i dont know if im putting this to the right spot (new to the site) So i have a 88 firebird formula 305 tuned port...i got the car drove it about a month or so worked great... then shut it off one day didnt want to start, it would then die,then go back a couple mins later it would start and i could drive it for 2 hours if i wanted to worked great then sometimes it would take right off again sometimes it wouldnt it just got worse that now it wont start it has fire, its got fuel, it will run if i unhook the MAF sensor running rough of course, so far i have replaced the maf sensor,maf relays,ignition module,computer,I dont know where to go from here had some other people look at it they have no idea..... any sugestions? thanks

 

Replaced fuel filter? Checked fuel pressure?

 

yes sir we did im sorry never wrote in some of the small stuff we did but yep pressure is where it should be