DIRECT FUEL INJECTION
Page 3B-34 90-855347R1 JANUARY 1999
NOTE: It is recommended that direct injectors remain in the cylinder head (if they are not
to be replaced) while removing the fuel rail. The direct injectors have a teflon seal which
may expand if the injector is removed from the head. This expansion may cause rein-
stallation difficulty or require the replacement of the seal.
4. Remove 2 nuts securing fuel rail.
5. As fuel rail is removed, use a flat tip screw driver to hold direct injectors in cylinder
head.
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a-Fuel Rail
b-Direct Injectors
Fuel Rail Disassembly
The starboard fuel rail contains 3 fuel injectors and a tracker valve.
The port fuel rail contains 3 fuel injectors, 1 fuel fuel regulator and 1 air regulator.
NOTE: Each fuel/air inlet or outlet hose adaptor has 2 O-ring seals. These O-rings should
be inspected for cuts or abrasions and replaced as required when fuel rail is disassembled
for cleaning.
56122
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a
a
a
b
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d
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d
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a
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e
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a-Fuel Injector
b-Fuel Regulator
c-Air Regulator
d-Tracker Valve
e-Fuel/Air Inlet (hidden)
f-Fuel/Air Outlet
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