- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "1523" - Not available
VOLVO - V70, C70, S70, XC70 Cross Country; CITROËN - C5, Xsara; ALFA ROMEO - 156, 166; AUDI - A4, TT; FIAT - Ducato, Doblo