SERVICE MANUAL NUMBER 23
MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY
FUEL SYSTEM
Section 5C - Multi-Port Fuel Injection Disassembly And Reassembly
Table of Contents
Precautions . . . . . . . . . . . . . . . . . . . . . . . .
5C-2
5C-3
Mag MPI and 8.2L MPI Flame
Idle Air Control (IAC) Valve . . . . . . . . 5C-30
Knock Sensor (KS) . . . . . . . . . . . . . . . 5C-32
Fuel Pump Relay . . . . . . . . . . . . . . . . . 5C-33
Electrical Box Exploded View . . . . . . 5C-34
Vacuum Line Routing . . . . . . . . . . . . . . . . 5C-35
Exploded Views . . . . . . . . . . . . . . . . . . . . .
454/502
Arrestor and Throttle Body . . . . . . . .
Mag MPI and 8.2L MPI
Plenum . . . . . . . . . . . . . . . . . . . . . . . .
5C-3
454/502
5C-4
454 / 502 MPI and 8.2L MPI Models
5C-35
454/502
Mag MPI and 8.2L MPI
Exploded View . . . . . . . . . . . . . . . . . . . . . . 5C-36
7.4L MPI Intake Manifold, Plenum
and Fuel Rail . . . . . . . . . . . . . . . . . . . 5C-36
7.4L MPI Throttle Body and Adapter
Intake Manifold and Fuel Rail . . . . .
5C-6
5C-8
Fuel Pressure Relief Procedure . . . . . . .
454
/ 502 Mag MPI Multi-Port
Components . . . . . . . . . . . . . . . . . . . . . . .
Flame Arrestor . . . . . . . . . . . . . . . . . . .
Throttle Body . . . . . . . . . . . . . . . . . . . .
5C-8
5C-8
5C-9
Components . . . . . . . . . . . . . . . . . . . . 5C-38
Fuel Pressure Relief Procedure . . . . . . . 5C-39
7.4L MPI Components . . . . . . . . . . . . . . . 5C-39
Flame Arrestor . . . . . . . . . . . . . . . . . . . 5C-39
Throttle Body . . . . . . . . . . . . . . . . . . . . 5C-40
Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . 5C-41
Fuel Rail and Fuel Injectors . . . . . . . . 5C-44
Map Sensor . . . . . . . . . . . . . . . . . . . . . . 5C-47
Throttle Position Sensor . . . . . . . . . . . 5C-48
5
C
Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . 5C-13
4
54 / 502 Mag MPI and 8.2L MPI
Fuel Rail and Injectors . . . . . . . . . . . 5C-16
Fuel Pressure Damper . . . . . . . . . . . . 5C-19
454
/ 502 Mag MPI and 8.2L MPI
Fuel Injectors . . . . . . . . . . . . . . . . . . . 5C-20
/ 502 MPI and 8.2L MPI - Sensor and
454
Intake Air Temperature (IAT) Sensor
5C-49
Module Servicing . . . . . . . . . . . . . . . . . . . 5C-22
Precautions . . . . . . . . . . . . . . . . . . . . . . 5C-22
Electronic Control Module (ECM) . . . 5C-22
Knock Sensor (KS) Module . . . . . . . . 5C-24
Engine Coolant Temperature (ECT)
Idle Air Control (IAC) Valve . . . . . . . . 5C-50
Knock Sensor . . . . . . . . . . . . . . . . . . . . 5C-52
Knock Sensor Module . . . . . . . . . . . . . 5C-53
Fuel Pump Relay . . . . . . . . . . . . . . . . . 5C-54
Electronic Control Module (ECM) . . . 5C-54
Engine Coolant Temperature (ECT)
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 5C-55
Vacuum Line Routing . . . . . . . . . . . . . . . . 5C-56
7.4L MPI Models . . . . . . . . . . . . . . . . . 5C-56
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 5C-26
Manifold Absolute Pressure (MAP)
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 5C-27
Throttle Position (TP) Sensor . . . . . . . 5C-28
Intake Air Temperature (IAT) Sensor
5C-29
Index
90-861326--1
MARCH 1999
Page 5C-1
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...