- 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 "LS150053" - Not available
VW - Transporter, Caddy, Passat, Crafter 30-50, Golf; AUDI - A4, A3; SEAT - Alhambra, Leon; SKODA - Superb, Octavia