LPG fuel cut-off device for vehicles using LPG fuel

摘要

The present invention relates to a liquefied petroleum gas (LPG) vehicle, and more particularly, to an LPG (Liquefied Petroleum Gas) vehicle in which an ECM checks whether or not an engine is started, Quot;;Conventional LPG fuel cut-off devices for vehicles using an LPG fuel are equipped with an oil pressure switch and supply or cut off LPG fuel according to the oil pressure so that the control system becomes complicated to lower the reliability due to malfunction, There is a problem that the cost increases depending on the use of the switch.;According to the present invention, the ECM controls the LPG relay in accordance with the detection signal applied from the CPS sensor for detecting the rotation of the engine, so that the LPG fuel can be supplied or shut off to prevent malfunction, There is an effect of cost reduction by removing the switch.