[suprra_girl]

well if the problem only existed once you did the tank... i would suggest looking at all your fuel lines, make sure there isn't a leak.. put a piece of wire into FP and B+ in the diagnostic box in the engine bay, turn your key to ignition and go lie under the tank.. does the pump sound ok... or does it buzzzzzz stop buzzzzz stop etc... if it sounds normal keep looking for leaks...
if no leaks.. try replacing your fuel filter... possibly the filter on the fuel pump itself... was the tank clean when you put it in... it's possible your fuel pump filter is slightly blocked hence the poor acceleration

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