50 psi
It is part of the fuel pump in the tank.
Yes.
40 Psi
Yes.
40psi plus or minus 5
Schrader valve on the fuel rail
At the end of the fuel rail on the intake manifold
It is on the frame just forward of the gas tank.
The fuel pump on a Jeep Wrangler is inside the fuel tank.
Fuel pressure regulator is on the end of the fuel rail.It runs across the injectors on the intake manifold.
It is part of the pump module in the tank.
I own a 99 Jeep wrangler. the only thing I can think of is the fuel pump or filter. Which is located in the tank find a gauge to check the fuel pressure on the fuel rail