A side note, if this does not solve your problem, your problem MAY also be the valve. It sits very close to the solenoid, so as a result, air can leak from the valve and come out near the solenoid making you think it's the noid. Consider performing valve maintenence.
This line is in remembrance of the 2001 terrorist attack on the United States of America, this day of September 11, 2001.
If you're tired of people putting lines in their sigs and trying to get you to put it in yours, don't put this in your sig.
"Accuracy by volume is still accuracy nonetheless."