Polaris RANGER 570 2020 User Manual

5
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
5.1
FUEL SYSTEM
CHAPTER 5
FUEL SYSTEM
GENERAL INFORMATION.............. .............. ... ........... ... ........... .. . . ............. . . . . . . 5.3
EFI OPERATION OVERVIEW.. . ............. .............. ... ........... .. . ............. . . . . . ......... 5.3
PRINCIPAL COMPONENTS ............. . . . . . ............. ... ........... ... ............. . . . . . ......... 5.4
INITIAL PRIMING / STARTING PROCEDURE. . .............. . . . . . ............. . . . . . .. ........... .. . . .. 5.4
SPECIAL TOOLS ........... .. . . ............. . . . . . ............ .. .. ............. . . . . . ............. . . . . . . 5.5
FUEL PRESSURE GAUGE KIT - PU-43506-A .......... .............. .............. .. . ............. . . . . 5.6
FUEL PRESSURE GAUGE ADAPTER - PA-48838 ............ .. .............. . . . . . ............. . . . . . .. 5.6
DIGITAL WRENCH® - DIAGNOSTIC CONNECTOR.... . . . . . ............. . . . . . .............. . . . . . ...... 5.6
DIGITAL WRENCH® DIAGNOSTIC SOFTWAREPU-47063-B ..... ... ........... ... ............. . . . . . .. 5.7
DIGITAL WRENCH® SMARTLINK MODULE KITPU-47471 . . .. ........... .. . . ............. . . . . . ........ 5.7
DIGITAL WRENCH® - DOWNLOAD WEBSITE . . . . .. ............. . . . . . ............. .. . ........... .. . . .. 5.7
EFI COMPONENT LOCATIONS. . . . . . ............. . . . . . . ........... .. . . ............. . . . . . .............. . 5.8
EFI COMPONENT LOCATIONS - LEFT VIEW.......... .............. .. .............. . . . . . ............. 5.8
EFI COMPONENT LOCATIONS - RIGHT VIEW .. ............. .............. .. .............. . . . . . ...... 5.9
LINE / HOSE ROUTING. . . . ............. .............. ... ........... .. . ............. . . . . . ............. ..5.10
FUEL LINE ROUTING ..... . . . . . ............. .............. .. . . ............ . . . . . . ............ .. .. .....5.10
VENT LINE TERMINATION FITTING.. . . .. ............. . . . . . ............. . . . . . ............ .. . . ........5.11
AIR BOX / INTAKE SYSTEM........ . . . . . ............. ... ........... .. . ............. . . . . . ............. ..5.12
AIR BOX / AIR FILTER ASSEMBLY VIEW .. . . . ............. ... ........... ... ............. . . . . . ........5.12
AIR BOX REMOVAL / INSTALLATION.... . . . . . ............. ... ........... ... ............. . . . . . ........5.14
FUEL TANK / PUMP / SENDING UNIT ... . . . .. ............. . . . . . ............. .............. ... .........5.15
FUEL TANK ASSEMBLY VIEW.......... . . . . . ............. . . . . . ............. .. .. ............. . . . . . ....5.15
FUEL TANK REMOVAL .. . . . . ............. . . . . . .............. . . . . . ............. . . . . . .. ........... .. . . .5.15
FUEL TANK INSTALLATION .......... .............. .. . ............. . . . . . ............. .. .. ............5.16
FUEL SENDER TEST ...... . . . . . .. ............ . . . . . . ............ . . . . . ............. .. . . ............. . .5.16
FUEL PUMP TEST . . . . . . ............. .............. .. . ............. . . . . . ............. .. .. ............5.17
FUEL PUMP REPLACEMENT .... . . . . . ............. .. . . ............. . . . . . ............ .. .. ............5.18
IGNITION COIL OVERVIEW. . . ............. . . . . . .............. . . . . . ............. . . . . . .. ........... .. . ..5.22
IGNITION COIL / WIRE OVERVIEW ...... .. . . ............. . . . . . ............ .. .. ............. . . . . . ....5.22
IGNITION COIL / WIRE TEST........ . . . . . ............. .. .. ............ . . . . . . ............ . . . . . ........5.22
FUEL INJECTOR . . . . ............. .............. .. .. ............. . . . . . ............. . . . . . . ........... .. . . .5.23
FUEL INJECTOR OVERVIEW .... . . . . . ............. .. . . ............. . . . . . ............ .. .. ............5.23
FUEL INJECTOR TEST... . . . .. ........... .. . ............. . . . . . ............. .. .. ............. . . . . . ....5.23
FUEL INJECTOR REPLACEMENT ...... . . . . . ............. ... ........... .. . ............. . . . . . ........5.24
FUEL INJECTOR TROUBLESHOOTING. . . .. ............. . . . . . ............. .............. .. . . ........5.25
EFI DIAGNOSIS .... .. .. ............. . . . . . ............ . . . . . . ............ .. .. ............. . . . . . ...........5.26
SERVICE NOTES - FUEL SYSTEM .. . . . .. ............. .............. .............. ... ........... .. . . .5.26
TROUBLE CODE DISPLAY (DTC) . ............. . . . . . .. ........... .. . . ............ . . . . . . ............ ..5.27
FUEL SYSTEM TROUBLESHOOTING ........... ... ............. . . . . . ............. ... ........... ... ..5.34
FUEL STARVATION / LEAN MIXTURE .. . . . .. ............. . . . . . ............. .............. ... .........5.34
RICH MIXTURE . . . .. ............. . . . . . ............. ... ........... .. . ............. . . . . . ............. ..5.34

Polaris RANGER 570 2020 Specifications

General

Brand	Polaris
Model	RANGER 570 2020
Category	Offroad Vehicle
Language	English