- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301708" - Not available
DACIA - Duster, Logan, Sandero; BMW - 3, 5; AUDI - A4, A3; RENAULT - Logan; CHEVROLET - Aveo; CITROËN - C5, C4; ...