- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES11117-17B1" - Not available
AUDI - A6, A4, S6, A3, A8; FORD - Escort, Fiesta; CITROËN - Xsara, C5; FIAT - Punto, Panda