- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LRT "L0151H1850" - Not available
CITROËN - C5; AUDI - A4, A3; PEUGEOT - 407; ALFA ROMEO - 156, Spider; ABARTH - 500, 595