Gas gauge
05-16-2007, 09:40 PM
#1
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Gas gauge
When I am told to "refuel" by my car and I immediately go to the gas station, I fill the gas tank with 20.4 gallons. My question is: Does that mean that the car has three gallons in reserve as the 2004 Audi A8L have 23 gallon fuel tank?
05-16-2007, 11:36 PM
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Its brain looks at how you've been driving prior to the warning to give you time to
find gas/petrol before you run out. So if you drive gentle, it will warn with less in the tank. Math/maths is math/maths, so if you put 20.4 gal in then you have about 2 gal in the tank and a bit in the pump pick-up, filter and lines to the injectors.
05-17-2007, 07:15 AM
#3
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Per manual, reserve area is 9 liters/2.4 gallons
Light is also triggered based on fuel level. The miles to empty calculation is what is recent MPG dependent.
Like you, my experience is it has probably 3 gallons to go in real life. I usually just go until miles to go display is close to 0 if I am in town and have time to fill up whenever.
Like you, my experience is it has probably 3 gallons to go in real life. I usually just go until miles to go display is close to 0 if I am in town and have time to fill up whenever.
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