- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Fenox "OS11008" - Not available
OPEL - Astra, Corsa, Omega B, Agila, Speedster; SAAB - 9-5, 9-3; VAUXHALL - Astra, Corsa