- 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 1940" - Not available
VW - Golf, Bora, Polo, New Beetle, Passat; SEAT - Leon, Ibiza; AUDI - A4, A6; SKODA - Fabia, Octavia; CADILLAC - CTS