- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B478P" - Not available
VW - Bora, Golf, New Beetle, Passat; AUDI - A4, A6; SEAT - Exeo, Leon; BMW - 3, 5; SKODA - Octavia; ALFA ROMEO - 156; ...