when I have bout 1/2 tank or so, My car boggs down in 1st and a second gear, I dunno, could it not be getting fuel or sumthing, has anyone else had this problem? when I say boggin I mean the car starts off good for a secong then starts bucking like a freakin bull untill i let off or upshift!!!!! its bugging the crap outta me. what could it be :-(