my car gets to a quarter of tank then starts to stutter like it`s out of gas.im thinking there might be trash in the tank. the car runs great just this small problem with the stalling at a qtr tank.what can i do?.....between the empty & qtr tank gadge is when the car starts acting.up & when the gas was low i could hear the gas pump humming but then put ten dollars in it and it was good.please help me with this (i hope to be a)small problem.

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