GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Aveo 🢒 Engine 🢒 Engine Controls and Fuel - 1.2L 🢒 Oxygen Sensor Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

    Notice: Refer to Heated Oxygen and Oxygen Sensor Notice in the Preface section.

    Notice: Refer to Heated Oxygen Sensor Wire Repair Notice in the Preface section.


    Object Number: 1241561 Size: SH
  1. Disconnect the negative battery cable.

    2. Notice: Remove oxygen sensors with the engine temperature above 48°C (120°F). Otherwise the oxygen sensors may be difficult to remove.

  2. Disconnect the oxygen sensor (O2S) connector.
  3. Carefully remove the O2S from the exhaust manifold.