- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77156" - Not available
OPEL - Astra G, Vectra, Combo, Meriva A, Corsa, Tigra, Zafira; VAUXHALL - Astra, Corsa, Meriva