Cool Fuel System
FUEL FLOW DIAGRAM
The Cool Fuel System consists of an electrical fuel
pump, water separating fuel filter and port mounted
fuel cooler.
a
i
Fuel is drawn from the boat fuel tank through a water
separating fuel filter by an electric fuel pump then
through fuel cooler. Fuel is fed to fuel injectors in the
throttle body (or fuel rail on multi-port injection sys-
tem). Excess fuel is routed back to water separating
fuel filter from the pressure regulator mounted on the
fuel cooler.
k
b
c
g
d
h
f
74871
e
Throttle Body Injection System (Typical)
a - Vacuum Line To Flame Arrestor (Throttle Body Injection)
Or Fuel Rail (Multi-Port Injection)
b - Fuel Pressure Regulator
c - Fuel Cooler
d - Electric Fuel Pump
e - Water Separating Fuel Filter
f - Fuel From Tank
g - Direction Of Water Flow
h - Fuel Line To Fuel Pump
i - Fuel Line To Throttle Body (Throttle Body Injection) Or Fuel
Rail (Multi-Port Injection)
j - Excess Fuel Return To Water Separating Fuel Filter
Index
90-823224--2 796
ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5C-23
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
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