Hi all, New to this site so I am hoping for some help on something I should know. Just bought a used Squier Strat (made in Indonesia in 2011) and the intonation is dead on but when I play an open A and open D, it sounds terrible. The G is off. So I get the G to where the open chords sound okay but I pay for it on other places on the fretboard. The neck seems fine and the strings a pretty new and as I said, the intonation is dead on. Is it the NUT? Thanks.