- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21208-12B1" - Not available
OPEL - Insignia A, Mokka, Corsa, Astra, Adam; VAUXHALL - Insignia, Mokka; CHEVROLET - Cruze, Aveo