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Old 10-09-2008, 01:29 AM   #13 (permalink)
KJSatz
Civic 4 Life
 
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Join Date: Jun 2008
Location: USA
Posts: 229

Civics Lesson - '08 Honda Civic LX
Team Honda
90 day: 40.53 mpg (US)
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I just drove home and got about 40.6 miles per gallon. 30 miles of it was city driving in a small town with lots of stop signs, but I don't think I would have gotten much worse than 30mpg there, and even if you do a weighted average the highway mpg would be like 42.5mpg. A little disappointing.

I drove about 55MPH the whole time. Actually, it was getting late towards then end, so I had a couple of times when I would accidently go too fast (nothing crazy, but once I caught myself at 63 and accelerating up a hill, and once I found myself at 67 on a level area, when I was getting really close to home). There were some times when I didn't know if I should downshift or not...it seemed like the gas gauge was falling rather quickly when I would go uphill and slow to 53-51MPH still in fifth. I started downshifting on the hills halfway through the trip. Here's a place when an OBDuino would be useful.

I think I'm going to drive 55MPH again on the way back. I'll have my tires properly inflated (they're like 36PSI right now, which is okay, but I'd like to be at the sidewall max). I'll try to figure out when I should be shifting and when I shouldn't be. I'll try to read more about VTEC-i and the "fuel efficiency cams" my engine has that I don't understand. I'm driving back on Sunday. I'd appreciate any advise.
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