- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Elta Automotive "XLS1240" - Not available
OPEL - Astra, Vectra, Calibra A, Zafira A, Omega B; VAUXHALL - Astra, Calibra