hi peoples.i have just uninstalled then re-installed fs9 along with all the relevent programs.with the 737 ng i have noticed whenever i change the fuel quantaties it reverts back to full tanks seconds later.as soon as i'm moving it will eventually go to the settings i want but only after many tries.any help would be welcome,thanks.

My guess would be that your parked to close to one of FS's automatic fuel loading stations, which will pump your airplane full of gas.

its parked at a gate at melb intl,i'll change parking spots and see what happens.the scenery and airport are both the latest voz.like i said this never happened before i uninstalled fs9.....see how we go!