Outer Limits 4x4 Board

It seem that 1/4 of a tank means Its Empty
Is this a common problem, And does anyone know how to fix?

Thanks Tim.

Have you tried a new sender?

Clean the contacts of the sender. If they are rusty or corroded and affect resistance ect.

Most reliable is just to measure from speedo.

Could also be that the float on the sender arm in the tank as a leak. My rangie was empty at 1/3, replaced the float modified the arm slightly and seems better