- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77414" - Not available
VOLVO - S60, V70, S80, XC70 Cross Country; AUDI - A4, A6; BMW - 3; FORD - Focus; CITROËN - C5; ALFA ROMEO - 156; ...