- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS150069" - Not available
AUDI - A5, A4, A3, A6, A7; VW - Passat, Transporter; SEAT - Alhambra, Leon; SKODA - Octavia, Superb