There are several things that could cause is. The fuel pump itself might be defective. It may also be that you have a blown fuel pump fuse or the fuel pump relay is defective. Another possibility is a clogged fuel filter.
in injector pump
Yes the pump feeds them or you could just unplug injector(s)
The fuel injector pressure regulator is located in the injector fuel pump. Most pressure regulators cannot be separated from the fuel injector pump.
transfers fuel to injector pump from tank
injector is bad
No it is not a fuel pump problem. It either has a grounded are open circurt. Check wiring to injector. May just be a bad INJECTOR.
you open all the injector lines at the injectors . Then pump the fuel pump primer on the fuel pump . fuel will flow out one or more of the injector line , close the injector line and roll the engine over until the next injector start to flow fuel and so on , why are you having problems
Under the car, between the fuel pump and the injector pump.
There is no need to bleed air from a fuel pump.
A malfunctioning fuel injector pump will cause the injectors to not fire properly. The fuel injector pump will need to be replaced.
200 Nissan exterra v6 have spark and injector pulse no power to fuel pump
This is confusing, a 1998 does not have a carb.