So I cleaned up my MM yesterday. Playfield is cc'd. Was dirty before but now nice and clean and it plays so fast that there is air balls all the time and it's near impossible to play. Should I wax the playfield? I don't know but it played fine when it was dirty, now it's on steroids.
This happened to my IMDN as well. Once i cleaned it the auto-fire never worked right. Then it got dirty again and it started working again.