- 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 "LS140699" - Not available
VW - Transporter, Multivan, Touareg, Passat, Golf; AUDI - A6, TT; SEAT - Leon, Alhambra; SKODA - Octavia, Superb