Last fall, right before winter lay up, I filled the fuel tank and the gauge read "full." Boat was splashed the other day and I notice that the gauge now reads "empty." There isn't 27 gallons of diesel in the bilge so I assume the tank is still full.
Somewhere recently I read great directions for diagnosing problems with fuel gauges, but now cannot recall where I read it. Sort of an idiot's step-by-step guide. (Which, sadly, is what I need.) Anyone point me in the right direction?
Oh, and I know that real sailors just monitor engine hours. I do too and know that I burn about 2/3 gal./hour at cruising speed. But, I'd still like to fix the gauge as it is a nice approximation and it kinda freaks me out to see the needle on "E"