there's not a way to make them all go the same (these happen with fish-in but you don't notice because you keep the change so gradual)...this is really a problem that doesn't exist in a sense (yes it's an issue, but there's really nothing wrong, the system is still working, just not always in a directionaly straigh forward fashion i.e. even the stall is a type of progression)...
you can go case by case and figure up plausable a reason(s) for each, but there really is no guaranteed smooth way
you can go case by case and figure up plausable a reason(s) for each, but there really is no guaranteed smooth way