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

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Engine Control Sensors / 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 Remove the wiring harness from retainer clip. Disconnect electrical connector. 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. 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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Circuit/System Description The knock sensor system enables the engine control module (ECM) to control the ignition timing for the best possible performance while protecting the engine ...

Heated Oxygen Sensor Replacement - Sensor 2

Heated Oxygen Sensor Replacement - Sensor 2 Callout Component Name 1 Heated Oxygen Sensor 2 Warning: In or ...

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