- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B4121P" - Not available
AUDI - A8, A4, TT; SKODA - Octavia; VW - Phaeton; FIAT - Punto; CITROËN - Xsara; ALFA ROMEO - 156; FORD - Focus; ...