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Discussion Starter #1
so i pull into get gas and i am at the top 1/3 of the red zone on my fuel gauge I go in and pay $20.00 for gas at 1.83 a gallon for 87. That should have been about 11 gallons. Well i get in and start the car and the fuel gauge just keeps going and pegs itself all the way out. So how many gallons are factored in for the red zone? Am I to believe 5+ gallons or so and thats guessing the red was actually like 2 gallons. Anyone know?
 

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Our tanks hold 19 gallons. My "Fuel Low" light in my VMM lights up with about 4 gallons left. I thought I had a 17-gallon tank for the longest time because my fill-ups were never more than about 16. Also, most cars read "Full" even when they aren't exactly full.

So maybe you were not as low as you thought. And after you got gas, the car implied that you were more full than you actually were.
 

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Discussion Starter #4
So how in the hell am I supposed to gauge an accurate gas mileage without running the car till its dry? I swore one time I got 100 miles just out of the red zone on the high way once..but i was tired and wrote it off as a hallucination by the time i got to a gas station the car was sputtering though and needle was buried.
 

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Easy, same way you always should.

Fill the car up completely. A good judge is to fill it up until it keeps cutting off or better still, trickle it until it starts to overflow (just inside the ring around the hole for the nozzle) and the air has to bubble out.

Reset your trip meter. Next fillup, fill the car back up to the same point as close as possible. Write down the exact gallons you put in. Write down the milage on your trip meter. Divide the miles by the gallons and voila. You've got your miles/gallon.

Of course, your best bet would be to keep a log book and write down the day, the gallons, the trip and main odometer mileages. After you fill up, reset the trip meter and start the process back over.
 

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Discussion Starter #6
is thier anyone that makes a digital guage pod for MPG like the lincoln town cars have.
 

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S_Mazza said:
Our tanks hold 19 gallons. My "Fuel Low" light in my VMM lights up with about 4 gallons left. I thought I had a 17-gallon tank for the longest time because my fill-ups were never more than about 16. Also, most cars read "Full" even when they aren't exactly full.

So maybe you were not as low as you thought. And after you got gas, the car implied that you were more full than you actually were.
A 1994 car has an 18 gallon tank.
 
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