1986 camaro 305 tpi it stall form idle sometime it has it and sometime it don't does it hot or cold more hot than cold has new tps ,iac ,spark plugs , wire's ,fuel filter ,and rotor have put 4 mass air flow 3 used 1 new fuel pressure is @ 44 psi when key is on 38 psi @ idle die on me today and had to wait 5 mins. for it to re start

 

Vacumum leak could be the problem.

 

Does it attempt to turn over? or is it completely dead for 5 mins. Also does it stumble., or anything?

 

well took car to the shop and they are saying that the injector might be bad ohm out at 16.5 to 16.8 and alldata say 16.35 max