[s-cars] Fuel gauge not gauging properly (sometimes)

[weski at icubed.com]

S-Heads,

My 95 S6 recently started telling me I need gas even if I just filledthe
tank.  Some days, it works, then as I drive, it will drop to E.  What is
the likely cause of this?  Bad soldering joint in the IC?  Something else
obvious I'm missing?

It's just strange that some times it works just fine yet othertimes, it
works intermitently or not at all.

If it's likely a soldering problem in the IC, is it aDIY repair?  I've
done soldering, but not regularly - I'd probably have to get a decent
soldering iron.

Any assistance apreciated.

TIA,

Paul Dooley