regulates the fuel pressure.
where is the fuel pressure regulator on1991 lumina 3.1 /
thank you
It is in the throttle body.
Follow the rail line that runs to the injectors. You will find the pressure regulator.
The fuel pressure regulator has one bolt holding it in place.l
In the throttle body.
You need to hook a fuel pressure gauge to it and adjust the regulator so that you have 9 to 13 LBS, of fuel pressure. No lower are higher.
Try replaceing the filter or the fuel pressure regulator.
the fuel pressure regulator conntrols fuel pressure and that's all
The fuel pressure regulator is located next to the fuel injector pump. The fuel pressure regulator should be labeled as such.
A plugged up fuel filter, a faulty fuel pressure regulator or a faulty fuel pump.
38-44 psi with pressure regulator vacuum hose disconnected and plugged