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01-17-2019, 06:15 PM | #15 | |
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01-17-2019, 06:33 PM | #16 | |
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Agreed, normal idle times will get lost in the wash but that does not mean they don't mean anything. They will impact the gauged reading as part of the average not get totally subtracted out.
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The Following User Says Thank You to Tcoat For This Useful Post: | Dadhawk (01-17-2019) |
01-17-2019, 11:03 PM | #17 |
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Thanks for the info everyone.
Filled my tank 2 days ago, reset average and trip, (I don't pay attention to the real-time L/100k reading). I hope the average will come down as theorized in the responses. My reading currently is 15.1 L/100km, I've driven about 20km to work and back. Sat in it for 15 min during a lunch break to get warm, (yup it's cold out, -17°), and raced a guy who decided he wasn't going to let me pass (Please don't judge, I look forward to those moments). So time will tell, but it really does alarm me at the current spike in poor mileage from a month ago. All my previous cars only climbed slightly during idle, not continuously. Last edited by 12foot; 01-18-2019 at 03:16 AM. |
01-18-2019, 08:53 AM | #18 | |
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Take my car. 2017 BRZ, AVO, E85. I live in Dallas drive 20 miles to work in traffic. Shift a million times each way. Get around 16-18 MPG. Same car same driver 1200 mile trip cruising 70+ in BFE Texas, New Mexico, Colorado, premium gas, got 28 MPG. We are taking the same language but in my opinion the driver has such a large impact that makes MPG, LPK personal and the driving habits should be included. |
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The Following User Says Thank You to Grady For This Useful Post: | Tcoat (01-18-2019) |
01-18-2019, 09:21 AM | #19 | |
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01-18-2019, 09:27 AM | #20 | |
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When I picked up my BRZ the average was 14mpg. Drove around town for the first weekend, through two tanks of gas. Average was up to 24mpg. Drove 8 hours on the highway, average climbed to 29mpg. Back around town, DD, errands, average has settled right around 27-28mpg. It’s a long term calculation. Maybe a Toyota tech could print something out explaining the function? The trip average on my Tacoma is ruined if I let it idle and warm up for 10 minutes. I can easily top 20mpg driving around for a day. Let it idle and I can’t get it past 10. Short term, using fuel at 0mph upsets the calculation. Long term it will be much more accurate. |
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01-18-2019, 10:09 AM | #21 |
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OK I am outta this thread!
When your idle time is over 30% of the time you spend in the car what do you think will happen?
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01-18-2019, 10:41 AM | #22 | |
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I did some quick math with this using a car that gets 30MPG and one that gets 15MPG driving 60 miles with and without idling for 30 minutes first, using the numbers in this article (assigning the smallest idle use to the better car) The car that gets 15MPG has a smaller drop in MPG after idle than does the car that gets better MPG. Anything below 15MPG has increasingly less drop, over about 15MPG (in this comparison) you start seeing the higher MPG car having the lesser drop in overall MPG. I don't really know what that means other than yes, some cars will show a quicker loss in MPG than others depending on how much fuel they use at idle, and what the use when moving.
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01-18-2019, 03:40 PM | #23 |
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Haha, that was for one day only, it was obviously more of a joke comment. Of course my mileage would be way up due to those particulars. But as I said, time will tell. Good work on the meme
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01-20-2019, 02:59 PM | #24 |
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If you're tuned, the display will not give an accurate MPG. You have to do it manually each fill up (which is more accurate either way)
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01-31-2019, 12:48 AM | #25 |
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I'm getting 9.6L/100km. About 400km on a tank after 3 tanks. After holding an average for that long without a reset (which I was obviously doing to often), I noticed during a 10 minute idle other day that it only went up .2L/100 km. I understand now. I don't idle for that long often, just sayin'. I admit I'm not happy with mileage, but oh how I love this car. And 3 small dents in it, I noticed yesterday
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01-31-2019, 06:37 AM | #26 |
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"L/100km is sillyness"
Is it? Why would you want "MPG" in a country where gas is sold by the liters and distances labelled by the KM? If you just want the reading to swing the other way because you're used to numbers going UP on the highway and DOWN while idling instead of l/100km going UP while idling and DOWN while on the highway, I suggest to just get used to it. If you disagree with l/100km because you want a [distance driven/unit of fuel] ratio and would like km/L, I also suggest that of the 3 accepted fuel economy displays, mpg, km/L and L/100km, I suggest that L/100km is the only reading that actually, intuitively lines up to actual fuel usage rate: Use more fuel, number go up, use less fuel, number go down. How are you not happy with mileage while averaging 9ish L/100km in winter? I drive a short distance to work of nothing but hilly city on studded tires and winter has me averaging around 12l/100km. On a beautiful summer drive the car is an economy beast and runs in the sixes, just 1/100km more than my motorcycle used to. Last edited by RZNT4R; 01-31-2019 at 06:48 AM. |
01-31-2019, 09:49 AM | #27 | |
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Last edited by Tcoat; 01-31-2019 at 11:15 AM. |
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The Following User Says Thank You to Tcoat For This Useful Post: | Dadhawk (01-31-2019) |
01-31-2019, 10:23 AM | #28 | |
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It is also much higher than I ever expected it to be. I was going to be quite happy with the mid 20s somewhere.
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