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Prius Main Forum This is a discussion on 37 MPG !?!?! within the Prius Main Forum forums, part of the Toyota Prius Forums category; Originally posted by efrench515 @Mar 18 2006, 06:44 PM I just happened to think there is one thing that I ...


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Old 03-18-2006, 07:41 PM   #41
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Quote:
Originally posted by efrench515@Mar 18 2006, 06:44 PM
I just happened to think there is one thing that I did that could be affecting mpg but I find it hard to beleive. I removed the trim ring on the wheels....
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Nah, not a chance about the wheels.
I'm just coming up on 2000 miles, and the other day I came realy close to getting a 60mpg commute - thanks to temperatures around 60f.

I was in the same boat as you and was getting between 37 and 42 mpg when the temps around here were 25 through 35 or so, but it just kept getting better.
A lot of people say that there's a break in period as well, controlled by the computer. I've read posts claiming that there were mileage improvements at different intervals, ranging from 200, 500, 1000 and 2200 mpg - I have no idea what to believe, but I think there's something to it.

This graph that I found on the net seems to support the idea that there's some kind of break in period, either for the car or the driver:
http://www.mv.com/ipusers/lsg/Prius/MPGchart.htm
Observe how the first 3 months are a steady ramp up, and the next year in January, the mileage has stayed much higher, although dipping in cold weather months.
Here's another fellow Prius driver who started off with 33mpg on their first tank (jan '04):
http://www.mv.com/ipusers/lsg/Prius/...ileage.htm#MPG
Look how good he's been doing lately (mid 40s in sub-freezing weather).

I also got a lot less worried about mileage when I saw graphs of temperature and mileage, like this one - drats - couldn't find it - it's out there...

One thing you might want to try is experiment with the reset button on the consumption screen. Oriignally I wanted to keep my numbers Try hitting reset at somepoint into your commute when the engine has warmed up, and observe your mileage... once you see that isolated parts of your commute you actually are getting better than 40 and probably even 50 mpg, you'll start to feel a bit better about it. This also tends to get you thinking more about how you can lighten up on acceleration and coast longer. Another thing to try, although it wastes gas, but sometimes that's the cost of learning - warm up the engine really good before your commute, then hit "reset" and start your drive... you'll see how much that warmup is really impacting you.

Oh, one last thing - mine was definitetly overfilled from the factory, so that might have something to do with it too. My dealer said that it was likely that toyota puts special detergents in the first oil fill, so I decided not to change it yet. I am expecting a mileage improvement at my first oilchange, because I'm planning on leaving a big printout on the dashboard - "Please don't overfill my oil!"

Hope this helps,
Dave
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Old 03-18-2006, 08:23 PM   #42
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For info only.... we have a 44.01 mpg (US) average over 23 fillups with trips, mostly short, in town stuff and about a 10th on the highway in hilly terrain for 8873.2 miles. Tires 42F/40R and never oil overfill. We are aware of the Prius driving techniques and ,whenever convenient, try to apply these but normally just drive as we have our previous vehicles.
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Old 03-19-2006, 12:24 AM   #43
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Originally posted by espoafd@Mar 18 2006, 09:55 AM
I was sure you weren't, but I have heard of a dealer that was telling customers that the B was for Battery
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More like B for bonehead.
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Old 03-19-2006, 12:38 AM   #44
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Quote:
Originally posted by DaveSheremata@Mar 18 2006, 06:41 PM
I also got a lot less worried about mileage when I saw graphs of temperature and mileage, like this one  - drats - couldn't find it - it's out there...
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Our very own TonyPSchaefer's signature has a nice link to his personal stats. His spreadsheet shows MPG, date, and temp.

http://priuschat.com/index.php?showuser=1721
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Old 03-19-2006, 11:41 AM   #45
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Quote:
Originally posted by tripp@Mar 19 2006, 12:38 AM
Our very own TonyPSchaefer's signature has a nice link to his personal stats. His spreadsheet shows MPG, date, and temp.

http://priuschat.com/index.php?showuser=1721
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That's the one I was looking for, thanks Tripp!
Specifically, here's the link to the temp/mpg graph..

http://www.geocities.com/tonypschaefer/Pri...apusMPG/All.htm

Tony, if you're reading this thread - your temp/mpg graph really helped me when I was started and saw low mpg numbers - thanks! I hope it inspires efrench515 too!

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Old 03-19-2006, 12:40 PM   #46
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Quote:
Originally posted by efrench515@Mar 17 2006, 10:56 PM

Yes I keep the heat below 70 all the time and i have turned off auto and I turned off the AC, what a stupid feature turn on ac when it is 29 degrees out. I only use the front defog as absolutly necessary.

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"AC" doesn't mean air conditioner - it really means "climate control". I normally have interior recirc "on" (rahter than air from outside) and temperature at 65.
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Old 03-19-2006, 01:43 PM   #47
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Originally posted by walt@Mar 19 2006, 12:40 PM
"AC" doesn't mean air conditioner
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Actually, it does.

That was the original definition... which still makes sense. It is conditioning of the air.

Later on, people mutated the meaning by putting a slash in the abbreviation "A/C" with the intent of that standing for cold only.

In other words, you'll get a different answer depending on which generation you ask. But since the newest generation will be the first to never have driven a car without a screen on the dashboard, much of the transitional lingo will be lost anyway. Toyota is making an undeniable attempt to embrace the original meaning. So that's likely what will be accepted... because that is what the first time drivers are now seeing.

Do you remember what the term "hybrid" meant when associated with a car back in the 90's?
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