more likely to be a gauge inaccuracy or some internal problem than a worn pump - have you tapped in a good test gauge? .... but it's not a major job to replace the pump and find out
"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
