You must remove the fuel tank , the fuel pump is located inside the tank.
in the fuel tank
Drain the fuel from your fuel tank. Remove the fuel pump retaining plate. Remove the fuel pump retaining bolts. Remove the wiring harness from the fuel pump. Reverse the process to install the new fuel pump.
inside the fuel tank
It has an electric fuel pump inside of the fuel tank.
If a 1988 Chevy Cheyenne dies when it is put into gear, check the fuel pump. If the fuel pump is not getting adequate fuel, it will cause the car to die.
INSIDE THE FUEL TANK.
It is inside of the fuel tank.
It is in the fuel tank and can be replaced.
remove fuel tank.
To replace the fuel tank and fuel pump on a 1988 Chevy Cheyenne, first, ensure the vehicle is safely elevated and supported. Disconnect the negative battery cable, then drain the fuel tank and remove any necessary components such as the fuel filler neck and straps securing the tank. Once the tank is lowered, access the fuel pump by removing the pump assembly from the tank, replace the pump, and then install the new tank by reversing the removal steps. Finally, reconnect the battery and check for leaks before starting the engine.
Remove fuel tank for access