![Mariner Mercury 105/140 JET Service Manual Download Page 226](http://html1.mh-extra.com/html/mariner-mercury/105-140-jet/105-140-jet_service-manual_1727410226.webp)
•
Perform all preliminary checks
•
Install fuel pressure gauge (P/N 91-16850A2)
on to manifold pressure port.
•
Place ignition switch in “OFF” position 30 sec-
onds before testing.
•
Place ignition switch in “ON” position and note
pressure within 30 seconds (36 to 39 psi; 248 to
269 kPa).
No or low fuel pressure
Pump does not run
Fuel pressure above 39 psi (269 kPa)
Perform Vapor Separator Fuel
Delivery Test (page 3C-23).
Follow High Pressure Fuel
Route Flow Chart.
Follow High Pressure Fuel
Route Flow Chart.
No or little fuel flow from vapor
separator. Reconnect hose.
Fuel flows freely from vapor
separator. Reconnect hose.
Perform Vapor Separator Float
Test (page 3C-23).
Follow High Pressure Fuel
Route Flow Chart.
Fuel flows from fresh fuel inlet
hose.
Little or no flow from fresh fuel
inlet hose. Reconnect hose.
Inspect float system of vapor
separator.
Perform Water Separating Filter
Flow Test (page 3C-24).
Low or no fuel flow from water sep-
arating inlet hose. Reconnect hose.
Fuel flows freely from water separat-
ing filter inlet hose. Reconnect hose.
Perform Pulse Fuel Pump Deliv-
ery Test (page 3C-25).
Replace water separating
filter.
Fuel flows freely from pulse
pump inlet hose.
No fuel flow to pulse fuel
pump.
See pulse pump removal and
inspection Section “3A”. Locate
all fragments of failed pump be-
fore reassembly.
Check for restrictions, holes or
loose connections from fuel supply.
Results
Results
Results
Results
Results
Results
Results
Results
Check in-line Filter
90-824052R3 JUNE 2002
FUEL SYSTEMS - 3C-19
EFI Fuel Management (Low
Pressure Fuel Route)
Summary of Contents for 105/140 JET
Page 5: ...1 A IMPORTANT INFORMATION SPECIFICATIONS...
Page 14: ...1 B IMPORTANT INFORMATION MAINTENANCE...
Page 25: ...C 1 IMPORTANT INFORMATION GENERAL INFORMATION...
Page 34: ...D 1 B A D C IMPORTANT INFORMATION OUTBOARD MOTOR INSTALLATION...
Page 50: ...A 2 ELECTRICAL IGNITION SYSTEM...
Page 79: ...2A 28 ELECTRICAL 90 824052R3 JUNE 2002 SPARK PLUG WIRE ROUTING HIGH PERFORMANCE OUTBOARDS...
Page 80: ...B 2 51797 ELECTRICAL BATTERY CHARGING SYSTEM AND STARTING SYSTEM...
Page 101: ...C 2 ELECTRICAL TIMING SYNCHRONIZING ADJUSTING...
Page 117: ...D 2 ELECTRICAL WIRING...
Page 133: ...90 824052R3 JUNE 2002 ELECTRICAL 2D 15 Notes...
Page 149: ...A 3 FUEL SYSTEMS FUEL PUMP...
Page 159: ...B 3 54350 FUEL SYSTEMS CARBURETORS...
Page 161: ...90 824052R3 JUNE 2002 FUEL SYSTEMS 3B 1 Notes...
Page 206: ...C 3 FUEL SYSTEMS FUEL INJECTION SN 0G303045 AND BELOW...
Page 213: ...1 2 3 4 5 6 7 8 3C 6 FUEL SYSTEMS 90 824052R3 JUNE 2002 Fuel Management System...
Page 272: ...D 3 55173 FUEL SYSTEMS FUEL INJECTION SN 0G303046 AND ABOVE...
Page 344: ...E 3 FUEL SYSTEMS OIL INJECTION...
Page 370: ...4 51804 A POWERHEAD...
Page 418: ...90 824052R3 JUNE 2002 POWERHEAD 4A 47 Notes...
Page 429: ...4 51804 B POWERHEAD COOLING...
Page 434: ...4B 4 POWERHEAD 90 824052R3 JUNE 2002 Notes...
Page 436: ...90 824052R3 JUNE 2002 4B 6 POWERHEAD...
Page 441: ...A 5 MID SECTION CLAMP SWIVEL BRACKET AND DRIVESHAFT HOUSING...
Page 443: ...90 824052R3 JUNE 2002 MID SECTION 5A 1 Notes...
Page 457: ...B 5 MID SECTION POWER TRIM SQUARE MOTOR AND ROUND MOTOR DESIGN...
Page 495: ...A 6 LOWER UNIT E Z SHIFT GEAR HOUSING STANDARD ROTATION...
Page 554: ......
Page 555: ...B 6 LOWER UNIT COUNTER ROTATING LEFT HAND GEAR CASE...
Page 616: ...C 6 LOWER UNIT MERCURY XR6 MARINER MAGNUM III GEAR HOUSING...
Page 651: ...D 6 LOWER UNIT E Z SHIFT GEAR HOUSING NON RATCHETING STANDARD ROTATION STARTING S N 0G438000...
Page 657: ...90 824052R3 JUNE 2002 LOWER UNIT 6D 5 Notes...
Page 697: ...90 824052R3 JUNE 2002 LOWER UNIT 6E 5 Notes...
Page 740: ...6 F JET OUTBOARDS...
Page 742: ...90 824052R3 JUNE 2002 JET OUTBOARDS 6F 1 Notes...
Page 759: ...7 ATTACHMENTS CONTROL LINKAGE...