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.
Yes you do , It is inside the fuel tank
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