- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893174" - Not available
AUDI - A4, A6, A8, Allroad, TT; SKODA - Superb; VW - Passat; FIAT - Punto, Doblo; CITROËN - C5, Xsara; ALFA ROMEO - 156, 166