- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LRT "L0124V1200" - Not available
VW - Bora, Golf, New Beetle, Polo, Caddy; AUDI - A3, A4; SEAT - Leon, Toledo; SKODA - Octavia