Saab 9-3 fuel gauge shows empty when tank is full, seeking solution on Saab 9-3

Some Saab 9-3 owners report experiencing issues with the fuel gauge inaccurately showing empty when the tank is actually full. This problem may stem from a faulty fuel level sensor or sending unit, which is crucial for measuring fuel levels and communicating this information to the dashboard gauge. Additionally, some owners have identified potential faults within the fuel pump assembly, which includes the sending unit and may require replacement to rectify the gauge issue. Loose baffles in the fuel tank can also interfere with the float mechanism, leading to incorrect readings. Furthermore, sulfation of the sender wires has been noted as a possible cause, with cleaning or using specific cleaners suggested to improve gauge accuracy. If these solutions do not resolve the issue, it is advisable for owners to consult a mechanic or automotive specialist experienced with Saab vehicles for further diagnosis and repair.