OEM 2007 Chevrolet Aveo Oxygen Sensor

2007 Chevrolet Aveo Oxygen Sensor Parts and Q&A

• Q: How to replace the Heated Oxygen Sensor 2 (HO2S2) on 2007 Chevrolet Aveo?

  A: The replacement of heated Oxygen Sensor 2 (HO2S2) requires disconnecting the negative Battery Cable and requires careful handling of the Oxygen Sensor while avoiding removal of pigtails connected to either the ho2s or o2s to preserve sensor functionality. Free the in-line electrical connector and louvered end from contaminants while avoiding all cleaning solvents. Sensor performance will degrade when attempting repairs on damaged pigtail wiring or terminals because these repairs block the air reference. Users should replace the Oxygen Sensor instead of making these repair attempts. Applying contact cleaner to the sensor or vehicle harness connectors will cause damage to both components as well as creating performance issues when making sharp bends or kinks in lead wires or removing the ground wire. The vehicle harness connector sealing material must remain functional to stop water damage and the packard crimp and splice seals terminal repair kit should be used for harness repairs instead of soldering techniques to avoid blocking air reference pathways. Start by detaching both the ho2s2 electrical connector and then proceeding with sensor removal. To install the new or service sensor apply anti-seize compound on its threads beforehand before securing ho2s2 using 42 n.m (31 lb ft) torque. Reattach both the electrical connector and negative Battery Cable at the end.