Go online to a parts store such as Advance Auto Parts and look up the fuel pump to both vehicles to see if the part number matches between the two.
Inside the fuel tank.
its in the fuel tank
Bad sending unit in the fuel tank.
Yes you do , It is inside the fuel tank
The 4.3L engine in 2002 should have 60 to 66 psi of fuel pressure.
It is located in the fuel tank. The tank has to be dropped to pull it out and change it.
My first guess would be the fuel pump is at fault.
this is incorrect. The fuel pump is located in the fuel tank. It is a lot of work to replace. I have done it twice on my 97 blazer. Its expensive too around 300 bucks. The fuel pump on a 1997 Chevey blazer is right beside the engine
No there is not, Need to check the fuel pump relay and the fuse.
YES you do.
It does not have a fuel cutoff switch, you have to remove the fuel pump relay to disable the fuel pump.
19 Gallons.