Close
Q:

my fuel gagefloats all over reading from empty to full when the fuel is low on 1999 GMC Savana 1500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my fuel gage floats from empty to full when the fuel is low or after being parked on an incline
(1) Answer
Your fuel pump/fuel level sending unit MAY be bad! It's on your fuel pump in your gas tank. FYI - always keep at least a 1/4 tank of gas at all time, this unit goes crazy when the tank is always almost empty.