Confused , Injectors dumping fuel

[c-los94]

I have a 94 sonoma i just put a motor into, fired it up and it idles at 2500 rpm. checked injectors its dumping fuel if i unplug one it will run plug both in it bogs then dies i replaced injectors new o rings still the same it has a good spray pattern not dripping but just spraying way to much i have checked most of the regular symptom problems and still come up with nothing it has no codes raw fuel coming out the exhaust ?? any help would be appriciated thanks

[Sparky2263]

Possible causes of a rich engine;

High fuel pressure
High MAP reading (low vacuum)
High Coolant sensor volts (low temp)
Retarded timing

I'd ck. those first.