Evaporating fuel processing apparatus and method of internal combustion engine

An evaporating fuel processing method of an internal combustion engine, applied to an evaporating fuel processing apparatus comprising a fuel tank, and an evaporating fuel discharge suppression system for processing evaporating fuel generated in the fuel tank, the method comprising:

• a leakage detecting step for detecting leakage in the evaporating fuel processing apparatus by referring to one or more parameters;
• a stop condition determining step for determining whether a predetermined condition for stopping the internal combustion engine is satisfied;
• an engine stopping step for stopping the internal combustion engine when it is determined in the stop condition determining step that the predetermined condition is satisfied;
• a restarting step for restarting the internal combustion engine after the internal combustion engine is stopped in the engine stopping step;
• a storage step for storing the one or more parameters referred to by the leakage detecting step in a storage device;
• and
• an initializing step for initializing the one or more parameters stored in the storage device when an ignition switch for starting the internal combustion engine is switched on.

A computer readable storage medium storing a program for making a computer execute an evaporating fuel processing operation of an internal combustion engine, applied to an evaporating fuel processing apparatus which comprises a fuel tank, and an evaporating fuel discharge suppression system for processing evaporating fuel generated in the fuel tank, the operation comprising:

• a leakage detecting step for detecting leakage in the evaporating fuel processing apparatus by referring to one or more parameters;
• a stop condition determining step for determining whether a predetermined condition for stopping the internal combustion engine is satisfied;
• an engine stopping step for stopping the internal combustion engine when it is determined in the stop condition determining step that the predetermined condition is satisfied;
• a restarting step for restarting the internal combustion engine after the internal combustion engine is stopped in the engine stopping step;
• a storage step for storing the one or more parameters referred to by the leakage detecting step in a storage device;
• and
• an initializing step for initializing the one or more parameters stored in the storage device when an ignition switch for starting the internal combustion engine is switched on.