- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Hart "529 435" - Not available
AUDI - TT, A3, A4, A6; VW - Golf, New Beetle; SEAT - Leon, Cordoba; SKODA - Fabia; BMW - 3, 5; ALFA ROMEO - 156; ...