- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77200" - Not available
SEAT - Ibiza, Cordoba, Leon, Altea, Toledo; VW - Polo, FOX; SKODA - Fabia, Roomster; AUDI - A3, A4