hey what would ur expert advise be , like wats wrong, when the car jerks, like if i have petal down a little it don't, but once i take off it jerks and even when I'm doin like 100 on highway in 5th and just like go to press break cause i gettin to close to other car it jerks, what would be wrong, i always thinkin carby float pin broken...but i dunno??? ne advice, it happens in all gears, and its not when I'm goin to slow for that gear, and only happens when no petal down. so yes any1??? plz help. and what can i do to fix???