454 / 502 Mag Mpi And 8.2L Mpi Fuel Rail And Injectors - Mercury MerCruiser MCM 454 Mag MPI Service Manual

MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY

454 / 502 Mag MPI and 8.2L MPI Fuel Rail and Injectors

FUEL COOLER-TO-FUEL RAIL LINE (MEFI 3)
There are several differences in fuel cooler to fuel rail lines in MEFI 3 models. Refer to SEC-
TION 5A for complete instructions.
REMOVAL
1. Remove flame arrestor, throttle body, and plenum as outlined in this section.
2. Disconnect electrical connector at each fuel injector.
3. Remove fuel line retainer from fuel rail. Remove inlet fuel line from fuel rail.
4. Remove fuel rail mounting screws.
Index
Page 5C-16
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Refer to "Precautions" in this section, BEFORE proceeding.
a
a - Fuel Rail
b - Fuel Line, Cooler-to-Fuel Rail
c - Screw
d - O-Ring
b
a - Fuel Rail
b - Fuel Inlet Line
c - O-Ring
d - Fuel Line Retainer
e - Retainer Screw
f - Fuel Rail Mounting Screws
NOTICE
b
f
c
a
d
e
SERVICE MANUAL NUMBER 23
d
b
c
a
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90-861326--1 MARCH 1999