Originally Posted by dmaib
The GRT pressure senders have a history of doing just what you are describing.
Yep. Mine has been doing the same for longer than I care to admit... Negative fuel pressure sometimes, yet the fan keeps turning.
by Card Machine Works
RV-9A N4822C flying 1900+hrs. / Cedar Park, TX
RV8 Building - fuselage / showplanes canopy (Done!)