- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LEMARK "LLB939" - Not available
VW - Golf, Polo, Jetta, Touran, Beetle; SKODA - Fabia, Octavia; SEAT - Ibiza, Toledo; AUDI - A3, A1