Yes, it can cause lower pressure. If you get an adapter, you can disconnect the filter and check the pressure before the filter. That would give you an acurate reading of the pressure and tell you if the filter is causing problems. Keep in mind, if the manual states 35PSI as a minimum, anything less is going to cause problems. Also, did you notice if there was any gas in the vacuum hose going to the regulator?
Let me know what you find.
Monday, June 7th, 2010 AT 10:22 PM