- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21183-15B1" - Not available
VW - Golf, Passat, Tiguan, Arteon, T-ROC; AUDI - A3, TT; SEAT - Leon, Alhambra; SKODA - Superb, Octavia