The 4.3L engine in 2002 should have 60 to 66 psi of fuel pressure.
On the poppet bank under the upper intake manifold.
Inside the fuel tank.
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.
It is most likely on the fuel pump
Fuel pressure test.
The mechanical fuel pump regulates the fuel pressure. This truck is not fuel injected. It has a carburetor.
41 to 47 psi.
It is in the throttle body.
60 to 66 psi
how do u replace fule pressure regulator in 94 blazer vortec