What to do if your gas gauge is on empty?
What to do if your gas gauge is on empty? For example, if the gas gauge needle remains on empty when the ignition key is turned to the “on” position and you are sure the gas tank is partially full, battery current may not be reaching the gauge. To check further, connect a jumper wire between the ignition switch and the dash gauge. Why does my gas gauge read high when the tank is full? A functioning sending unit will have a high resistance when the tank is full and a low resistance when the tank is empty. If the...