- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21153-12B1" - Not available
SKODA - Fabia, Roomster, Rapid, Octavia, Superb; SEAT - Ibiza, Toledo; AUDI - A1, A3; VW - Polo, Golf; FIAT - Panda, Punto