- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- StartVOLT "VS-OS 1832" - Not available
VW - Golf, Passat, Arteon, Tiguan, Sharan; AUDI - A3, TT; SKODA - Octavia, Superb; SEAT - Leon, Alhambra