- 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 0539" - Not available
BMW - 3, 5, 1, 6, 7; CHEVROLET - Spark, Aveo; AUDI - A4, A3; DAEWOO - Matiz; ALFA ROMEO - 159, 156