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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Mechanical >> 2.0L - Fuel System >> Fuel Injection >> Sensor, Oxygen >> Removal And Installation >> Downstream

Removal And Installation: Downstream

NOTE:

If the oxygen sensor needs to be replaced, connect the diagnostic equipment to the vehicle, go to "ECM" in the "Miscellaneous functions" menu and start the "Reset adaptive parameters" procedure.

REMOVAL 

  1. Disconnect and isolate the negative battery cable.
  2. Remove the left front splash shield. Refer to SHIELD, SPLASH, FRONT WHEELHOUSE, REMOVAL AND INSTALLATION .
    GC0195058Courtesy of CHRYSLER GROUP, LLC
  3. Disconnect the wire harness connection (1) for the oxygen sensor.
  4. Open the retaining clip (2) and disengage the oxygen sensor wiring.
    GC0195141Courtesy of CHRYSLER GROUP, LLC
  5. Remove the oxygen sensor (1) from the catalytic converter.

INSTALLATION 

GC0193365Courtesy of CHRYSLER GROUP, LLC
  1. Install the oxygen sensor (1) into the catalytic converter and tighten it to the proper specification. Refer to TORQUE SPECIFICATIONS  .
  2. Connect the oxygen sensor wiring in the retaining clips.
  3. Connect the wire harness connection of the oxygen sensor.
  4. Install the left front splash shield. Refer to SHIELD, SPLASH, FRONT WHEELHOUSE, REMOVAL AND INSTALLATION
  5. Connect the negative battery cable.