- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NPS "DOX-1701" - Not available
VW - Golf, Jetta, Polo, Tiguan, Touran; AUDI - A4, A6; SKODA - Citigo, Fabia; SEAT - MII