Yamaha majesty 125 2001 fuel gauge goes to full and returns to empty when ign switched on

SOURCE: 2003 Envoy, speedometer intermitent, now

you may need a instrument cluster

SOURCE: my 2002 monte carlo`s fuel gauge fluctuates from full to empty

Hi you need a fuel level sensor

SOURCE: My 2000 Chevy Impala fuel gauge reads empty.

sending unit on fuel pump is bad, the sending unit shorts out gauge will go to empty or full, never read right, turn on switch ,it goes to full or empty, ,check the pump,hope this helps,thanks robert b.

SOURCE: 2002 Chevy Suburban: Fuel gauge reads empty, tank is half full

Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.

SOURCE: 2006 Chevy Trailblazer fuel gauge stays on empty

It requires a new fuel tank sensor that is $600 for the part.