- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- OPEL - Astra K, Karl, Corsa E, Adam, Insignia B Grand, Insignia B Sports, Mokka; VAUXHALL - Astra, Insignia, Viva, Corsa; ...