- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "91735" - Not available
FORD - Cougar, Escort, Mondeo, Scorpio, Fiesta; AUDI - A4, A6; BMW - 3, 5; CITROËN - Xsara, C5