2008 Polaris Ranger RZR Service Manual, Page 127Get this manual
ELECTRONIC FUEL INJECTION FUEL PUMP
Operation Overview
NOTE: All EFI units utilize quick connect linesAn electric fuel pump assembly is used to transfer fuel to the EFI system from inside the fuel tankThis assembly includes the fuel pump, fuel filters, regulator and fuel gauge senderThe pump is rated for minimum output of 25 liters per hour at 39 psi and has two non-serviceable fuel filtersFuel Pump Assembly If the engine is stopped with the key switch "on" (as in the case of an accident)In these situations, the "check engine" light will go on, but will turn off after cranking revolutions if system function is OKOnce the engine is running, the fuel pump remains on
Fuel Sender Test
If the fuel gauge reading on the instrument cluster is not working, or if the display reading differs in large comparison to the fuel in the tank, perform resistance test on the fuel senderDisconnect the fuel pumpsending unit connection and measure the resistance between the Purple and Brown wires (see chapter 10 for further details)If out of specification, replace the fuel pump assemblyNOTE: See the "Electronic Parts Catalog" for fuel pump availabilityIt may be possible that the fuel tank assembly must be replaced