Polaris RANGER 570 2017 - Chapter 4 Fuel System

4
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
4.1
FUEL SYSTEM
CHAPTER 4
FUEL SYSTEM
GENERAL INFORMATION... . . . . . ............. ... . . . . . .. ........... ... .... ... ... . . . . . .. ........... ...... 4.3
EFI OPERATION OVERVIEW. . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . ......... 4.3
PRINCIPAL COMPONENTS .. . . ............. ... . . . . . .. ........... ..... . . . . . ............. . . . . . ......... 4.3
INITIAL PRIMING / STARTING PROCEDURE.. .. ............. ... . . . . . ............. ... .... ... ... . . . . . .. 4.3
SPECIAL TOOLS ......... . . . . . ............. . . . . . ............. .... ... ... . . . . . ............. ...... . . . . . .. 4.4
FUEL PRESSURE GAUGE KIT - PU-43506-A . . . . ............. .... ... ... . . . . . ............. ...... . . . . . .. 4.5
FUEL PRESSURE GAUGE ADAPTER - PA-48838 .. ............. . . . . . ............. ..... . . . . . . ......... 4.5
DIGITAL WRENCH® - DIAGNOSTIC CONNECTOR........ ... ... . . . . . ............. ...... . . . . . ......... 4.5
DIGITAL WRENCH® DIAGNOSTIC SOFTWAREPU-47063-B ... . . . .. ........... ...... . . . . . ............ 4.6
DIGITAL WRENCH® SMARTLINK MODULE KITPU-47471 ....... . . . . . ............. ... .... ... ... . . . . . .. 4.6
DIGITAL WRENCH® - DOWNLOAD WEBSITE ......... ... . . . . . ............. ... . . . . . .. ........... ...... 4.6
EFI COMPONENT LOCATIONS. . . . . . ............. . . . . . . ........... ...... . . . . . ............. ... ... . . . . . .. 4.7
EFI COMPONENT LOCATIONS - LEFT VIEW............. . . . . . ............. ... . . . . . .. ........... ...... 4.7
EFI COMPONENT LOCATIONS - RIGHT VIEW .. . .. ............. . . . . . ............. ... .... ... ... . . . . . .. 4.8
LINE / HOSE ROUTING.. . . ............. ... . . . . . ............. ... .... ... .... . . . . . .............. . . . . . ...... 4.9
FUEL LINE ROUTING ......... .... . . . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . .. 4.9
VENT LINE TERMINATION FITTING.. . ............. ... ... . . . . . ............. .... ... ... .... ... ... . . . . . .. 4.9
AIR BOX / INTAKE SYSTEM. . . .. ........... ... .... . . . . . . . ............ . . . . . ............. .... ... ... . . . . . .4.10
AIR BOX / AIR FILTER ASSEMBLY VIEW ........ ... ..... . . . . . . ............ . . . . . . ............ .... ... ..4.10
AIR BOX REMOVAL / INSTALLATION..... . . . . . .............. . . . . . ............. . . . . . .. ........... .....4.12
ELECTRONIC CONTROL UNIT (ECU) .... ... .... ... ... .... ... ... . . . . . ............. ...... . . . . . ........4.13
ECU OVERVIEW . ............. .... . . . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . .4.13
RPM LIMIT ......... . . . . . ............. .... . . . . . .............. . . . . . ............. . . . . . .. ........... .....4.13
ECU SERVICE ..... . . . . . ............. ... . . . . . ............. ..... . . . . . ............. . . . . . ............. ..4.13
ECU REPLACEMENT ..... . . . . . ............. ... . . . . . .. ........... ..... . . . . . ............. . . . . . ........4.14
ELECTRONIC THROTTLE BODY (ETC).......... ...... . . . . . .. ........... . . . . . .............. . . . . . .....4.15
ETC OVERVIEW .... ... ... . . . . . ............. .... ... ... .... ... ... . . . . . . ............ ...... . . . . . ........4.15
ETC TEST. ............. . . . . . .. ........... . . . . . .. ............ . . . . . . ............ . . . . . .. ........... .....4.15
ETC REPLACEMENT. . . . ............. .... ... ... . . . . . .. ........... ...... . . . . . ............. . . . . . .. .....4.15
ETC LEARN PROCEDURE .... ... . . . . . ............. ..... . . . . . ............. . . . . . ............. .... ... ..4.15
PEDAL POSITION SENSOR (PPS) ... . . . .. ............. . . . . . ............ . . . . . . ............ ...... . . . . . .4.16
OPERATION OVERVIEW.. . . .. ........... ... .... . . . . . . ............. . . . . . ............. .... ... ... . . . . . .4.16
PPS TEST........... ...... . . . . . ............. ... . . . . . .. ........... ... .... ... ... . . . . . .. ........... .....4.16
PPS REPLACEMENT. . . . ............. ... . . . . . . ............ ...... . . . . . ............. ... ... . . . . . ........4.16
FUEL TANK / PUMP / SENDOR . . . .. ............. . . . . . .. ........... ... ... . . . . . ............. ...... . . . . . .4.17
FUEL TANK ASSEMBLY VIEW. ........... ..... . . . . . ............. . . . . . ............. ...... . . . . . ........4.17
FUEL TANK REMOVAL .. ............. .... . . . . . ............ ...... . . . . . ............. ... ... . . . . . ........4.17
FUEL TANK INSTALLATION . . . . ............ . . . . . ............. .... ... ... . . . . . ............. ...... . . . . . .4.18
FUEL SENDER TEST ............ . . . . . ............. . . . . . .............. . . . . . ............. . . . . . ........4.18
FUEL PUMP TEST ..... .... . . . . . ............ .... ... ..... . . . . . ............. . . . . . ............. .... ... ..4.19
FUEL PUMP REPLACEMENT . .... . . . . . .............. . . . . . ............. . . . . . ............. ...... . . . . . .4.21
TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE (T-MAP)... .... . . . . . .............. . . . . . .....4.24