- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21619-12B1" - Not available
ABARTH - Grande Punto, 500, 595, 695, 500c; FIAT - Bravo, Grande Punto; ALFA ROMEO - Mito, 147; LANCIA - Delta, Kappa