- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20533-12B1" - Not available
VW - Golf, Polo, T-Cross, Passat, T-ROC; SEAT - Leon, Ibiza; SKODA - Octavia, Karoq; AUDI - A3, Q2