- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B489P" - Not available
OPEL - Astra, Vectra, Omega B, Zafira, Signum; VAUXHALL - Vectra, Astra; PORSCHE - 911, Boxster