- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RECOFICIAL "CSL2388" - Not available
KIA - Ceed, PRO Ceed, Carens, Soul, Picanto; HYUNDAI - I30, I20; AUDI - A4, A3; BMW - 3, 1; ALFA ROMEO - 159, 156