- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20430-12B1" - Not available
OPEL - Insignia A, Corsa, Astra, Zafira, Vectra C; VAUXHALL - Corsa, Astra; SAAB - 9-5