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LOW PRESSURE FUEL PUMP CONTROL METHOD OF GDI ENGINE

  • US 20130144507A1
  • Filed: 07/17/2012
  • Published: 06/06/2013
  • Est. Priority Date: 12/01/2011
  • Status: Abandoned Application
First Claim
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1. A method of variable-controlling a low pressure fuel pump of a low pressure system in a fuel feeding system of a gasoline direct injection (GDI) engine, the method comprising:

  • driving the low pressure fuel pump at KEY ON of a vehicle when the GDI engine is stopped; and

    setting a target fuel pressure of the low pressure fuel pump to a relatively higher pressure than a fuel pressure concentrated on fuel efficiency within a fuel pressure range that is made by the low pressure fuel pump.

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