- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21595-12B1" - Not available
KIA - Ceed, PRO Ceed, Soul, Sportage, RIO; HYUNDAI - I30, Accent; DACIA - Sandero, Logan
