for example when i excell from a stopped position, if i step on it it it like starts to like chug it excell then hesitates then excells then hesitates then excells and hesitates until it is around 20 mph. and when i stop the VX at a stop sign or red light the normal idle is around 750 but it goes really low almost stalling then jumps ups to 750 again. All of these issue were not present before the water works