- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893493" - Not available
VW - Golf, Passat, EOS, Jetta; AUDI - A3, A4; BMW - 3, 5; SEAT - Altea, Leon; ALFA ROMEO - 156, 159
