Can a bad fuel pump cause this?

[js95stang5.0]

No matter if the car is in closed or open loop I get a huge loss of power at about 3800-4000rpms at WOT, it feels like the engine cuts out. It has new plugs, wires, cap and rotor. I know its not the clutch because i just replaced that about 9 months ago. Only thing i can think of is fuel or spark. Just dont know where to start lookin.

 

[HaggardGT]

Yeah it sounds like it's starving. Check your fuel pressure as well.

 

[dastang2]

how about an air and fuel filter. nobody checks these first for some reason

 

[js95stang5.0]

Fuel filter is possible, there is a new K&N filter in the airbox. Let me say this though, rarely what i go to start my car and turn the key i hear the pump prime, them ill turn the key and the car acts like it started but then just dies. It has only done that 3 times and has not done it in a while.

 

[88stangmangt]

how many miles on that bad boy? prob time to change out that fuel pump. not hard takes a hour at most if you drag your feet.

 

[js95stang5.0]

93k, I would change it but since my parents moved and my dad took all of his tools, so i got nothin. But i dont have much money and I dont want to go through just changing things out, i want to try to narrow it down