- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B422P" - Not available
AUDI - A6, A4, A8; SEAT - Toledo, Ibiza; VW - Passat, Polo; DAEWOO - Leganza, Lanos; OPEL - Frontera B