if it's getting fuel at all, it should run regardless of pressure, did you look down the carb and see if working the linkage shoots gas in? if it's a fuel problem look at the carb being plugged up, but could as likely be ignition, have you checked for spark?

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics