- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21318-12B1" - Not available
HYUNDAI - Santa FE, Tucson, I30, Sonata, Accent; AUDI - A4, A5; FIAT - Ducato, Doblo; CITROËN - Jumper, C5