- 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 "LS140080" - Not available
SEAT - Leon, Arosa, Ibiza, Cordoba, Toledo; AUDI - A3, TT; VW - Bora, Golf; SKODA - Fabia, Octavia