| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an engine control device exactly distinguishing abnormality of a fuel supply system and thereby properly controlling an air-fuel ratio. Ž<P>SOLUTION: When a feedback control means starts feedback control (step S2), an abnormality determination means determines whether or not fuel in a second delivery pipe is displaced with fuel in a fuel tank (step S3, step S4). The abnormality determination means, when a correction amount difference (absolute value of ¾R1-R2¾) is larger than a first set value RL1 (step S5) in the case that the displacement is finished and when the correction amount difference (absolute value of ¾R1-R2¾) is smaller than a second set value RL2 (step S11) in the case that the displacement is performed, determines that abnormality is caused in the fuel supply system (step S8). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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