Okay, I'm a girl that doesn't know much about cars, and I really don't want to take my car back to the dealership, but I'm having the same problem and I need help!! 2000 Contour--V6--owned since 2001, never had a tune-up. I have called it "chugging", but bucking is a much more accurate description for what's happening! When my car has less than 1/4 tank of gas, it bucks during the acceleration in 2nd and 3rd gear. If I continue to accelerate through the bucking, I can almost feel it correct itself. Almost like there was something in the way of the gas flow, and all of the sudden it gets spit out of the way! You like my technical vocabulary? Anyway, how can I try and fix this without doing major diagnostic work on it? Is it possible? My dad just changed the fuel filter two days ago, and it's still happening! It gets MUCH worse once past 1/8 tank. A month or so ago, I tried Dry Gas treatment, and that helped only because I filled the tank up at the same time!
Help!
