- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21525-12B1" - Not available
LADA - 111, Niva, 110, 112; AUDI - A4, A6; BMW - 3, 5; FORD - Focus, Mondeo; CITROËN - C5; FIAT - Ducato; ALFA ROMEO - 156; ...