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10-29-2008, 03:35 PM | #1 | |
Drives: '07 Yaris S Sedan M5 Join Date: Jul 2007
Location: Santa Clara, CA
Posts: 208
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Toyota Yaris MPG Review at www.mpgomatic.com
http://www.mpgomatic.com/2008/08/24/...is-mpg-review/
Quote:
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10-29-2008, 07:12 PM | #2 |
Drives: '08 Yaris sedan , '08 Liftback Join Date: Oct 2008
Location: Northeast
Posts: 643
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good find , thanks .
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10-29-2008, 07:24 PM | #3 |
Drives: Yaris Liftback Join Date: Oct 2008
Location: Lexington, KY
Posts: 55
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Interesting, most people on this forum say A/C off is always the way to go...
Apparently not?
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Can't believe I'm modding a Yaris, I must really miss my STi... |
10-29-2008, 09:53 PM | #4 |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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10-29-2008, 09:57 PM | #5 |
A/c is more efficient after 40 mph. The drag created with the windows down is much higher than with the a/c on. The best way to use a/c on a long trip is to combine it with going downhill. If you're engine breaking and the dfco kicks in then turning on the a/c shouldn't use more gas, it'll just slow you down more.
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10-29-2008, 10:03 PM | #6 | |
Drives: 08 Yaris Sedan Join Date: Oct 2008
Location: California - Bay Area
Posts: 2,773
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Quote:
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10-30-2008, 12:42 AM | #7 |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Between all of us on this forum that have ScanGauges and over thousands of miles of testing we have each found the exact opposite of their results with the a/c usage. Without fail we can find little to no effect with the windows down at any speed but huge efficiency hits with the a/c on at any speed.
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
10-30-2008, 01:26 AM | #8 | |
Drives: 07 Yaris LB, 93 Camaro Join Date: Aug 2007
Location: Alton, IL
Posts: 85
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Quote:
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-Aaron |
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10-30-2008, 07:33 AM | #9 | |
Drives: Yaris Sedan (auto) Join Date: Jun 2007
Location: Toronto, Ontario
Posts: 545
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Quote:
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10-30-2008, 08:56 AM | #10 |
LOL The next time I plan on using the AC to cool might be next May at the soonest!
My scan gauge tells me what is happening with my car!
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10-30-2008, 09:04 AM | #11 |
Drives: 08 Sedan Base Auto/PWR BLK Join Date: Oct 2008
Location: Illinois
Posts: 58
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Not having a scan gauge, I do not wish to speak out of turn, but doesn't a scan gauge have to be "calibrated" to the car via a couple of fillups and adjustments?
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10-30-2008, 11:00 AM | #12 |
Modded Moderator
Drives: 07 Toyota Yaris, 71 Galaxie Join Date: Mar 2007
Location: Wenatchee, WA
Posts: 3,670
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yup. I really don't use mine to get "optimal" mpg, but to stop me from using that lead foot.
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10-30-2008, 11:10 AM | #13 |
Drives: 08 Sedan Base Auto/PWR BLK Join Date: Oct 2008
Location: Illinois
Posts: 58
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I just mean to inquire as to the accuracy of these numbers. As I understand it, one does not just plug in a scan gauge and get accurate mpg numbers right off the bat. They do not discuss making adjustments to the device to fit the particular automobile based on actual consumption measured at the pump. They just give the SGII readings, which as I understand it, aren't even close to accurate until the device has been adjusted over a couple tanks.
I'm all for reporting great mileage for the car, but it doesn't mean anything if it isn't done precisely. |
10-30-2008, 11:59 AM | #14 |
Steals terrorist's lunch
Drives: 2007 Yaris Liftback Join Date: Mar 2007
Location: Reno, Nevada, USA
Posts: 1,299
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Good point, Mike.
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- Brian Share the Road I often carry 2 carpool passengers and mountain bikes or snowboards/skis over a 4,500 foot elevation difference. Click the graphic above to see my detailed mileage logs. |
10-30-2008, 12:21 PM | #15 |
Drives: 08 Sedan Join Date: Oct 2008
Location: Tyler, TX
Posts: 899
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Could be several reasons why you're not getting the mpgs you should be. I have 2 Yaris's and I have never got less than 36 mpg. The highest I have ever got was 44 mpg. I do not use any hyper techs. and I use the AC all the time.
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10-30-2008, 04:32 PM | #16 |
Drives: '08 Yaris Join Date: Oct 2008
Location: SoCal (Jamul)
Posts: 97
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Even when "calibrated" you should take the absolute readings of the Scangage with a grain of salt. I recently took a trip from So. Cal. to New Mexico and found that my back-and-forth-to-work calibration was seriously out of wack for a cross-country trip. I finally gave up trying to correct the calibration while on the trip and the accuracy returned after I got back home.
The best reliable way to calculate fuel mileage is at fill-up time. There are too many uncontrollable variables to rely on instantaneous readouts. |
10-30-2008, 04:48 PM | #17 |
Drives: 08 Sedan Base Auto/PWR BLK Join Date: Oct 2008
Location: Illinois
Posts: 58
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I wonder why?
Anyone else have this experience? |
10-30-2008, 06:43 PM | #18 |
nope, my scangauge stays calibrated every fillup
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