L liair Joined May 16, 2014 Messages 52 Reaction score 0 Mar 9, 2017 #1 When motors start, there is a knocking from body, is that normal for the P4 PRO?
alokbhargava Premium Pilot Joined Sep 28, 2015 Messages 6,940 Reaction score 2,330 Location San Francisco, CA Mar 9, 2017 #2 No its not normal.
L liair Joined May 16, 2014 Messages 52 Reaction score 0 Mar 9, 2017 #3 Thank you, I did not think it was.
