- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-392" - Not available
MERCEDES-BENZ - S-Class, E-Class, Sprinter 3.5-T, A-Class, C-Class; BMW - 3 (E91, E92), 5 (E39, WB); ALFA ROMEO - 147, 159