Bang4buck Externally Mounted Universal Electric Fuel Pump 12 V 5-9 Psi- 2 Wires

Kind Note?This electric fuel pump must use with fliter. Only fit for gasoline and diesel( without alcohol /ethanol) engine. Technical features: Currents: 1-2A Voltage: 12V Shut off pressure: 5-9 P.S.I.; Voltage: 12V; Flows: 30 GPH Inlet and Outlet diameter: 8mm Crossreference: E8012S, FD0002, P60430, EP12S, 6414671 Package Include: Electric Fuel Pump as the picture shows with save package Q & A: 1.After installing the fuel pump, the fuel pump did not work, why? Please kindly check if the wires are connected correctly, or no power and not working. and please kindly make sure your fuel without ethanol 2.Brass fitting on outlet side pops out when putting on the fuel line, how to do? Please kindly make sure the brass fitting are twisted tightly 3.If no pressure after installation,how to do? Please make sure there is no any block of the fuel pump and the wires are connected correctly 4.if leaking oil, how to do? Please make sure the fuel pump and fuel line connection part are connected tightly without any leaks