Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture HITACHI "SENC01760" - Not availableCHEVROLET - Captiva, Rezzo, Aveo, Matiz, Lacetti; OPEL - Antara; MAZDA - 626, MX-6