Section 5D - Fuel Injection Descriptions And
System Operation
Special Tools . . . . . . . . . . . . . . . . . . . . . . .
Service Precautions . . . . . . . . . . . . . . . . .
General Information . . . . . . . . . . . . . . . . .
Electrostatic Discharge Damage . . . .
Diagnostic Information . . . . . . . . . . . .
Wiring Harness Service . . . . . . . . . . .
Wiring Connector Service . . . . . . . . . .
Abbreviations . . . . . . . . . . . . . . . . . . . . . . .
ECM Self-Diagnostics . . . . . . . . . . . . . . . .
Diagnostic Code Tool With
5D-2
5D-3
5D-5
5D-5
5D-5
5D-5
5D-6
5D-7
5D-8
Electronic Control Module (ECM)
and Sensors . . . . . . . . . . . . . . . . . . . . . . . 5D-12
General Description . . . . . . . . . . . . . . . 5D-12
Computers and Voltage Signals . . . . 5D-12
Analog Signals . . . . . . . . . . . . . . . . . . . 5D-12
Digital Signals . . . . . . . . . . . . . . . . . . . . 5D-13
Engine Control Module (ECM) . . . . . . 5D-14
Speed Density System . . . . . . . . . . . . 5D-15
ECM Input and Sensor Descriptions .
Spark Management . . . . . . . . . . . . . . . . . . 5D-20
High Energy Ignition with
5D-16
Malfunction Indicator Lamp . . . . . . . .
Intermittent Malfunction
5D-8
Ignition Control (IC) . . . . . . . . . . . . . . 5D-20
Modes Of Operation . . . . . . . . . . . . . . 5D-21
Base Ignition Timing . . . . . . . . . . . . . . 5D-22
Results of Incorrect Operation . . . . . . 5D-23
Fuel Metering System . . . . . . . . . . . . . . . . 5D-24
General Description . . . . . . . . . . . . . . . 5D-24
Cool Fuel Systems . . . . . . . . . . . . . . . . 5D-24
Modes of Operation . . . . . . . . . . . . . . . 5D-24
Indicator Lamp . . . . . . . . . . . . . . . . . . .
Reading Codes . . . . . . . . . . . . . . . . . . .
5D-8
5D-9
Scan Tools . . . . . . . . . . . . . . . . . . . . . . . 5D-10
EFI Diagnostic Circuit Check . . . . . . . 5D-10
Scan Tool Use With Intermittents . . . 5D-10
Non-Scan Diagnosis of Driveability
Concerns (With No Codes Set) . . . .
5D-11
Throttle Body Injection Components .
Mag MPI And Black Scorpion -
Multi-Port Injection Components . . . 5D-30
5D-26
350
Section 5E - Fuel Injection Disassembly And Reassembly
Service Precautions . . . . . . . . . . . . . . . . .
Torque Specifications . . . . . . . . . . . . . . . .
Exploded Views - 350 Mag MPI . . . . . . .
Flame Arrestor And Throttle Body . . .
Flame Arrestor And Throttle Body . . .
Intake Manifold And Fuel Rail . . . . . .
Intake Manifold And Fuel Rail . . . . . .
Fuel Pressure Relief Procedure . . . . . . .
5E-2
5E-3
MAP Sensor . . . . . . . . . . . . . . . . . . . . .
Throttle Position Sensor . . . . . . . . . . .
Idle Air Control (IAC) Valve . . . . . . . .
Knock Sensor . . . . . . . . . . . . . . . . . . . .
Knock Sensor Module . . . . . . . . . . . . .
Fuel Pump Relay . . . . . . . . . . . . . . . . .
System Relay . . . . . . . . . . . . . . . . . . . .
Engine Control Module . . . . . . . . . . . .
Engine Coolant Temperature Sensor
Vacuum And Vent Hose Routing . . . . . .
Scorpion Models . . . . . . . . . . . . . . . . .
Exploded Views - Throttle Body EFI . . .
Throttle Body Body And Adapter . . . .
Throttle Body Assembly . . . . . . . . . . .
Fuel Pressure Relief Procedure . . . . . . .
Throttle Body EFI Components . . . . . . .
Fuel Meter Cover Assembly . . . . . . . .
Fuel Injectors . . . . . . . . . . . . . . . . . . . .
Throttle Body . . . . . . . . . . . . . . . . . . . .
Throttle Body Adapter Plate . . . . . . . .
Engine Control Module (ECM) . . . . . .
Knock Sensor (KS) Module
5E-40
5E-41
5E-43
5E-45
5E-46
5E-46
5E-47
5E-47
5E-48
5E-49
5E-49
5E-50
5E-50
5E-51
5E-52
5E-52
5E-52
5E-54
5E-56
5E-58
5E-59
5E-4
5E-4
5E-5
5E-6
5E-7
5E-8
350
Mag MPI Components . . . . . . . . . . .
5E-8
Flame Arrestor . . . . . . . . . . . . . . . . . . .
Throttle Body . . . . . . . . . . . . . . . . . . . .
Throttle Position Sensor . . . . . . . . . . .
Idle Air Control (IAC) Valve . . . . . . . .
Knock Sensor . . . . . . . . . . . . . . . . . . . .
Knock Sensor Module . . . . . . . . . . . . .
Fuel Pump Relay . . . . . . . . . . . . . . . . .
System Relay . . . . . . . . . . . . . . . . . . . .
Electronic Control Module (ECM) . . .
Engine Coolant Temperature
5E-8
5E-11
5E-14
5E-16
5E-18
5E-19
5E-20
5E-20
5E-21
(ECT) Sensor . . . . . . . . . . . . . . . . . . . .
Vacuum And Vent Hose Routing . . . . . .
5E-23
5E-24
5E-24
5E-25
350
Mag MPI Models . . . . . . . . . . . . .
Exploded Views - Black Scorpion . . . . . .
Plenum, Throttle Body And
(MEFI 1 and MEFI 2 Only) . . . . . . . .
Engine Coolant Temperature
5E-61
5E-62
Flame Arrestor . . . . . . . . . . . . . . . . . . .
Intake Manifold And Fuel Rails . . . . .
Fuel Pressure Relief Procedure . . . . . . .
Black Scorpion Components . . . . . . . . . .
Flame Arrestor . . . . . . . . . . . . . . . . . . .
Throttle Body . . . . . . . . . . . . . . . . . . . .
Plenum . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Rails . . . . . . . . . . . . . . . . . . . . . . .
Fuel Injectors . . . . . . . . . . . . . . . . . . . .
5E-25
5E-26
5E-27
5E-27
5E-27
5E-29
5E-35
5E-37
5E-39
(ECT) Sensor . . . . . . . . . . . . . . . . . . . .
Manifold Absolute Pressure
(MAP) Sensor . . . . . . . . . . . . . . . . . . .
Throttle Position (TP) Sensor . . . . . . .
Idle Air Control (IAC) Valve . . . . . . . .
Knock Sensor . . . . . . . . . . . . . . . . . . . .
Vacuum And Vent Hose Routing . . . . . .
Throttle Body EFI Models . . . . . . . . . .
5E-63
5E-64
5E-65
5E-67
5E-68
5E-68
90-861327--1
OCTOBER 1999
Page xi
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 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 Engines Service Manual Number 24 GM V-8 305 CID 350 CID 4.0 out of 4.0 based on 1 product reviews. Great performance engine.
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