Attach a fuel pressure gauge to the service port on the fuel rail.
Have a fuel pump pressure test done.
Of course if the fuel pump is not running the fuel pump fuse, fuel pump relay, or the pump itself is defective. But the pump can be running and still be not pumping fuel. The only way to know for sure is to run a fuel pressure test. Do not overlook the fuel filter as it may be clogged.
Fuel pump pressure test.
test your alternator or fuel pump
Fuel pressure test at the fuel rail.
Fuel Pump Pressure Test Look at the Related links below for help.
A fuel pump pressure test could determine the condition of the fuel pump and fuel system.
Start with a fuel pump pressure test.
Where is the fuel pump fuse and relay on 1994 BMW 525i and how can I test to see why my fuel pump won't work
With a fuel pressure test at the fuel rail.
Your Fuel filter is attached to the fuel pump, which is located in the fuel tank if its a gasoline burning vehicle. Diesels should be located inline.
Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it.Fuel Pump fuse, relay, fuel filter, and all connections. A fuel pressure test will verify a defective fuel pump, or if it is simply not running, and has current to it.