- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-395" - Not available
VW - Passat, Golf, CC, EOS, Jetta; AUDI - A3, Q3; SEAT - Altea, Leon; PORSCHE - 911, Boxster; SKODA - Octavia, Superb