- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Elta Automotive "EX0502" - Not available
SEAT - Ibiza, Toledo, Leon; SKODA - Fabia, Rapid; AUDI - A1, A3; VW - Polo, Golf