- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893181" - Not available
VW - Golf, Bora, Caddy, Touareg, Polo; SKODA - Fabia, Octavia; AUDI - A2, A4; BMW - 3, 5