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 Show Real Time Mpg Instead Of Average |
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 Jun 23 2008, 10:42 AM
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Newbie
Group: Members
Posts: 13
Joined: 31-May 08
Member No.: 46,157
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Location: United States
Drives: 2006 Sonata LX 3.3
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Is there any way to make the trip computer show your current, real-time MPG instead of your average? I am trying to compare the effects of driving at different speeds, and it would be nice to be able to see exactly what I am getting at a given time (going up a hill or starting off, say), rather then having it average everything out.
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Jun 23 2008, 01:11 PM
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Senior
Group: Members
Posts: 462
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Member No.: 17,616
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Location: North Dakota, USA
Drives: 2006 Hyundai Sonata LX 3.3, Color-Pearl White, Made 2/10/06, 2008 Toyota Rav4, 1972 Buick Riviera
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QUOTE(bobad @ Jun 23 2008, 11:35 AM) Yes. Set your cruise control, and re-set the mileage computer. It will give you a constant, true MPG and an average... which are actually 1 and the same when the cruise is set.
[right][snapback]171649[/snapback][/right]
Yes, but reset every several miles, or it will begin to average after a few miles. as you go. :grin:
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Jun 23 2008, 01:38 PM
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Newbie
Group: Members
Posts: 13
Joined: 31-May 08
Member No.: 46,157
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Location: United States
Drives: 2006 Sonata LX 3.3
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QUOTE(bobad @ Jun 23 2008, 01:35 PM) Yes. Set your cruise control, and re-set the mileage computer. It will give you a constant, true MPG and an average... which are actually 1 and the same when the cruise is set.
[right][snapback]171649[/snapback][/right]
That would be true if I was driving alone on a flat road. However, in normal driving, hills, traffic and other road conditions will effect the reading, causing the average to not reflect my true current MPG, even if I have reset it. Some of you mentioned external devices. Would these have to be proprietary, specialty devices, or is there a way I could connect my laptop to my cars computer?
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Jun 23 2008, 07:02 PM
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Full Member
Group: Members
Posts: 88
Joined: 29-May 08
Member No.: 46,038
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Location: usa
Drives: 2009 Hyundai Sonata Limited V6
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QUOTE(MiamiLX @ Jun 23 2008, 06:15 PM) The Sonata resets to this - -
[right][snapback]171738[/snapback][/right]
I know it does when parked, but I doubt it shows the same thing if you reset it while driving?
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Jun 23 2008, 07:10 PM
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Full Member
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QUOTE(V6Limited @ Jun 23 2008, 07:02 PM) I know it does when parked, but I doubt it shows the same thing if you reset it while driving?
[right][snapback]171751[/snapback][/right]
Actually, you will have to drive .5 miles since reset to get the first reading. So, I would say it does reset to 0, then averages the mpg for the first .5 miles to show the first number on the display.
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Jun 23 2008, 07:25 PM
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Full Member
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QUOTE(spex @ Jun 23 2008, 07:10 PM) Actually, you will have to drive .5 miles since reset to get the first reading.[right][snapback]171754[/snapback][/right]
Something must have changed since 2006, since I get a reading before I'm out of the parking lot. It usually shows 2 to 3 mpg. :w00t:
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Jun 25 2008, 07:54 AM
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Newbie
Group: Members
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Joined: 31-May 08
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Location: United States
Drives: 2006 Sonata LX 3.3
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QUOTE(oceanax13 @ Jun 23 2008, 04:38 PM) Real time M.P.G. doesn't make sense. My friend has a Pontiac G6, and when you floor it its realtime shows ur getting like 3 M.P.G. <--- (Not helpful data)
[right][snapback]171699[/snapback][/right]
While it is true that real time MPG numbers often swing wildly, they are accurate. You really are getting 3 MPG when your floor the gas peddle, or 100+ coasting down a hill. While this alone is not very helpful, it is useful data which I would like to have available to me. Please see my prior question about connecting a laptop to my cars computer. I saw them do it on Mythbusters to measure MPG, so I know its possible, but what is required?
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Jun 25 2008, 09:01 AM
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Member
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Location: chicagoland
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QUOTE(SoaDMTGguy @ Jun 25 2008, 07:54 AM) While it is true that real time MPG numbers often swing wildly, they are accurate. You really are getting 3 MPG when your floor the gas peddle, or 100+ coasting down a hill. While this alone is not very helpful, it is useful data which I would like to have available to me. Please see my prior question about connecting a laptop to my cars computer. I saw them do it on Mythbusters to measure MPG, so I know its possible, but what is required?
[right][snapback]172159[/snapback][/right]
The Mythbusters used a device that attached to the fuel line and measured the flow of fuel, then calculated the MPG from that. Like you said it is definitely useful information, but I don't know what those devices are called, how much they cost or where you can get one.
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Jun 25 2008, 08:02 PM
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