| 摘要 |
PURPOSE: A method of improving restartability of vehicle using a liquefied petroleum gas(LPG) as a fuel is provided in which an ignition device is controlled for a preset time period upon restarting of the vehicle after momentary interruption. CONSTITUTION: A method comprises the steps of determining whether the temperature of the cooling water sensed by a water temperature sensor and applied to an ECM when a startup switch of the vehicle is turned on is higher than the temperature level preset in the ECM, and if it is determined as higher, closing a secondary solenoid valve of a vaporizer for a preset time period and stopping an operation of an ignition device in such a manner as to prevent the LPG contained in a primary decompression chamber from being flowed into a secondary decompression chamber during the preset time period.
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