- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Hart "514 040" - Not available
CITROËN - ZX, Xsara, Xantia, XM, BX; FIAT - Ducato; PEUGEOT - 306, 405; FERRARI - 348; ALFA ROMEO - 155; ...