Patent ID: 7185633

Claim:
A control apparatus for an internal combustion engine having first fuel injection means for injecting fuel into a cylinder and second fuel injection means for injecting fuel into an intake manifold, comprising: state determination means for determining whether said internal combustion engine is in an idle state or in a non-idle state; first fuel injection ratio control means for controlling a fuel injection ratio between said first fuel injection means and said second fuel injection means with respect to a total fuel injection quantity required in said internal combustion engine, corresponding to said idle state, based on a condition of said internal combustion engine; second fuel injection ratio control means for controlling said fuel injection ratio, corresponding to said non-idle state, based on a condition of said internal combustion engine; first selecting means for selecting said second fuel injection ratio control means to set said fuel injection ratio during a prescribed period after transition from said non-idle state to said idle state during an engine cold state; and second selecting means for selecting one of said first and second fuel injection ratio control means to set said fuel injection ratio in accordance with a determination result of said state determination means during a period other than said prescribed period.