- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FACET "10.8535" - Not available
VW - Caddy, Golf, Passat, Tiguan, Sharan; SEAT - Leon, Ateca; AUDI - A3, Q2; SKODA - Octavia, Superb