- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77634" - Not available
OPEL - Vectra C, Signum; AUDI - A6, A4; MERCEDES-BENZ - E-Class; FORD - Focus; CITROËN - C5, C4; ALFA ROMEO - 156; ...