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I have a 2017 Silveraro LT. It has 23, 000 miles now and the last few times I filled up the gauge didn't go to the full mark. I just goes a little past 3/4. I just filled up and drove about 60 miles and the gauge is at 1/2 tank so I stopped and filled it up again and it only took 4 gallon to fill it up.

Anyone else having this issue?

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oh no.  Hopefully we are not going to see another profound issue with faulty fuel sending units like we did on the GMT-800s. 

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Try unhooking your battery for 10 minutes and see if that cures it


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Thinking level sensor is bad here


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My 17 All Terrain has done the exact same thing a few times. Only difference is that it stuck at about 3/4 (while still at the pump) for a while and only after I drove a good distance did it continue going up. I know it was full because the pump indicated 21.5 gallons from being on E.

If it does it again I'll be taking the truck in for service. Starting to see some issues with it. Its a shame I've only had the truck a month.

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