hard start and dead spot

[segrandam]

1995 firebird v6 is very hard to start once i get it started it has like a dead spot on accelaration right paste idle ive changed the iac valve the tps new plugs and wires whats left lol thanks for any help

[muff34]

change fuel filter and have fuel pressure checked

[segrandam]

i have also changed the fuel filter and fuel pump relay still nothing its even harder to start now...

[muff34]

get your fuel pressure checked. eliminate that end