FUEL SYSTEM ABNORMALITY DETECTION APPARATUS

摘要

An electronic control apparatus that performs feedback control on a fuel injection command value to make an air-fuel ratio come to match a target air-fuel ratio increase-corrects an intake air amount and retard-corrects an ignition timing, together with decrease-correcting the fuel injection command value in the feedback control, and then performs an abnormality detection of a fuel system based on a retard-correction amount of the ignition timing at that time.