Dodge RAM 1500 1998 Owner's Manual page 1570

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FUEL DELIVERY - GAS
FUEL INJECTION - GAS
FUEL DELIVERY - GAS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
STANDARD PROCEDURE - FUEL SYSTEM
PRESSURE RELEASE . . . . . . . . . . . . . . . . . . . 2
SPECIFICATIONS
FUEL SYSTEM PRESSURE
TORQUE - FUEL SYSTEM - EXCEPT
DIESEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SPECIAL TOOLS
FUEL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 5
FUEL FILTER/PRESSURE REGULATOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 5
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
FUEL LEVEL SENDING UNIT / SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 6
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FUEL LINES
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 7
QUICK CONNECT FITTING
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 8
FUEL DELIVERY - GAS
DESCRIPTION
The fuel delivery system consists of:
• a fuel pump module containing the electric fuel
pump, fuel filter/fuel pressure regulator, fuel gauge
sending unit (fuel level sensor) and a secondary fuel
filter located at the bottom of the pump module
• fuel tubes/lines/hoses
• a combination fuel filter/fuel pressure regulator
• quick-connect fittings
FUEL SYSTEM
TABLE OF CONTENTS
page
. . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . 21
FUEL DELIVERY - GAS
TABLE OF CONTENTS
page
. . . . . . . . . . . . . . 3
FUEL DELIVERY - DIESEL
FUEL INJECTION - DIESEL
STANDARD PROCEDURE - QUICK-CONNECT
FITTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
FUEL PUMP
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 11
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
FUEL PUMP MODULE
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 11
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 12
FUEL RAIL
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 12
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 15
FUEL TANK
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 17
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
REMOVAL- EXCEPT DIESEL
INSTALLATION - EXCEPT DIESEL
INLET FILTER
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 20
• fuel injector rail
• fuel tank
• fuel tank filler/vent tube assembly
• fuel tank filler tube cap
• accelerator pedal
• throttle cable
Certain fuel delivery components can be found in
(Fig. 1).
FUEL SYSTEM 14 - 1
page
. . . . . . . . . . . . . . . . . 44
. . . . . . . . . . . . . . . . 68
page
. . . . . . . . . . . . . . 17
. . . . . . . . . . 19