[s-cars] '95.5 S6 Fuel gauge problems

[William Perron]

Hey guys,
Having some problems with my fuel gauge on the last 2
fill ups.  Gauge will usually not go past 3/4 of a
tank even w/ fuel almost coming out of the filler
neck.  Gauge behaves normally from there:  autocheck
warning light triggers at same point it always did
(approx 17.5 gal to fill from onset of light).  Seems
like the 3/4 mark is now "full"  --for example the
gauge doesn't just hang at 3/4 tank for a while then
start dropping as the tank empties past the actual 3/4
mark, rather it starts dropping from 3/4 immeadiately
after filling- like it normally would from the Full
mark.   Seems to me that the "full" calibration is
off?  Can this be adjusted?  Unfortunately my Bentleys
are still boxed up somewhere(just moved). Saw a few
posts in the archives on replacing the tank sender to
cure some fuel gauge craziness. I'll probably start by
checking the connections at the tank.  I'm assuming
this would be in front of the spare tire  and
underneath the 3rd seat storage space carpeting
(avant).  Any other things I should check?  Do the
actual gauges ever go bad?

Thanks,
Bill Perron
'95.5 S6 Avant
'85 4kq

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