prosprt boost gauge problem???

[mazdaspeedkid]

i have the electric boost gauge from prosport and when i build boost it shows that im at zero psi when on my d.h im boosting 17psi. whats the problem

 

[skallen]

Best guess is it's installed wrong ( vacuum leak)

 

[StealthWyvern]

i have the electric boost gauge from prosport and when i build boost it shows that im at zero psi when on my d.h im boosting 17psi. whats the problem

Does it show any vac at idle? If not its installed incorrectly would be my guess just like the previous poster.