Fuel Level Sensor Float Height

Move the float and measure height A at point "F" (highest) and B at point "E" (lowest).
Standard value:

Fig 1: Measuring Fuel Level Sensor Highest Point
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Measuring Fuel Level Sensor Lowest Point
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
If any check is not correct, replace the fuel pump module or fuel level sensor (sub).

Fig 3: Fuel Level Sensor Float Height
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.