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:

Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
Sedan Taillamp Shown, Hatchback Taillamp Similar Back-up Lamp Turn Signal Lamp Stop Lamp/Taillamp Sidemarker Lamp To replace one of these bulbs: Open the trunk. Remove the two screws, which secure the taillamp assembly. Remove the taillamp assembly by pulling it straight ...

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...

Transmission Case Disassemble (Gen 2)
Special Tools 3-9506289 Universal Adapter J-810700 Mainshaft Bearing Remover J-810704 Center Bar Puller M-680770 Universal Sliding Mallet R-0007758 Holding Fixture R-0007770 Holding Fixture Adapter Plates T-0307000 Extractor and Driver Fixture T-9807671 Slide Hammer For eq ...