Snap-on Leak Down Tester - Dual Gauge

[Glenn Briglio]

Originally Posted by Bruce Noland

First time user for this little device. Did everything according to instructions. But there is problem. I can hear a small amount of air leaking past the rings when the leak down gauge is showing an improbable 0% leakage. Anybody else have this problem?

My bad Bruce I have the single gauge snap on leak down tester . I have problems getting consistent readings on same cylinder.