The factory installed only one.
The fuel pump on your 1988 Chevy Celebrity is in the fuel tank.
The fuel filter in your 1988 Chevy Celebrity is on the driver's side behind the rear wheel next to the fuel tank.
In the fuel tank
Chevrolet doesn't use fuel cut off switches.
Just the one fuel filter on the drivers side of the lower firewall.
The fuel pressure should be 45 psi.
The fuel filter on a 1988 Chevy celebrity 2.5 litre FI is located right in front of the rear passenger side tire.
one
Fuel pump is in the fuel tank, the filter, if fitted, is in-line, usually a grey cylinder in the engine compartment.
All 1988 Chevy Celebritys are fuel injected. As information 1986 was the last year of carburated engines, it was the 2.8L V6.
behind the fuel tank pasnger side remove the back tire you will see it 2 big filters
If I had to replace a fuel line I would get a replacement out of a car in a wrecking yard and install that.