Morris Minor Owners Club

Can I cure an erratic fuel gauge? Would it be a fuel sender jn tank or the gauge at fault? Early Series 11

Thanks for all the advice

Hi all new to the group, we are looking to buy this car LXS439
Listed as an 1952 convertable. Anybody in the club have any information on this car? Any information would be greatly appreciated. Currant owner does not know a lot about the car