2006,2006,2007,2008,2009,2010 Toyota Yaris Fuel Sending Unit Issues. The dash board indicator shows 2 or 3 bars of fuel in the vehicle but really the gas tank is empty. If you are driving and the car suddenly shuts off at a traffic light or while driving on the highway, it is most likely a failing fuel sending unit which is apart of the fuel pump but can be purchased separately from the fuel pump. The video shows how to remove the fuel pump and test the sending unit.