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Section 07 ENGINE MANAGEMENT (DI)
Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
2
3
1
F12R09A
1. Fuel filter
2. Fuel line going to air/fuel rail
3. Pressure gauge between disconnected ends (
in-line
installation)
Install safety lanyard and observe fuel pressure.
Do not crank engine.
FUEL REGULATOR PRESSURE
(when installing safety lanyard)
185 ± 14 kPa (27 ± 2 PSI)
If pressure is good, fuel pressure regulator is
working adequately.
A rapid pressure drop indicates leakage either
from the air/fuel rail or the fuel pump check valve.
Check air/fuel rail for leaks. If it occurs while
installing safety lanyard on DESS and air/fuel rail
is not leaking, then replace fuel pump.
A slow pressure drop indicates leakage either
from the fuel injector or from the fuel pressure
regulator. Check fuel injector for leaks (see be-
low). If it is not leaking then replace fuel pressure
regulator.
NOTE:
Fuel in air compressor outlet line is an in-
dication of a leaking fuel pressure regulator di-
aphragm.
Remove pressure gauge and reinstall fuel hose.
At installation apply engine oil on O-ring.
WARNING
Wipe off any fuel spillage in the bilge. Fu-
el is flammable and explosive under certain
conditions. Always work in a well ventilated
area.
Fuel Pressure Regulator Replacement
Removal
Release the fuel pressure in the system.
Disconnect spark plug cables from spark plugs.
Disconnect the fuel injector wires, if necessary.
1
F12R0DA
1. Push clip toward injector to release connector
Unscrew rail retaining screws.
F12R19A
1
1
1. Retaining screws
smr2004-Complete Line Up
347
www.SeaDooManuals.net
Summary of Contents for 2006 GTI
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