Subaru IMPREZA GD 2007 Series Manual page 795

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MECHANICAL
7. Fuel Pressure
A: INSPECTION
CAUTION:
Before removing the fuel pressure gauge, re-
lease the fuel pressure.
NOTE:
Check or replace the fuel pump and fuel delivery
line if the fuel pressure is out of the standard.
1) Release the fuel pressure.
<Ref. to FU(H4SO)-43, RELEASING OF FUEL
PRESSURE, PROCEDURE, Fuel.>
2) Disconnect the fuel delivery hose from the fuel
damper, and connect the fuel pressure gauge.
3) Connect the connector of fuel pump relay.
4) Start the engine.
5) Measure the fuel pressure after warming up the
engine.
Fuel pressure:
Standard:
339.5 — 360.5 kPa
(3.5 — 3.7 kgf/cm
NOTE:
The fuel pressure gauge registers 10 — 20 kPa
2
(0.1 — 0.2 kgf/cm , 1 — 3 psi) higher than standard
values during high-altitude operations.
Fuel Pressure
ME-02695
FU-02737
2
, 49 — 52 psi)
ME(H4SO)-28