- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21194-12B1" - Not available
OPEL - Insignia A, Meriva B, Zafira Tourer C, Insignia B Grand, Insignia B Sports; VAUXHALL - Astra, Insignia; CHEVROLET - Trax