i have a 93 5.0 lx and i cant figure out what is wrong. when i floor it it seems to die and then it will give it a little bit of gas and then go back to almost stalling. i have replaced the erg valve and gasket. put an h pipe system in it, new plugs, wires, and cap and royor, new fuel pump and i still cant get it. i think it might be the fuel pressure regulator or the injectors. andone that can help me, please do so. thanks

 

You need to change your fuel filter if you havent already.

 

sounds like the way my truck was. my tps (throttle positioning sensor) was the culprit. pull your codes man. easiest way. no point in changing things that you dont have to.

 

could have water in your fuel system (tank) or your injectors might be cloged up