- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77274" - Not available
MERCEDES-BENZ - E-Class, Sprinter 3-T, Sprinter 2-T, Vito, C-Class; BMW - 3 (E46, WB), Z3; AUDI - A4, A6