I’m having a similar issue with mine that I’ve recently picked up. We’ve just finished shopping it and it’s the only major issue that bugging me. Mine will open up and drop the ball to the auto kicker and then tries to open but is too slow or the kicker is too fast. The ball ends up bashing the diverter most times and take several tries and mishaps or ends up dumping balls the shooter lane for you to manual plunge during multiball.