- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- MDR "EPS-1998 231" - Not available
VW - Golf, Polo, Load Up, Passat Alltrack; SEAT - Ibiza, Leon; AUDI - A1, A3; SKODA - Fabia, Octavia