Review on Carburetor Valve Pressure Vacuum Tester by Salvador Taisacan

I suspected my car had a vacuum leak which was causing the brakes to work poorly. I bought this and was able to trace the vacuum to a split section of hard plastic tube. The sensor is large and easy to read. It has labels on the area that you can use to determine things like expected vacuum readings, which is really helpful. Some report it was a bit off zero when unplugged. Mine was perfect and if not there would be an easy adjustment screw in the front. Very happy with the sensor and by doing the job myself I saved $100 at the dealer.