get a fuel pressure tester on the fuel line going to throudle body there is a fitting looks like a valve stem twist off cap screw on the tester . hold tester so you can see it and turn key but dont start the motor if it reads below 54 pounds its bad. check with auto store on pressure to be sure im close.
It is most likely on the fuel pump
probably no because Chevy changed the type of fuel injection and it probably operates at a different pressure.
Several problems can cause a 1999 Blazer not to start. There could be a fuel problem or a firing problem. Check for fuel pressure and ignition spark first.
Probably a faulty fuel pump.
The 1998 Chevy S 10 Blazer 4.3 liter engine fuel pressure regulator will be on top of the engine. The fuel pressure regulator will be attached to the injector fuel pump.
Remove the fuel tank for access
60 to 66 psi.
what is the fuel pressure for a 1999 isuzu npr 5.7L fuel injected?
No, You will have to remove the fuel tank.
It is inside of the fuel tank. You will have to remove the tank to service it.
Fuel pressure test.
A vacuum leak could do that, also low fuel pressure or a dirty fuel filter.