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:

DIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons on the turn signal lever on the left side of the steering wheel. The DIC displays trip, fuel, and warning messages if a system problem is detected. See Trip Computer  and Vehicle Messages. DIC Buttons 1. SET/C ...

Engine Coolant Fan Shroud Replacement (LUV)
Engine Coolant Fan Shroud Replacement Callout Component Name Preliminary Procedures Drain the engine coolant. Refer to Cooling System Draining and Filling. Remove the radiator surge tank. Refer to Remove the radiator s ...

Oil Level Indicator Tube Replacement
Removal Procedure Note: If the engine oil level is at maximum, some oil may emerge when drawing out the oil dipstick guide tube. Place collecting basin underneath. Remove the oil level indicator tube bolt (1). Remove the oil level indicator tubeR ...