Ford Focus Forum, Ford Focus ST Forum - View Single Post - Running on empty :)
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Old 12-04-2012, 03:56 PM   #7
suss6052
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Quote:
Originally Posted by mmmfloorpie View Post
Just FYI, E doesn't really mean empty.

Manufacturers purposely do this so that drivers only think their cars are empty so they get gas immediately.

In actuality, there's a few gallons extra below E to allow you time to get gas.

I discovered this from tracking my gas mileage at the pump. I'd be on empty and go for a fill up and the amount of gas that went in wasn't even close to the size of the gas tank.

I figured about 1/5 of the tank's capacity is below E. Oh, that wasn't on a Focus though, lol!
Considering how some people have run out with greater than 10 miles distance to E remaining on the display where as others have gotten right down to 0 miles and beyond without running out I'm not sure that there is necessarily this reserve as such now based on real time averages.

The furthest I've stretched a tank was also the tank that I had gotten the highest mileage. I think the DTE was still above 10 miles but I'd gone 470.1 miles on 11.176 gallons of the 12.4 gallon capacity. That doesn't sound like the car was leaving a reserve cushion of 2-3 gallons based on the DTE calculations.
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