where is fuel filter ?
Underneath your hood, behind the passenger side headlight, behind the core support, is a bank of 2-8 relays. One of those relays is the relay needed for your fuel pump. There will also be a fuel pump relay fuse located there.
The oxygen sensor on a 1989 Chevy Celebrity is located in the rear exhaust manifold on top about the center.
The thermostat on a 1989 Chevy Celebrity is located under the water outlet fitting. Follow the upper radiator hose, it will end at the water outlet.
The petcock on a 1989 Chevy Celebrity is at the bottom of the radiator on the drivers side.
in the fuel tank
On all models of Chevrolet Celebrity with fuel injection the fuel pump is inside the fuel tank.
It is behind a cover on the driver side strut tower.
The computer is mounted to the firewall on the inside of the car behind the globe box.
It is located on the driver side. Right below the second door.
It sounds like your engine is not getting enough fuel, try checking the fuel filter.
There is no cabin filter on a 1989 Chevy Silverado.
The 1989 Chevy Celebrity V6 is rated at 130 hp.
The spark plug gap for your 1989 Chevy Celebrity 2.8 V6 is .045".