How is live data activated with flasher

It should never read -8 psig
 
It should never read -8 psig
I've had negative psi numbers at idle on all 3 of my turbo sleds, all 3 different setups/different tuners????
 
My turbo viper.read negative at idle pretty sure it's normal!!
 
My sled read negative boost after I installed the TS BOV and 3 bar sensor until Ben updated my tunes to read the better sensor. Did not ride it so no idea what the effect would be.
 
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It should never read -8 psig
That’s normal a map sensor reads vacuum as well as psi on turbo there are 2 settings. Just to clarify if you look turbo psi and map psi. This is in settings when you pick your option. See change setting to turbo psi
 


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