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Wednesday
Aug122009

Empty promise

Today was the first time my "low fuel" indicator came on.  The fuel tank indicator was just above the "E" line.  The miles to empty reading was 46 miles.  I thought I better fill up.

Surprisingly the car took only 14.356 gallons.  The FFH's tank holds 17.5 gallons - that doesn't seem like a low fuel condition to me.  I could easily have gone over 100 more miles!

I'm guessing you don't run out of fuel until the fuel tank indicator goes all the way to the bottom of the yellow area.

My average mpg over the last 1440 miles is 41.01 based on actual gallons purchased, and 42.6 according to the car.

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Reader Comments (11)

Bill,

While not recommended by the manufacturers, have you tried driving the FFH with the tires slightly over-inflated to see the impact on mpg? Nothing crazy but maybe 3-5lbs over-inflated. Obviously when the roads have moisture, you'd want to be cautious in turns and stops but if you're trying for good mileage, I'm sure you're usually driving cautiously and safely.

--Paul

August 12, 2009 | Unregistered CommenterPaul

Paul, my tires came inflated at 35 lbs, 2-3 pounds over recommended. I've left them at that pressure so as not to increase ride harshness.

August 12, 2009 | Registered CommenterBill Wood

I was wondering the same thing, I have a FFH and I filled up with just shy of 15 gallons and i swore that it said 17.5 gallons but I never really worried about it. This is nice to know that the car says 50 and i have like 100 miles really, I wonder why they do that it must just be for safety.

August 13, 2009 | Unregistered CommenterRhett

The lowest I've gotten it was just above the empty line and the system told me I had 22 miles left. I filled it up and it took 15.38 gallons.

I also learned the hard way to NOT try and "top off" the gas (this happened a few tanks before the 15.38 gallons). You can get away with one extra click, but for me the second one some of the gas will come back out and your money gets splashed onto the ground.

August 13, 2009 | Unregistered Commenterjeff_h

Jeff, I read about that so I never "top off" with the FFH.

August 14, 2009 | Registered CommenterBill Wood

I believe the low fuel light comes on when the computer calculates that there is 50 miles left on the tank. I just filled up today when it said my distance to E was 38 miles. I don't have the receipt on me, but I will check it to see how much gas I put in.

August 18, 2009 | Unregistered CommenterKevin

Kevin, my experience is similar - the light comes on when its just above the "E" line and when it says I have 40-50 miles left. You actually can probably go 100 miles easily at that point.

August 21, 2009 | Registered CommenterBill Wood

More info - may gas receipt says I only put in 14.6 gallons. Is this possible? Is there really that much gas left in the tank when the low fuel light comes on? I agree, if this is correct I had 100 miles on the tank, easy.

August 24, 2009 | Unregistered CommenterKevin

Yes this is my experience too. I let it get even lower recently - will post a picture / article soon.

August 24, 2009 | Registered CommenterBill Wood

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