- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20555-12B1" - Not available
BMW - 3 (E91, E92), 5, 1, 6, 7 (E65, E66, E67); CITROËN - DS3, C4; FIAT - Ducato, Bravo