2008 Polaris Ranger RZR Service Manual, Page 125Get this manual
ELECTRONIC FUEL INJECTION Fuel Injector Test
NOTE: The Bosch harness connector and locking spring is bonded to the fuel injectors with an epoxy mixDO NOT attempt to disconnect the Bosch connector from the fuel injectorsDamage will occur to the injector andor harness if attempting to separate at that locationSeparate the fuel injector from the vehicle by disconnecting at the end of the harness as shown in this procedureFuel Injector Disconnect Here Harness
Fuel Injector Replacement
12Be sure the engine has cooled enough to work onDepressurize the fuel system by connecting the Fuel Pressure Gauge Kit PU-43506-A to the test valve at the end of the fuel rail and properly drain the fuel into suitable containerDO NOT Disconnect Here The fuel injectors are non-serviceableIf fault code diagnosis indicates problem with either injector, test the resistance of the fuel injector(s) by measuring between the two harness pin terminals: Disconnect and test here 3