Section 07
ENGINE MANAGEMENT (DI)
Subsection 03
(COMPONENT INSPECTION AND ADJUSTMENT)
07-03-14
SMR2003_024 _07_03A.FM
Remove pressure gauge and reinstall fuel hose. At
installation apply engine oil on O-ring.
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. Push clip toward injector to release connector
Unscrew rail retaining screws.
1. Retaining screws
Gently pull rail up by hand, working each side slight-
ly at a time.
Pull rail out.
Unscrew retaining plate screws.
1. Retaining plate
2. Screws
3. Fuel injector
4. Fuel pressure regulator and cover
5. Air pressure regulator
NOTE:
If needed, use a small screwdriver to lift
the fuel pressure regulator.
To remove fuel pressure regulator, pull the fuel
regulator and the cover out of rail.
Installation
For the installation, reverse the removal procedure
but pay attention to the following.
If the same regulator is reinstalled, it is recommend-
ed to change the O-rings.
Insert the fuel pressure regulator into the cover
then install both regulators together in place with
your hand. Do not use any tool.
NOTE:
A thin film of injection oil may be applied
on O-ring to ease insertion in rail.
Apply Loctite 243 on rail retaining screws then
torque to 25 N•m (18 lbf•ft).
FUEL INJECTOR
Leakage Test
Testing the fuel injector operation can be per-
formed with the air/fuel rail installed.
The leakage test is validated when performing the
FUEL DELIVERY SYSTEM DIAGNOSTIC FLOW
CHART elsewhere in this section.
WARNING
Wipe off any fuel spillage in the bilge. Fuel is
flammable and explosive under certain con-
ditions. Always work in a well ventilated area.
1
F12R0DA
F12R19A
1
1
4
2
F12R1AA
3
1
3
2
2
5
www.SeaDooManuals.net
Summary of Contents for 2003 GTI LE RFI
Page 1: ...www SeaDooManuals net ...
Page 767: ...NOTE www SeaDooManuals net ...
Page 768: ...NOTE www SeaDooManuals net ...
Page 769: ...F00Z0D 2003 GTI MODEL WARNING www SeaDooManuals net ...
Page 770: ...F00Z0C 2003 GTI LE MODEL WARNING www SeaDooManuals net ...
Page 771: ...F00Z0E 2003 GTI LE RFI MODEL WARNING www SeaDooManuals net ...
Page 772: ...F00Z0J 2003 RX DI MODEL WARNING www SeaDooManuals net ...
Page 773: ...F00Z0I 2003 GTX DI MODEL WARNING www SeaDooManuals net ...
Page 774: ...F00Z0K 2003 XP DI MODEL WARNING www SeaDooManuals net ...
Page 775: ...F00Z0F 2003 GTX 4 TEC MODEL WARNING www SeaDooManuals net ...
Page 776: ...F00Z0G 2003 GTX 4 TEC MODEL WITH AUXILIARY DESS MODULE WARNING www SeaDooManuals net ...
Page 777: ...F00Z0B 2003 GTX 4 TEC AND GTX 4 TEC SUPERCHARGED MODELS WARNING www SeaDooManuals net ...
Page 779: ...www SeaDooManuals net ...