- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21660-12B1" - Not available
KIA - Sorento, Sportage, Stinger, Grand Carnival, Ceed; HYUNDAI - Tucson, IX35; FORD - Focus, Mondeo
