- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-159" - Not available
VOLVO - 850, V70, S70, C70, XC70 Cross Country; BMW - 3, 5; SAAB - 9-5, 9-3; AUDI - A6, A4; PEUGEOT - Partner; PORSCHE - 911