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  #1  
Old 02-11-2012, 01:31 PM
11bighornblue 11bighornblue is offline
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can someone explain to me why on some days my ram will get 20-24 mpg on the hwy then some others it will only get 14-16 mpg?? Does anyone else have this issue or am I not seeing something?
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Old 02-11-2012, 01:35 PM
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Mine does the same. I think it has a lot to do with the weather and if its very windy out. That and sometimes even the best gas stations will have crap gas especially this time of the year when they add more ethynol..
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Old 02-11-2012, 02:19 PM
11bighornblue 11bighornblue is offline
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its seems to be a dramatic change. I can understand 1-2 mpg but 6-8? kinda weird to me
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Old 02-11-2012, 03:18 PM
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Does the difference perhaps have something to do with the amount of pressure exerted by your right foot?

I know when I run 80+ my mileage suffers, but I usually do it anyway LOL

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Old 02-12-2012, 12:55 PM
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lol I usually have cruise control on on the highway
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Old 02-12-2012, 04:17 PM
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Quote:
Originally Posted by 11bighornblue View Post
can someone explain to me why on some days my ram will get 20-24 mpg on the hwy then some others it will only get 14-16 mpg?? Does anyone else have this issue or am I not seeing something?
If you are using the EVIC as your reference......there is the problem. The best method is to calculate it yourself. The EVIC is simply a guide and not all that accurate. erratic driving habits seems to impact it more than anything. Just like going from a lot of stop and go traffic then highway driving.
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Old 02-12-2012, 08:10 PM
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Quote:
Originally Posted by MF2000 View Post
If you are using the EVIC as your reference......there is the problem. The best method is to calculate it yourself. The EVIC is simply a guide and not all that accurate. erratic driving habits seems to impact it more than anything. Just like going from a lot of stop and go traffic then highway driving.
Ill try not using EVIC.
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Old 02-12-2012, 08:18 PM
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I don't have EVIC and have to do hand calculations and they stay pretty steady
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Old 02-16-2012, 10:14 AM
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I had a 2004 4.7 quad cab and now have a 5.7 Hemi quad cab. Both are get about the same mileage 11.5ish. I have a fuel log app on my driod. It's a free app and I log everytime I fill up. Oh yeah and both have/had about 88k

Last edited by Covet; 02-16-2012 at 10:15 AM. Reason: oops
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Old 02-16-2012, 10:47 AM
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The fuel app is great. I use https://www.fuelly.com/ . Smartphone, iPad or computer is easy.

As for the question of fuel. If your within generally 400 miles of a refinery, they usually deliver from the source. But generally further, when and order is placed, it goes to the local spot market station and they blend and ship to the specs needed. This includes seasonal additives as needed. You have no control over this. (summer blends and winter blends are different and does effect mpg's.) Also, if the blend is off, your stuck with this.

As to weather and road conditions, you basically have no control over. You play the hand you are dealt, and adjust as needed.

The overhead lie-o-meter is usually off or it wouldn't have achieved this nick name. But if yours is like mine, it's a constant amount off and I only use it as a guide to the increase or decrease in tenths. If dropping and not going up a grade, I need to adjust. If dropping slightly it can also inform me that there is a slight grade and adjust as needed. Means a lot on a vacation 5k round trip in gallons.

There are two areas that you have some control over.
* Maintenance of your vehicle:
If you maintain it properly, you might not like the mpg's, but they will be better than if you neglect it. Minor changes mean a lot.
* Foot to the pedal;
It was mentioned above and this is usually the main demon. Most never think of this, but your emotions at the time your foot hits the pedal determines what mpg you will get. If you pi**ed, happy or such, the pressure is different than if you want great mpg's.
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