- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B424P" - Not available
VW - Golf, Polo, Vento, Sharan, Passat; SEAT - Ibiza, Cordoba; AUDI - A4, A8; FORD - Galaxy