- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "91535" - Not available
VOLVO - V70, C70, S60, S70, S80; SAAB - 9-5, 9-3; AUDI - A4, A6; CITROËN - Xsara, C5; BMW - 3, 5; ALFA ROMEO - 156, 166