key on engine not running 58-64 psi
engine running at idle pressure should drop by 3-10 psi
The fuel pressure specs. are 9 to 13 LBS./PSI no more and no less.
Probably a faulty fuel pump.
probably no because Chevy changed the type of fuel injection and it probably operates at a different pressure.
60 to 66 psi.
40 psi
Fuel pressure test.
It is most likely on the fuel pump
The mechanical fuel pump regulates the fuel pressure. This truck is not fuel injected. It has a carburetor.
60 to 66 psi
41 to 47 psi.
It is in the throttle body.
how do u replace fule pressure regulator in 94 blazer vortec