Originally Posted by dano_____
Is the valve retension screw in too far? On my mq2, it would be leaky if it was in too far.
Mine reliably sealed up until about 350 psi so if you can't get above 200, something is wrong. Are you sure your pressure gauge is correct? Also some valves like a longer dwell, I had mine at 8ms and it purred.
Gauge is correct .
Valve screw is fine
My leak is pilot valve only.