6 6instantaneous6 Member Joined Jul 13, 2007 Aug 15, 2009 #1 Just noticed after installing my autometer boost gauge that when the car is off, I have 15hg of vac. Isn't it supposed to be at zero?
Just noticed after installing my autometer boost gauge that when the car is off, I have 15hg of vac. Isn't it supposed to be at zero?
D DailyDrifter The Slow and the Curious Joined Dec 5, 2007 Aug 15, 2009 #2 Yeah it should be a 0. make sure the line isnt kinked anywhere or pinched.