- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77280" - Not available
SAAB - 9-5, 9-3, 9000, 900; PEUGEOT - 106, 306; CITROËN - Saxo, Xsara; PORSCHE - 911; BMW - 3