- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "DLS-420" - Not available
AUDI - A4, A6, TT, A8, A3; VW - Transporter, Passat; CITROËN - Xsara, C5; SEAT - Leon; ALFA ROMEO - 156, 166