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Sedans Honda Civic Honda Civic Real World MPG
2058 messages, Last post on Aug 26, 2009 at 6:19 PM
You are in the Honda Civic Forum. Your Hosts are pat & karens
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Replying to: sew2 (Jul 22, 2008 6:46 pm) 
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There is a hack you can do to the A/C system on an Accord ('03-'07)that gives you full control of the A/C (like other countries have). Not sure if it works on a Civic, but you could google it. Here is the sequence for the Accord - no guarantees with the Civic. 1) With vehicle on, push the airflow button for "top vent". 2) Shut car off. 3) Turn temp knob to the coldest setting 4) Turn fan off 5) Hold down both "Air Recirculation" button and "AC" button. With both buttons depressed, turn key to "ON" position. (don't need to actually start the car) Keep holding the buttons down for at least 7 seconds. 6) The AC and Air Recirculation lights will light up and flash at different points during the 7 second hold-down. 7) When the air recirculation light stops flashing, release the two buttons. Now you have full control over the AC. When you hit the Defog button, the AC light will now illuminate. You can now shut it off if you so desire and get Defog air without AC
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Replying to: dudleyr (Jul 22, 2008 7:28 pm) I may have to do it again once my CD Changer is replaced in my Accord this week. |
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I'm not sure if all the different Honda drivers manuals have this, but my '02 CRV manual does show the procedure that allows you to delink the activation of the air conditioner from the defrost button. I'll check my Civic book and see if it has similar instructions. I don't think this process is really a cheat. It's more of a process that is built in, but not always clearly documented. Jack
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Replying to: jpcanavera (Jul 23, 2008 7:38 am)  
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Just spent 10 days driving a tad over 1800 miles in my 2007 EX/AT Sedan. First tankful was 40.8mpg, second was 42.1mpg. Those two were pure highway miles shooting up interstate 81 to Ontario. The return trip down through CT and back to VA was in the range of 38-39mpg (a bit less because of more congested areas so not able to keep as steady a pace). I run cruise control set at 70mph whenever I can, and the A/C was on MAX the whole way (I hate the heat). I keep my tires at 35psi and use a good digital pressure gauge to check them. May and June I did little highway driving, mostly all short (under 20 mile) stop'n'go city driving, and was getting 27-29mpg. My experience with my civic is that cruise control at 65-70mph will get me optimal highway mileage - 42mpg is the best I've ever achieved (on several trips now). Above 70mph, my mileage definitely drops rapidly, and below 65 seems less optimal for the 5-speed automatic transmission. |
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| Normal commute 54 R/T mileage, 421miles /10 gal fill= 42 mpg. | |
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Replying to: sew2 (Jul 22, 2008 6:46 pm) 
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Replying to: motonation (Jul 26, 2008 4:35 am) Hi I also have a 2008 Civic Si sedan and I average 30mpg in mixed driving. I have a high of 31mpg and a low of 28mpg. Mostly sub-urban roads and highway. I keep close track of my fuel. I also use the same gas pump at the same station for 9 out of 10 fill ups. I drive 75-80 on the highway during the day and 70mph at night. The Si is a great car and you can short shift it for better fuel economy. I can drive on our back roads in 6th at like 40mph! That 6th gear makes a huge difference. My back loves the seats and it has VSA which combined with snow tires works really well around here on the hills. No options, it's fully loaded. I'll probably trade it in for the new Honda Hybrid in a couple of years but so far it's a great car and no problems except for a ding my wife put in it from the shopping cart she didn't secure before coming back to the car so it came back to remind her. Between the factory tires and the Nokian snow rated tires they should last the duration of time we will have it and then some. It's great to drive this, we were going to buy a Prius but this car drives so nice and my wife likes it better. I think I could probably squeak 32mpg out of it but I really just drive where I'm going and keep the revs low enough and it's still 30mpg. Hypermiling is not for me. |
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My mileage varies between 32 and 38, nothing less or higher, It is approachng the 5k mark and from what I read the Honda Techs will perk it to do better. Is the extended warranty worth it or is it a ripoff?
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