C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Range estimate seems off

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Old Apr 28, 2026 | 12:36 AM
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Default Range estimate seems off

New to ownership, so of course every little thing is making me nervous at this point. Range show on the dash seems very low for the remaining bars on the right. Took the car for a lap to see if it was just a glitch, and number was constantly going from 14 -> 20 -> 17 -> 14. Any ideas what could be causing this? Going to fill her up in the morning to see if that fixes the issue, but never seen anything like this before.
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Old Apr 28, 2026 | 08:11 AM
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When I replaced my sender here is what I had to do. Dan

calibrate fuel sender float - CorvetteForum - Chevrolet Corvette Forum Discussion
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Old Apr 28, 2026 | 08:43 AM
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What does your gauge show for Average Miles Per Gallon right now?
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Old Apr 28, 2026 | 11:29 AM
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Originally Posted by 2011KLR
What does your gauge show for Average Miles Per Gallon right now?
^^ Bingo! ^^

My guess is that the Average is reading about 3.5 MPG. When the FUEL parameters are reset the Avg MPG begins at 0 MPG. It has to be driven for the MPG to go up. There's nothing wrong, he's reset the FUEL and not driven it far enough yet for the MPG to stabilize.
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