Hey guys--I'm new to the site and need some help.. My baby is stock and runs fine for in town driving.. When I hit the highway and do hard acceleration--she wont accelerate.. Acts like she'* getting too much/not enough gas.. She hesitates bad and unless I get my foot out of the gas, she'll die.. Will immediately start back tho.. I have replaced spark plugs, wires, o2 sensor, maf sensor all with no luck.. Any suggestions?

I think you posted in the wrong section.

Check your fuel pressure. My guess is you need to change your fuel filter or possibly your fuel pump.

Moved to proper section.