what causes my fuel gauge to swing to full or empty when I turn on 2003 Buick Park Avenue

When I make turns

Asked by for the 2003 Buick Park Avenue
1 answer
Fuel gauges typically have "anti-slosh" modules that keep the gauge steady even when fuel moves in the tank.

You could have an issue with the gauge, or the wiring to the sending unit could be open somewhere at tims.