- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- StartVOLT "VS-OS 0557" - Not available
OPEL - Astra, Signum, Corsa C, Meriva A, Tigra Twintop, Vectra, Zafira; SAAB - 9-3