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90-824052R3 JUNE 2002
FUEL SYSTEMS - 3D-13
EFI System Tests
•
EFI Electrical System and ECM Check
•
Fuel Gauge Connection/Pressure Test
•
Vapor Separator Fuel Delivery Test
•
Vapor Separator Float Test
•
Water Separating Filter Flow Test
•
Pulse Fuel Pump Delivery Test
•
Final Filter Check
•
Fuel Pressure Regulator Test
•
Electric Fuel Pump Test
•
Injector Electrical Test
•
Injector Fuel Delivery Test
•
Injector Operating Test (Manifold Cover
Removed)
•
Induction Manifold Leak Check (Manifold Cover
Removed)
•
Sensor Tests
Safety Precautions
CAUTION
Always use approved safety glasses or goggles
when working on pressurized fuel systems.
DANGER
Outboard motor fuels are extremely flammable.
Do not show open sparks or flames when
working near fuel systems.
WARNING
To avoid potential fire hazards, use extreme
caution when connecting and disconnecting fuel
line connections and test adaptors. Do not allow
fuel to spill on hot engine parts or on live
electrical connections.
CAUTION
Wipe up fuel spills immediately.
CAUTION
Depressurize fuel system prior to opening line
connections or removing fuel system
components.
DANGER
Perform the tests in this section in a well
ventilated area to avoid being overcome by fuel
vapors or poisonous exhaust gases.
WARNING
Disable the ignition system by grounding
mercury switch prior to performing any tests that
require removal of the induction manifold cover.
Fuel Injection System Function
Fuel is delivered directly to the engine by way of fuel
injectors. These injectors are provided with a
constant
supply of fuel (34 to 36 psi; 234 to 238 kPa)
delivered to the fuel rail. The injectors are opened
and closed electronically by the Electronic Control
Module (ECM). The ECM receives input signals from
various sensors in the EFI system which in turn
transmits controlling outputs (open/close) to the
injectors. The length of time the injectors stay open
is considered pulse width. The pulse width will widen
(richer) or narrow (leaner) depending on signals
ECM receives from sensors, to allow efficient
operation at all speeds and conditions.
IMPORTANT: The following preliminary steps
MUST BE FOLLOWED before attempting EFI
problem diagnosis.
Содержание 105/140 JET
Страница 5: ...1 A IMPORTANT INFORMATION SPECIFICATIONS...
Страница 6: ...90 824052R3 JUNE 2002 1A 0 IMPORTANT INFORMATION Table of Contents Page Master Specifications 1A 1...
Страница 14: ...1 B IMPORTANT INFORMATION MAINTENANCE...
Страница 25: ...C 1 IMPORTANT INFORMATION GENERAL INFORMATION...
Страница 34: ...D 1 B A D C IMPORTANT INFORMATION OUTBOARD MOTOR INSTALLATION...
Страница 50: ...A 2 ELECTRICAL IGNITION SYSTEM...
Страница 79: ...2A 28 ELECTRICAL 90 824052R3 JUNE 2002 SPARK PLUG WIRE ROUTING HIGH PERFORMANCE OUTBOARDS...
Страница 80: ...B 2 51797 ELECTRICAL BATTERY CHARGING SYSTEM AND STARTING SYSTEM...
Страница 101: ...C 2 ELECTRICAL TIMING SYNCHRONIZING ADJUSTING...
Страница 117: ...D 2 ELECTRICAL WIRING...
Страница 133: ...90 824052R3 JUNE 2002 ELECTRICAL 2D 15 Notes...
Страница 149: ...A 3 FUEL SYSTEMS FUEL PUMP...
Страница 159: ...B 3 54350 FUEL SYSTEMS CARBURETORS...
Страница 161: ...90 824052R3 JUNE 2002 FUEL SYSTEMS 3B 1 Notes...
Страница 206: ...C 3 FUEL SYSTEMS FUEL INJECTION SN 0G303045 AND BELOW...
Страница 213: ...1 2 3 4 5 6 7 8 3C 6 FUEL SYSTEMS 90 824052R3 JUNE 2002 Fuel Management System...
Страница 272: ...D 3 55173 FUEL SYSTEMS FUEL INJECTION SN 0G303046 AND ABOVE...
Страница 344: ...E 3 FUEL SYSTEMS OIL INJECTION...
Страница 370: ...4 51804 A POWERHEAD...
Страница 418: ...90 824052R3 JUNE 2002 POWERHEAD 4A 47 Notes...
Страница 429: ...4 51804 B POWERHEAD COOLING...
Страница 434: ...4B 4 POWERHEAD 90 824052R3 JUNE 2002 Notes...
Страница 436: ...90 824052R3 JUNE 2002 4B 6 POWERHEAD...
Страница 441: ...A 5 MID SECTION CLAMP SWIVEL BRACKET AND DRIVESHAFT HOUSING...
Страница 443: ...90 824052R3 JUNE 2002 MID SECTION 5A 1 Notes...
Страница 457: ...B 5 MID SECTION POWER TRIM SQUARE MOTOR AND ROUND MOTOR DESIGN...
Страница 495: ...A 6 LOWER UNIT E Z SHIFT GEAR HOUSING STANDARD ROTATION...
Страница 554: ......
Страница 555: ...B 6 LOWER UNIT COUNTER ROTATING LEFT HAND GEAR CASE...
Страница 616: ...C 6 LOWER UNIT MERCURY XR6 MARINER MAGNUM III GEAR HOUSING...
Страница 651: ...D 6 LOWER UNIT E Z SHIFT GEAR HOUSING NON RATCHETING STANDARD ROTATION STARTING S N 0G438000...
Страница 657: ...90 824052R3 JUNE 2002 LOWER UNIT 6D 5 Notes...
Страница 691: ...E 6 LOWER UNIT E Z SHIFT COUNTER ROTATING GEAR HOUSING NON RATCHETING LEFT HAND ROTATION STARTING S N 0G438000...
Страница 697: ...90 824052R3 JUNE 2002 LOWER UNIT 6E 5 Notes...
Страница 740: ...6 F JET OUTBOARDS...
Страница 742: ...90 824052R3 JUNE 2002 JET OUTBOARDS 6F 1 Notes...
Страница 759: ...7 ATTACHMENTS CONTROL LINKAGE...