- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- MDR "EPS-1997 052" - Not available
VW - Golf, Passat, Corrado, Transporter, Polo; SEAT - Toledo, Ibiza; PEUGEOT - 306, 405; CITROËN - ZX, XM; FIAT - Punto, Panda