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The fuel gauge in the 2013 Hyundai Elantra might stop working if there are blown fuses. The gauge is linked to its own fuse, as well as the fuses for the fuel pump and instrument panel. If the Elantra's fuel pump is not working properly, it could lead to erratic gauge readings. Other reasons for this issue could be a damaged or disconnected sending unit located in the tank. Furthermore, damaged or shorted wiring that connects to the Elantra's instrument panel or gauges could also cause problems with the readings. It is recommended to inspect the cables leading to the panel and sending unit, as well as those behind the dashboard. Occasionally, the instrument's needle might have to be replaced. The estimated cost to replace the sending unit, including parts and labor, ranges from $850 to $900 on average.
If the fuel gauge on your 2013 Hyundai Elantra isn't functioning properly, it is often caused by issues with the fuel sending unit.