I have missifire on cylinder 3..
I did a compression test ( cold engine ):
Cyl 1: 13
Cyl 2: 13
Can it be the lifters ? From my experiance, a bad lifter only causes high tick-sound and the vale maybe doesn't open correctly but it closes correctly. In my case it's not closing correctly, the valve seat is probably not 100% sealed. = valve seat leakage.