- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21225-12B1" - Not available
OPEL - Insignia A, Astra, Mokka, Zafira, Corsa; VAUXHALL - Insignia, Zafira; CHEVROLET - Cruze, Aveo