Mercury MerCruiser MCM 502 Mag MPI

FUEL DELIVERY SYSTEM FOR ELECTRONIC FUEL INJECTION
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 5A-21
454/502 MPI and 8.2L MPI Models With MEFI 3
75739
a
b
c
e
f
g
d
a-Plenum
b-Cool Fuel Assembly
c-Vacuum Hose - Fuel Pressure Regulator on Cool Fuel Assembly-to-Plenum
d-Vent Hose - Valve Cover to Throttle Body Flame Arrestor
e-Vent Hose - Front of Plenum to PCV Valve
f-PCV Valve
g-Front of Engine
7.4L MPI Models With MEFI 3
75728
a
b
c
e
f
g
h
i
j
k
d
a-Plenum
b-Cool Fuel Assembly
c-Vacuum Hose - Fuel Pressure Regulator on Cool Fuel Assembly-to-Plenum
d-Vent Hose - Valve Cover to Throttle Body Flame Arrestor
e-Vent Hose - Front of Plenum to PCV Valve
f-Vacuum Hose - T-Fitting to Fuel Rail Fuel Regulator
g-Vacuum Hose - T-Fitting to Intake Manifold
h-T-Fitting
i-PCV Valve
j-GM Fuel Rail Mounted Fuel Pressure Regulator - This regulator is not used.
k-Front of Engine
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