159 lb.in (18 Nm)
- Remove the harness retainer bolt.
- Disconnect the HO2S electrical connector.
- Apply penetrating oil to sensor, using the special tool 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