- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- StartVOLT "VS-OS 0439" - Not available
OPEL - Antara, Corsa, Astra, Insignia A, Vectra; CHEVROLET - Captiva, Cruze; PORSCHE - 911