- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- BOSCH "0 258 030 221" - Not available
VW - Spacefox, Space Cross, FOX, Polo, Golf; SKODA - Fabia, Octavia; SEAT - Ibiza, Toledo