based on comments from others, thanks by the way, it might be the fuel pump or it might not....the fact that the noise continues with the engine off(and thereby the fuel pump off) kinda leads me to believe it's not the pump but am unsure.

not sure about a leak in the tank either since there's quite a bit of pressure that comes out when I take the gas cap off.

will see if anyone else chimes in with feedback/comments....rather not swap out the fuel pump if I don't have to.

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D. Chang
Network Integration Engineer
MCSE, CLP, CCNA