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:

Special Tools
Illustration Tool Number/ Description EL 42059 J 42059 Cigar Lighter Socket Remover ...

Exhaust System Replacement
Removal Procedure Special Tools CH-6614 Chain Pipe Cutter For equivalent regional tools, refer to Special Tools. Warning: Refer to Protective Goggles and Glove Warning Warning: Refer to Exhaust Service Warning. Raise and support the vehicle. Refer to Lifting ...

Transmission Disassemble (Gen 1)
Special Tools 3-9506289 Universal Adapter R-0007758 Holding Fixture S-9407198 Differential Bearing Race Wrench For equivalent regional tools, refer to Special Tools. Attach R-0007758 holding fixture (2) to the transmission. Attach R-0007758 holding fixture (2 ...