I have a 1990 lincoln with a 5.0 it wont start it has new fuel pump and commputer and has spark ?

I have a 1990 Lincoln town car with a 5.0 liter engine it wont start its getting spark at the plugs and fuel at the rail the injecters just aren,t firing its got a new computer and fuel pump||| interesting


hit the air filter with starting fluid that should tell you something