Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Heated Oxygen Sensor Replacement - Sensor 1



Heated Oxygen Sensor Replacement - Sensor 1

Callout

Component Name

Warning:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

Preliminary Procedure

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

1

Heated Oxygen Sensor 1

Caution:

Refer to Component Fastener Tightening Caution.

Procedure

  1. Remove the wiring harness from retainer clip.
  2. Disconnect electrical connector.
  3. After replacement of the heated oxygen sensor, use a scan tool to speed up learn functions. Refer to K20 Engine Control Module: Programming and Setup.
  4. If reusing the heated oxygen sensor, coat the thread with assembly paste.
Tighten


42 Y(31 lb ft)

Special Tools

EN-48259 Installer/Remover

For equivalent regional tools, refer to  Special Tools

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