Originally Posted by rangererv
where in the I.P. would that be?
The anti-slosh module is a small plug-in board on the back of the cluster but I have never heard of one going bad.
If any of the other gauges are behaving strangely, too, I would look at the power and ground to the cluster. If it's only the fuel gauge, I would suspect the sending unit circuit. Just guessing, though.