- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21063-12B1" - Not available
SKODA - Octavia, Superb, Fabia, Karoq, Rapid; VW - Golf, Passat; SEAT - Leon, Ateca; AUDI - A3, Q2
