Question about 2006 Hyundai Sonata

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Fuel gauge / range meter

I have a 2006 Hyundai Sonata. When I fill the tank the gauge reads a little over 1/2 full and the range meter states 221 miles till empty. What could be the problem?

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  • Anonymous Mar 29, 2014

    Fuel gauge does not give a true reading same time engine light came on I can fill the tank with fuel and the gas gauge fluctuates

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Actually I had that problem, its a faulty fuel sensor, and can be replaced under warranty. at first they had me unplug a fuse while the car was running then shut it off and plug it in then start the car. did that for 2 more fillups b4 they finally replace the faulty sensor.

Posted on Oct 26, 2008

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This is an old post so not sure if problem has been resolved ?? but if not ? from your symptoms it sounds like the fuel tank sender unit is faulty and unfortunately not servicable but not too expensive to diy a new unit for a quick confirmation it is sender ? remove the wire from sender unit then scratch /hold to good earth whilst ignition is turned on and fuel guage is read by assistant ? if guage goes to full ? sender is faulty hope this helps?

Posted on Oct 21, 2008

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I once spent three working days trying to get a 1972 Chrysler to read full when it's full, half when it's half and quarter tank when the tank has a quarter amount of fuel. The customer did not want to accept anything else, but in the end all I did was to get close, not exact.
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All other gauges work on the hyundai but the fuel gauge wont work shows empty all the time how can i fix this problem


Turn the ignition on and off several times before inspecting the gas tank because a blown fuse is the usual cause for fuel gauge malfunctioning. If the gauge remains motionless, check your fuse box and determine the fuse's location using your service manual.
Replace the fuse if the link is broken or damaged. Then, inspect the gauge's wire connections for cleanliness and make sure the wires are connected.
Turn the ignition switch to the "off" position. Attach one end of a jumper cable to the fuel-gauge terminal behind the gauge itself. Attach the other end to the ignition terminal.
Replace the sender unit in the gas tank if the gauge reads full and your car does not have a full tank. Replace the fuel gauge if the needle remains inoperative.


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also might be your instrument cluster

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