| 摘要 |
PROBLEM TO BE SOLVED: To properly control fuel regardless of blow-back fuel. SOLUTION: Fuel injection is performed by increasing fuel by blow-back fuel amount in an intake operation mode, even in a state that a mode is switched from a compression operation mode to the intake operation mode and blow-back fuel is consumed. When switching, A/F within a combustion chamber 5 is prevented from being a lean state. Fuel is properly controlled, regardless of blow-back fuel to operate an engine 1 stably.
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