- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893322" - Not available
BMW - 3, 5, 6, 1, 7; VW - Polo, FOX; AUDI - A4, A3; SEAT - Ibiza; SKODA - Fabia; ALFA ROMEO - 159, 156; CADILLAC - CTS, SRX