ok 92 rs camaro 305 tbi/auto

the problem(s):
misfire
running rich
cuts off when hot, sometimes starts right back up, other times needs to sit for a little

things fixed:
new dist
new control module
new coil pack
new injectors
new fuel filter
new fuel regulator
new tps sensor
new idle air valve
new vaccum lines
timing correctly ajusted
new plugs propley gapped
new wires
new cap
new rotor button

suggested things:
something electrical
egr valve


so ideas? ask if you need any more info. please help me fix this, its starting to get real troublesum for me and since its my only car...i need it to run like new-ish. thanks for any and all help.