- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "91245" - Not available
VOLVO - S40, V50, V70, C30, C70; BMW - 3, 5; AUDI - A4, A3; FORD - Kuga; VAUXHALL - Astra; ALFA ROMEO - 156, 159