1993 240sx loses fuel pressure intermitently....

[Damian82]

alright, I recently replaced the fuel filter, fuel pump, and fuel sending unit(shorted out) and the car ran fine for about a month.

Now at really random times, usually when a get on the gas from a start, i'll lose fuel pressuse and it will die. If I let it sit for a while or if I dissconnect and reconnect the fuel lines from the fuel sending unit it will restart. Otherwise it will get really low to no fuel pressure. I can hear the fuel pump priming. WTF? any ideas? some kinda vacaum lock?

[Schrute Farms]

Could it be the fuel pressure regulator? Have you replaced that?