#
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/cm 2, 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/cm 2, 1668 psi}