- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Metzger "0893634" - Not available
AUDI - A3, TT, A4, A5, A6; VW - Passat, Golf; SKODA - Octavia, Superb; SEAT - Leon, Exeo