Fuel Tank capacity
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Thread: Fuel Tank capacity

  1. #1
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    Fuel Tank capacity

    Hello,

    On my last trip to gas station, I filled up the tank (2012 EXL) with 20.9 gallons being shown on the pump. I drove about 10 miles since the low fuel light have come on. Though it was city driving, I get around 400 miles for each tank, most in the city.

    So my question is that since the tank can only hold 20.5 gallons, and there must be around a gallon or so left in the tank, how come the pump shows 20.9? Is this a trick by gas stations?

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    Quote Originally Posted by mfghazi View Post
    Hello,

    On my last trip to gas station, I filled up the tank (2012 EXL) with 20.9 gallons being shown on the pump. I drove about 10 miles since the low fuel light have come on. Though it was city driving, I get around 400 miles for each tank, most in the city.

    So my question is that since the tank can only hold 20.5 gallons, and there must be around a gallon or so left in the tank, how come the pump shows 20.9? Is this a trick by gas stations?
    I am not sure what exactly you are asking. The Odyssey has a 21 G tank, check your owner manual. According to Consumer Reports, most of us are expected to get about 19 MPG in mixed driving so 19 x 21 = 399 miles. If you drive entirely in the city, the gas mileage can be as low as 12 MPG, so 12 x 21 = 252 miles.

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    Registered User BigBoat's Avatar
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    Quote Originally Posted by mfghazi View Post
    I get around 400 miles for each tank, most in the city.
    Nice. Yes, tank is 21 gallons, not 20.5, as explained above

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    If I can get 300 miles, I would be very happy. LOL

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    Quote Originally Posted by zuffy View Post
    If I can get 300 miles, I would be very happy. LOL
    Yes indeed, if you do mostly real city driving with lots of Stop signs and traffic lights to deal with. I think by now, looking at the numbers measured by Consumer Reports and the real world gas mileage, it is very clear that on the high way, we should get gas mileage in the high 20s. If your speed is higher than 65 MPH, carry a heavy load, or carry stuff on the top of the car, you gas mileage will be lower.

    City driving is harder to predict because your city is very different from mine, and your driving habits can have a greater impacts on gas mileage. In densely populated cities, the gas mileage will be in the low teens, as we mostly drive at 30 -35 MPH from light to light and from stop sign to stop sign. If you live in a more wide open city, you may drive a lot longer without having to stop, which helps the gas mileage greatly. The Odyssey uses a lot of gas to get up and go so the more you do this, the lower the gas mileage. If you can drive steadily at a constant speed, even at 30 MPH, the Eco light is on all the time, which translates to better gas mileage.

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    Registered User BigBoat's Avatar
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    My experience is that the Odyssey's A/C use kills any hyper-miling theories and tips, but it pays off nonetheless...

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  8. #7
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    The tank is about 21 gallons. I have found on my '12 EX that to get the tank completely full you have to park with the van leaning towards the gas pump. It's the same as with my 2nd gen (2006) CR-V. I just filled up yesterday with the ody reading 0 miles to empty and it took just over 21 gallons.
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    Quote Originally Posted by BigBoat View Post
    My experience is that the Odyssey's A/C use kills any hyper-miling theories and tips, but it pays off nonetheless...
    Agreed, also if you are using the rear A/C a lot, that kicks on the second compressor that kills mileage even more. I tend to avoid using the rear and just turn on the front and crank it up, if I can get away with it

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    Quote Originally Posted by BigBoat View Post
    Nice. Yes, tank is 21 gallons, not 20.5, as explained above
    Thanks. I found that too. I don't know why 20.5g got stuck in my head.

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    I once inadvertently ran the tank pretty low and was down to 0 miles to empty for the last few miles. The van took a whopping 21.6 gallons once i finally pulled up to refill. And this is on our 21 gallon tank. This tells me our tank takes more than 21 gallons.

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    a little of reserve maybe? i am not going to complain about that
    '12 Odyssey EX-L - Smoky Topaz

  13. #12
    Registered User BigBoat's Avatar
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    Quote Originally Posted by coupedncal View Post
    I once inadvertently ran the tank pretty low and was down to 0 miles to empty for the last few miles. The van took a whopping 21.6 gallons once i finally pulled up to refill. And this is on our 21 gallon tank. This tells me our tank takes more than 21 gallons.
    Either it is the gas stored in the pipe leading to the tank, or the gas station is making some extra money with a tweaked reader

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    not sure if it 's a myth but try following, and try pump gas in the morning to see if they helps? and don't pump your gas when there too much wind. It could blow your gas away?


    Fuel economy: Save money on gas

  15. #14
    Registered User BigBoat's Avatar
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    Quote Originally Posted by jvinhj240 View Post
    don't pump your gas when there too much wind. It could blow your gas away?
    I thought that was not related to gas pumping, but to a physiological activity



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    Save the Manual Transmissions!

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    Quote Originally Posted by jvinhj240 View Post
    not sure if it 's a myth but try following, and try pump gas in the morning to see if they helps? and don't pump your gas when there too much wind. It could blow your gas away?


    Fuel economy: Save money on gas

    Yeah besides BigBoat's comment above, I remember Consumer Reports has looked at this and determined that it makes no difference to how much gas you can save. They also looked at the effect of opening the windows while driving and found that that too did not affect gas mileage.

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