N343SG 12/17/24

Leveling off, burning from Left tank.  Left fuel gauge hasn't moved.  Right Tank red X

Left tank gauge started moving after burning 4.3 gallons from it.

Left  tank has burned 8.5 gallons.

Left Tank has burned 10 gallons, Right Tank has burned 11.8

Right tank burned 12.3, Red went away and fuel showed top of green arc.  It never registered values in top green arc.

A few minutes later, right tank jumped up to bottom end of top green arc.

After landing and refuel. Right tank had red X wiht 10 gallons G100UL mixed with 15 gallons 100LL.  After Takeoff and burning 2 gallons right tank red went away.