| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel control device for a fuel gas vehicle capable of preventing an error determination on fuel leakage caused by a close failure of a container main valve. SOLUTION: When the close failure of either of the container main valves of two fuel vessels is detected, a determination valueαis increased (step S150). Even if a lowering speed of fuel pressure is increased due to the close failure of either of the container main valves at a state that an engine is operated at the same fuel consumption speed, the determination on the fuel leakage is accurately performed. Accordingly, the error determination of presence of the fuel leakage due to the close failure of the container main valve can be prevented. As a result, an occurrence of situations such as giving an unneeded warning to a passenger lighting on a warning lamp owing to the error determination on the fuel leakage and unnecessarily halting the vehicle can be prevented. COPYRIGHT: (C)2004,JPO
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