- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301705" - Not available
OPEL - Vectra B, Astra G, Speedster, Zafira A; AUDI - A4, A6; BMW - 3, 5; CITROËN - C5, C4; CHEVROLET - Aveo; ...