CONTROL METHOD FOR FUEL PUMP OF HYBRID LPI(LIQUEFIED PETROLEUM INJECTION) VEHICLE, WHICH REDUCES WORKING NOISE AND POWER CONSUMPTION OF PUMP

摘要

PURPOSE: A control method for fuel pump of hybrid LPI(liquefied petroleum injection) vehicle is provided to reduce working noise and power consumption of pump by operating a pump operation duty at first stage. ;CONSTITUTION: A control method for fuel pump of hybrid LPI(liquefied petroleum injection) vehicle is as follows. It is determined that a re-starting state of an engine after entering into an idle stop state(S160,S180). If the engine is restarted, a fuel pump is driven at a minimum rate. The working noise of the fuel pump is not delivered to passenger.;COPYRIGHT KIPO 2011