- 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 1840" - Not available
VW - Golf, Passat, Caddy, Beetle, Polo; SKODA - Octavia, Superb; AUDI - A3, TT; SEAT - Leon, Ibiza