HIGH PRESSURE FUEL PUMP CONTROL OPERATION[L3 Turbo]

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Just After Engine Start

• At cold engine start, the fuel pressure is increased to promote the atomization of fuel.

Basic Control

• The target fuel pressure is set based on the engine speed and charging efficiency, and the feedback control is performed by monitoring with the fuel pressure sensor.

― When idling after engine warm up: approx. 3 MPa {31 kgf/cm², 435 psi}

― After engine warm up, engine speed is 3,000 rpm or more, charging efficiency is 60% or more: Approx. 11.5 MPa {117 kgf/cm², 1,668 psi}