- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Fispa "90530" - Not available
VW - Golf, Passat, Tiguan, Touran, T-ROC; SKODA - Superb, Octavia; SEAT - Leon, Ateca; AUDI - A3, A1