- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77148" - Not available
SEAT - Leon, Cordoba, Toledo, Ibiza, Inca; VW - Golf, Bora; AUDI - TT, A3; SKODA - Fabia, Octavia