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2018 Duramax Fuel Mileage
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12-15-2019, 03:31 PM
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Stealthee
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Re: 2018 Duramax Fuel Mileage
I wouldn't even bother looking at the instant mileage screen. It is nothing more than a guess based on calculations of conditions. As long as your actual overall mileage isn't dipping then you don't have an issue.
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