- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77661" - Not available
CHEVROLET - Aveo, Lacetti, Nubira, Rezzo, Optra; MAZDA - 626, MX-6; DAEWOO - Lacetti, Nubira