my 1988 firebird is staling while driving what should i do i changed the battery

Not a battery issue but you will need to provide more info if you want some help. Does it stall when going at normal speed or maybe just as you let off the gas to stop? Is it an automatic or a manual trans? Does it only happen when the engine is cold or when it is up to temp? Are there any other symptoms like the check engine dash light illuminating? Fill in some blanks and maybe we can develop a plan to fix it.