- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-350" - Not available
AUDI - A4, A6, A3, A5, A8; VW - Golf, Passat; SEAT - Leon, Altea; SKODA - Octavia, Fabia; TOYOTA - Granvia