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Sedans Honda Accord Honda Accord Real World MPG
2672 messages, Last post on Nov 23, 2009 at 2:36 PM
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Replying to: elena250 (Aug 13, 2008 8:23 am) I've been getting about 20 mpg overall for the EX-4 AT |
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2008 Honda Accord LX AT 2.4L Drove 497 miles on 15.17 gallons Avg. MPG: 32.76 |
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Replying to: mazda6dude (Aug 15, 2008 6:19 am) |
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Replying to: thegraduate (Aug 15, 2008 6:21 am) Ah, a poet in the group.
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Replying to: dpmeersman (Aug 15, 2008 6:34 am)  I didn't even realize I'd done it. |
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Today, I finally got to do the fillup that allows me to calibrate my Scangauge. Here's the info: 2008 Accord LX Sedan I4 (177hp), AT with just over 3,000 total miles. I filled up at the same pump as before and filled until I couldn't put any more gas in without spilling over. There were 463 miles on this tank when I pulled into the station, and the SG read 31.7 mpg on this tank. I put 15.8 gallons in which yields 29.3 mpg by the calculator. When I did the fillup screen on the SG, it believed that the fuel used was 14.7 gallons. I tweaked the fuel used figure up to 15.8 and this indicated a 7.4% correction factor. If you apply the 7.4% correction factor to the indicated 31.7 mpg on this tank, it corrects to 29.35 mpg....wow....that's within 0.05 mpg. I believe I've got it dialed in. BTW....this tank was about 80/20 Hwy/City and I paid $3.51 per gallon for the gas. Overall, I'm pretty pleased with the gas mileage so far. It's going to be interesting to see how it does when it has 10K miles on it. Ken
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Replying to: guitar4him (Aug 15, 2008 10:26 am)  From the EPA: You need extra room in your gas tank to allow the gasoline to expand. If you top off your tank, the extra gas may evaporate into your vehicle’s vapor collection system. That system may become fouled and will not work properly causing your vehicle to run poorly and have high gas emissions. Also, Topping off the gas tank can result in your paying for gasoline that is fed back into the station's tanks because your gas tank is full. The gas nozzle automatically clicks off when your gas tank is full. In areas of ozone nonattainment, gas station pumps are equipped with vapor recovery systems that feed back gas vapors into their tanks to prevent vapors from escaping into the air and contributing to air pollution. Any additional gas you try to pump into your tank may be drawn into the vapor line and fed back into the station’s storage tanks. |
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Replying to: thegraduate (Aug 15, 2008 10:31 am) "Any additional gas you try to pump into your tank may be drawn into the vapor line and fed back into the station’s storage tanks". Remember the guy topping off his tank and saying his Honda's tank was 21 gallons and not 18.5? He probably just paid for about 5 gallons of gas to go back into the station storage tanks! 
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Replying to: thegraduate (Aug 15, 2008 10:31 am) BTW....where I live, we don't have vapor recovery systems on the pumps. Ken
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Replying to: ljgbjg (Aug 15, 2008 10:41 am) Isn't that against the laws of physics or something. 
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