nother thing that can happen is the pump actuator gets worn enuff that it doesn't get a full stroke, so while it still works, it might not be moving as much volume - I had that situation with a stock 235 that showed up only when going up a slight grade

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