- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21646-12B1" - Not available
VW - Polo, Golf, Caddy, T-ROC, Tiguan; SEAT - Ibiza, Leon; SKODA - Fabia, Octavia; AUDI - A3, A1
