- 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 0303" - Not available
BMW - 3 (E46, WB), X3, Z4, 1, 7; AUDI - A4, TT; VW - Golf, Polo; MERCEDES-BENZ - C-Class, Sprinter 3.5-T; SKODA - Fabia, Octavia