- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "0391" - Not available
AUDI - A4, A6, TT, A8, A3; VW - Passat; ALFA ROMEO - 156, 166; CITROËN - C5, C4
×
![]()
NTK 0391 - Oxygen, Lambda Sensor AUDI - A4, A6, TT, A8, A3; VW - Passat; ALFA ROMEO - 156, 166; CITROËN - C5, C4
- FORD
- KA+ III
- 1.2, B2KA
- Engine
- Engine Air Supply
- Air Filter, Housing