Section 5E - Fuel Delivery System
For Electronic Fuel Injection
Specifications . . . . . . . . . . . . . . . . . . . . . . .
5E-2
5E-2
5E-2
5E-2
5E-2
5E-3
5E-3
5E-4
5E-4
5E-5
5E-6
5E-6
Water Separating Fuel Filter . . . . . . . . . .
5E-7
Torque Specifications . . . . . . . . . . . . . . . .
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives . . . . .
Replacement Parts Warning . . . . . . . . . .
Precautions . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Supply Connections . . . . . . . . . . . . .
Fuel Delivery System . . . . . . . . . . . . . . . .
Recommendations . . . . . . . . . . . . . . . .
Cool Fuel System Exploded View . . . . .
Fuel System Flow Diagrams . . . . . . . . . .
Throttle Body Injection . . . . . . . . . . . .
Water Separating Fuel Filter
Replacement . . . . . . . . . . . . . . . . . . . .
Cool Fuel System Repair . . . . . . . . . . . . .
Removal . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly . . . . . . . . . . . . . . . . . . . . .
Reassembly . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
Vacuum and Vent Hose Routing . . . . . . .
Throttle Body EFI . . . . . . . . . . . . . . . . .
5E-8
5E-8
5E-8
5E-10
5E-11
5E-13
5E-15
5E-15
Section 5F - Fuel Injection Descriptions And
System Operation
Special Tools . . . . . . . . . . . . . . . . . . . . . . .
Service Precautions . . . . . . . . . . . . . . . . .
General Information . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . .
Visual/Physical Inspection . . . . . . . . .
Basic Knowledge and Tools Required
Electrostatic Discharge Damage . . . .
Diagnostic Information . . . . . . . . . . . .
Wiring Harness Service . . . . . . . . . . .
Wiring Connector Service . . . . . . . . . .
Abbreviations . . . . . . . . . . . . . . . . . . . . . . .
ECM Self-Diagnostics . . . . . . . . . . . . . . . .
Diagnostic Code Tool
5F-2
5F-3
5F-5
5F-5
5F-5
5F-5
5F-5
5F-5
5F-6
5F-7
5F-8
5F-9
Electronic Control Module (ECM)
and Sensors . . . . . . . . . . . . . . . . . . . . . . .
General Description . . . . . . . . . . . . . . .
Computers and Voltage Signals . . . .
Analog Signals . . . . . . . . . . . . . . . . . . .
Digital Signals . . . . . . . . . . . . . . . . . . . .
Engine Control Module (ECM) . . . . . .
Speed Density System . . . . . . . . . . . .
ECM Input and Sensor Descriptions .
Spark Management . . . . . . . . . . . . . . . . . .
High Energy Ignition with
5F-13
5F-13
5F-13
5F-13
5F-14
5F-15
5F-16
5F-17
5F-22
Ignition Control (IC) . . . . . . . . . . . . . .
Modes Of Operation . . . . . . . . . . . . . .
Base Ignition Timing . . . . . . . . . . . . . .
Results of Incorrect Operation . . . . . .
Fuel Metering System . . . . . . . . . . . . . . . .
General Description . . . . . . . . . . . . . . .
Cool Fuel Systems . . . . . . . . . . . . . . . .
Modes of Operation . . . . . . . . . . . . . . .
Throttle Body Injection Components .
5F-22
5F-23
5F-24
5F-25
5F-26
5F-26
5F-26
5F-26
5F-28
With Malfunction Indicator Lamp . . .
Intermittent Malfunction
5F-9
Indicator Lamp . . . . . . . . . . . . . . . . . . .
Reading Codes . . . . . . . . . . . . . . . . . . .
Scan Tools . . . . . . . . . . . . . . . . . . . . . . .
EFI Diagnostic Circuit Check . . . . . . .
Scan Tool Use With Intermittents . . .
Non-Scan Diagnosis of Driveability
Concerns (With No Codes Set) . . . .
5F-9
5F-10
5F-11
5F-11
5F-11
5F-12
Section 5G - Fuel Injection Disassembly And Reassembly
Precautions . . . . . . . . . . . . . . . . . . . . . . . .
Torque Specifications . . . . . . . . . . . . . . . .
Flame Arrestor And Throttle Body . . . . .
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 . . . . . . . . . . . . . . . . . . . .
5G-2
5G-3
5G-4
5G-7
5G-7
5G-8
5G-9
5G-9
5G-9
5G-11
Throttle Body Adapter Plate . . . . . . . . 5G-17
Engine Control Module (ECM) . . . . . . 5G-18
Knock Sensor (KS) Module
(MEFI 1 Only) . . . . . . . . . . . . . . . . . . . 5G-19
Engine Coolant Temperature
(ECT) Sensor . . . . . . . . . . . . . . . . . . . . 5G-20
Manifold Absolute Pressure
(MAP) Sensor . . . . . . . . . . . . . . . . . . . 5G-21
Throttle Position (TP) Sensor . . . . . . . 5G-22
Idle Air Control (IAC) Valve . . . . . . . . 5G-23
Knock Sensor . . . . . . . . . . . . . . . . . . . . 5G-25
Throttle Body . . . . . . . . . . . . . . . . . . . . 5G-13
Page x
90-861328--1 NOVEMBER 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 1262 CID, Mercury MerCruiser 262 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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