FUEL INJECTION CONTROL DEVICE FOR ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a fuel injection control device for an engine, which is enabled to suppress a NOx emission amount by performing a proper increase correction of a fuel at a restarting time after stop period of the engine.SOLUTION: A fuel injection control device is constituted to comprise: an injection amount control part 61 for controlling a fuel injection amount; a supply oxygen amount detector 62 for detecting the supply oxygen amount; an activation determination part 63 for determining whether or not an exhaust emission control catalyst 52 is in an active state; and an increase correction part 64 for performing an increase correction of a fuel injection quantity in accordance with the detection result of the supply oxygen amount detector 62 and the determination result of the activation determination part 63.