2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 117Get this manual
FUEL INJECTION
CHAPTER FUEL INJECTION
SPECIAL TOOLS 4.4 EFI SERVICE NOTES 4.6 EFI SYSTEM EXPLODED VIEW4.7 EFI SYSTEM 4.8 FUEL TANK 4.9 ELECTRONIC FUEL INJECTION 4.9 FUEL LINES 4.10 ELECTRONIC CONTROL UNIT (ECU)4.11
OPERATION OVERVIEW 4.11 ECU REPLACEMENT 4.11 ECU SERVICE 4.11 QUICK CONNECT REMOVALINSTALLATION4.10 EFI OPERATION OVERVIEW 4.9 INITIAL PRIMINGSTARTING PROCEDURE 4.10 EXPLODED VIEW 4.9 COMPONENT LOCATIONSIDENTIFICATION 4.8 PART NUMBERSDESCRIPTIONS 4.4
FUEL PUMP ASSEMBLY 4.12
OPERATIONTESTING 4.12 FUEL PUMP TEST 4.12 FUEL PUMPTANK ASSEMBLY REPLACEMENT 4.13
FUEL PRESSURE REGULATOR FUEL FILTER FUEL INJECTORCRANKSHAFT POSITION SENSOR (CPS) MANIFOLD AIR PRESSURE SENSOR (MAP) OPERATION OVERVIEW 4.17 MAP SENSOR TEST 4.17 MAP SENSOR REPLACEMENT 4.17 OPERATION OVERVIEW 4.17 INTAKE AIR TEMPERATURE SENSOR TEST 4.17 INTAKE AIR TEMPERATURE SENSOR REPLACEMENT 4.17 OPERATION OVERVIEW 4.18 THROTTLE POSITION SENSOR TEST 4.18 THROTTLE POSITION SENSOR REPLACEMENT4.19 THROTTLE POSITION SENSOR (TPS) INITIALIZATION4.20 ENGINE TEMPERATURE SENSOR TEST 4.21 ENGINE TEMPERATURE SENSOR REPLACEMENT 4.21 FUEL STARVATIONLEAN MIXTURE 4.21