- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21111-12B1" - Not available
SKODA - Fabia, Roomster, Rapid, Octavia; SEAT - Ibiza, Toledo; VW - Polo, Golf; AUDI - A3, A4
