What is partially fuel up and Missed fuel up?
Hi guys! could someone explain me what the partially fuel up option is and the missed fuel up one?
I don't do my tank full, so have I to choose always the partially fuel up option when I add a fuel up? |
Fuelly can only calculate your economy if you go from full, to empty, and then full again. You cannot calculate your economy unless you do this, every fuel up will be partial the way you do it.
A missed fuel up is if you are tracking via odometer reading only. |
Looking at your figures I think you may have added most of your fuel ups incorrect, some are as low as 26 MPG, and other are 70 MPG, that's a huge difference.
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Thanks for your reply |
You don't necessarily HAVE to go to empty. That's just ideal.
You just need to fill your tank (top it off) with every visit to the pump. Even if you fillup when your gauge reads half-tank, as long as you pump until it's full (usually when the nozzle clicks/stops) then you're all set. A partial fillup is if you only put in say "$5 worth" regardless of the amount of fuel you actually pumped. So if you're at half a tank, visit the fuel station and only pump enough fuel to get you to the 3/4 line, then you have NOT filled-up, and must mark it as a Partial Fill. |
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This same issue comes up time and time again on fuelly. I've pointed out numerous times that in many parts of the World, high fuel prices mean most people rarely fill thier tanks ever. It's a great programme for some people, but doesn't suit everyone! :)
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Thanks a lot for your replies. I'll try to use the software in the correct way
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For those that would be doing partial fills most of the time, the best thing they can do is do a handful of complete fills while also recording the cars average fuel consumption display, and from that calculate a correction factor for the display. Then they can get a reasonable reading from that during the stretches between full fills. |
Yes I understand it's the only way to get a accurate figures, for me it's not a problem as I manage my finances and make sure I have enough money to fill up. But I don't know many people that do here, unless doing a long trip, many people hate the thought of spending too much at once, and only put small amounts in at a time.
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The simple and obvious solution - fill the tank, no matter how painful and expensive it might be. Then, when the gauge gets down to 3/4, fill it again. Each fill will cost no more than it did before, and you will get reasonably accurate results. We who live in climates where winters are severe learn to never let the tank get below 1/2, just for safety reasons.
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There are plenty of reasons to carry a full tank, and there are plenty of reasons not to full up. But ultimately, if somethings expensive, whether it's food, alcohol, cigarettes or fuel, people would rather buy smaller amounts and make it last longer. In a small car, you can really feel the difference in performance with a full tank V's an almost empty tank.
It's not a criticism, I like using fuelly and it works perfectly for me, but it only works well if you start and end with a full tank. |
as long as you keep recording the fuel used and the mileage done it will work out in the end.You just need a "reference point" and for most people "full" is the easiest.If you have enough money to live from week to week i dont see the issue with filling the tank.If nothing else you save some time by not going to the gas station every few days.
As an aside it says that you can either record odometer or trip meter but i dont see that option? |
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Sorry to bump such an old thread but I have a question. I, like many of you, live in a cold climate so I try to keep my tank about half. When I fill my tank, I fill it from half tank to full tank, record the odometer reading, etc. Will this app still work accurately even though I am not usually filling the tank from empty to full?
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A full tank is one that is filled up. Doesn't matter what the amount of fuel was in there to start. A partial fill is when you don't add enough fuel to fill the tank. Let's say, take it from half to three quarters. A tank fuel economy can't be calculated because to fuel added is less than what was used, but the data can used for the vehicle average once another full tank is done. |
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Yes, you could fill the tank, drive 6 miles, fill back up, that's a FULL FUEL UP, and fuelly can calculate your economy just fine. Distance is not important, but filling up to the top is. A partial fuel up is anything less than full.
You'll see a lot of plug in/hybrid owners only putting small amounts in, probably trying to convince people their cars are more efficient than they actually are by only driving small distance and then filling up again ;) |
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