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Post by timteichman on Sept 12, 2021 17:49:42 GMT
2019 GTI Rabbit edition (analog gauges):
The fuel gauge, like on many cars, reads full until perhaps 50 miles, when I've burned through 2 gallons already. It's only an ~11 gallon tank.
When it's "1/2 full", I can fill it with 7 gallons. I don't think it's a hardware issue, as my previous GTI and my daughter's Golf behave exactly the same way.
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Post by timteichman on Nov 28, 2021 20:51:21 GMT
Here's how to make your gauge read more accurately:
17 - Dashboard:
Long Coding
Tank Characteristic Curve
Set to Version 3
I tested this by running the tank down to indicated 1/2 full and then filled it up. It then took almost exactly 1/2 the tank's capacity.
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Post by strata on Dec 6, 2021 21:11:24 GMT
Thanks for the tip!
Before doing this myself, I'd like to know what these curves represent and which vehicles they are ment for if anyone knows?
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Post by timteichman on Dec 6, 2021 21:30:48 GMT
If I understand what they do, they control how the car uses data from the fuel level sensor(s) in the tank to set the gas gauge.
It's actually kind of fun to watch the gauge move when changing the setting. When I changed it from 2 -> 3 the gauge moved down a little, and then back up when changing it back.
I suspect that all MK7's are the same in this regard, except possibly R's, as I think they have a different size/shape tank to handle real wheel drive components. But they may have the same issue where the gauge is optimistic and have a similar fix.
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