I just bought 2016 Z06 and find the boost gauge not operating per the owner's manual. Specifically, after the normal start-up sequence, my boost gauge settles in at -10psi, essentially showing vacuum, when the manual seems to indicate it should show at 0 psi, which would make sense. As I accelerate the gauge moves upwards and if I keep my foot on the pedal, it will work itself to 0 psi, which would equate, I guess to about 10 psi boost. But it never gets over 0! Is this correct? Can't be it seems to me. I have had the charger checked and supposedly it is working fine and the car drives fine as well. Is this just a boost gauge issue? No other issue with the instruments at this point. Any suggestions or experiences are appreciated. Just one of those things that will bug you!