- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- OSSCA "11621" - Not available
VW - Golf, Bora, Polo, Lupo, Caddy; SKODA - Octavia; AUDI - A3, A8; SEAT - Ibiza, Cordoba