- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RECOFICIAL "CSL2436" - Not available
AUDI - A3, A4, A5, Q5, A6; VW - Golf, Beetle; SEAT - Alhambra, Leon; SKODA - Octavia