so..i'm new, sorry for my bad english
I have a question- when my car is started and when i'm driving( Panda 750L 1991) gasoline level indicator moves like crazy on board...
what to do? is there any solutions to solve this problem?

Drive only in straight lines Fuel gauge moves up & down as the fuel in the tank moves about when cornering, braking etc. Perfectly normal (in a Panda). If it's moving about when the car is standing still then there's something wrong.

Welcome,

Is your car 4x4?
If yes, it will indicate that your tank was replaced some time ago for not OE fiat one. Noothing to worry, I would be rather happy.

Can you give more information about your car? i.e. year, model, etc.

kolza said:

i.e. year, model, etc.

Click to expand...

Original post has 1991 750L hiding mid sentence, so not a 4x4

My fuel gauge moves slightly depending on where I am driving/where I am parked (sensor will pick up different readings depending on where fuel rests in tank) but doesn't violently move about. How much does yours move? If it's just a little then it's normal but crazy movement sounds a bit odd...

could be an earthing issue.. Fallout when i first got him had an issue where the interior light dimmed and brightened as the fuel sloshed around in the tank!

give this a go and see if it fixes your problem
https://www.fiatforum.com/panda-classic/344084-common-causes-electrical-faults-panda-classics.html

With the fuel level sensor there is a plastic piston in a plastic sleeve, it reduces{ not eliminates} the bouncing of the float inside the tank, if it is missing or disconnected the gasoline level indicator will move even more crazy than usual


edit:

fuel level sensor in 750L tank looks different than the one on the pict. above, but also should have something similar to the sleeve and piston inside?