Chevrolet Sonic Repair Manual: Heated Oxygen Sensor Resistance Learn Reset Caution

Caution:

When replacing the HO2S perform the following:

• A code clear with a scan tool, regardless of whether or not a DTC is set
• HO2S heater resistance learn reset with a scan tool, where available

Perform the above in order to reset the HO2S resistance learned value and avoid possible HO2S failure.

Heated Oxygen Sensor Replacement - Sensor 2

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

Heated Oxygen and Oxygen Sensor Caution

Caution: Do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation. Handle the ox ...

Other materials:

Throttle Body Installation
Install the throttle body (2) and a NEW throttle body seal ring (1). Caution: Refer to Fastener Caution. Install the 4 throttle body bolts (3) and tighten to  8 Y (71 lb in). ...

Piston, Connecting Rod, and Bearing Cleaning and Inspection
Special Tools EN-470-B Angular Torque Wrench For equivalent regional tools, refer to Special Tools. Visual Inspection And Cleaning Procedure Connecting Rod Warning: Wear safety glasses when using compressed air in order to prevent eye injury. Clean the connecting rod ...

Turbocharger Disassemble
Special Tool EN-49940 Remover Quick Connector For equivalent regional tools, refer to Special Tools. Remove the 2 turbocharger oil return pipe bolts (2). Remove the turbocharger oil return pipe (1) and the sealing (3) from the turbocharger. Note ...