Lexus IS250 IS220d GSE20 ALE20 2AD-FHV EMISSION CONTROLAIR FUEL RATIO SENSOR - COMPONENTS 1 / 22 / 2 LEXUS IS250, IS220d / GSE20 ALE20 2AD-FHV EMISSION CONTROL Lexus IS250 IS220d GSE20 ALE20 AIR FUEL RATIO SENSOR