Naw it's wide open.Did the air get choked off by the valve at the base of the handle? Should be wide open.
I buy that by the case.For someone doing mobile painting this stuff would be great for cleaning your air cap and nozzle. It works well.
SEM 77763 XXX Universal Gun Cleaner 15 oz. (6 Pack) | eBay
2-in-1 cleaner reduces products needed in collision center. 15 oz Aerosol.www.ebay.com