Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1997.1999-2001 Approved 2000 XJ Jeep Cherokee exj_14

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XJ                                                                                                                 FUEL SYSTEM              14 - 1



                                                         FUEL SYSTEM
                                                      TABLE OF CONTENTS

                                                                  page                                                                          page

FUEL DELIVERY SYSTEM. . . . . . . . . . . . . . . . . . . . 1               FUEL INJECTION SYSTEM . . . . . . . . . . . . . . . . . . 25



                                           FUEL DELIVERY SYSTEM

                                                            TABLE OF CONTENTS
                                                                  page                                                                          page

DESCRIPTION AND OPERATION                                                    QUICK-CONNECT FITTINGS . . . . . . . . . . . . . .                 . . 10
  PCM VIN REPROGRAMMING . . . . . . . . . . . . . . . . 1                   REMOVAL AND INSTALLATION
  FUEL DELIVERY SYSTEM . . . . . . . . . . . . . . . . . . . 1               FUEL FILTER/FUEL PRESSURE REGULATOR .                              .   . 13
  FUEL PUMP MODULE . . . . . . . . . . . . . . . . . . . . . . 2             FUEL PUMP MODULE . . . . . . . . . . . . . . . . . . .             .   . 14
  FUEL PUMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3     FUEL PUMP INLET FILTER . . . . . . . . . . . . . . .               .   . 15
  FUEL GAUGE SENDING UNIT . . . . . . . . . . . . . . . . 3                  FUEL GAUGE SENDING UNIT . . . . . . . . . . . . .                  .   . 16
  FUEL FILTER/FUEL PRESSURE REGULATOR. . . . 3                               FUEL INJECTOR RAIL/FUEL DAMPER--2.5L
  FUEL TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4      ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . .   . . 16
  FUEL INJECTORS . . . . . . . . . . . . . . . . . . . . . . . . . 4         FUEL INJECTOR RAIL/FUEL DAMPER--4.0L
  FUEL INJECTOR RAIL/FUEL DAMPER--2.5L                                         ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . .   .   . 17
   ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5    FUEL INJECTORS . . . . . . . . . . . . . . . . . . . . . .         .   . 19
  FUEL RAIL/FUEL DAMPER--4.0L ENGINE. . . . . . . 5                          FUEL TANK . . . . . . . . . . . . . . . . . . . . . . . . . . .    .   . 19
  FUEL TANK FILLER TUBE CAP . . . . . . . . . . . . . . . 6                  FUEL TANK FILLER TUBE CAP . . . . . . . . . . . .                  .   . 21
  FUEL TUBES/LINES/HOSES AND CLAMPS . . . . . . 6                            ACCELERATOR PEDAL . . . . . . . . . . . . . . . . . .              .   . 21
  QUICK-CONNECT FITTINGS . . . . . . . . . . . . . . . . . 6                 THROTTLE CABLE . . . . . . . . . . . . . . . . . . . . .           .   . 22
DIAGNOSIS AND TESTING                                                       SPECIFICATIONS
  FUEL PUMP PRESSURE TEST . . . . . . . . . . . . . . . 6                    FUEL TANK CAPACITY . . . . . . . . . . . . . . . . . .             .   . 23
  FUEL PUMP CAPACITY TEST . . . . . . . . . . . . . . . . 7                  FUEL SYSTEM PRESSURE . . . . . . . . . . . . . . .                 .   . 23
  FUEL PRESSURE LEAK DOWN TEST . . . . . . . . . . 7                         FUEL REQUIREMENTS . . . . . . . . . . . . . . . . . .              .   . 23
  FUEL PUMP AMPERAGE TEST . . . . . . . . . . . . . . . 8                    TORQUE CHART . . . . . . . . . . . . . . . . . . . . . . .         .   . 24
  FUEL GAUGE SENDING UNIT . . . . . . . . . . . . . . . 10
  FUEL INJECTOR TEST . . . . . . . . . . . . . . . . . . . . 10
SERVICE PROCEDURES
  FUEL SYSTEM PRESSURE RELEASE
   PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . 10

DESCRIPTION AND OPERATION                                                   NOT DONE, A DIAGNOSTIC TROUBLE CODE
                                                                            (DTC) MAY BE SET.
PCM VIN REPROGRAMMING
                                                                            FUEL DELIVERY SYSTEM
OPERATION
  USE THE DRB SCAN TOOL TO REPROGRAM                                        DESCRIPTION
THE NEW POWERTRAIN CONTROL MODULE                                             The fuel delivery system consists of:
(PCM) WITH THE VEHICLES ORIGINAL IDEN-                                        



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