so i just picked up this 96 cavy. and i  put in  a new pump pump,filter and lines. so the issue im having is i can put fuel into the throttle body and it will start but if i let it sit over night or for a couple of hours it wont crank up.  the car did site for a few years before i got it.
now the question is do u think a injector could be clogged or   the regulator is sticking?