Preliminary Procedure

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

1

Heated Oxygen Sensor 1 Fastener

Caution: Refer to Fastener Caution in the Preface section.

Procedure

1. Disconnect the electrical connector.
2. Release the retainer.

Tighten
42 N·m (31 lb in)

2

Procedure

Remove the heated oxygen sensor 1 with GE-49683 torque wrench 1/2" and CH-49720 remover/installer

Special Tools

For equivalent regional tools, refer to Special Tools.