Very Low MPG New 2015 EX? - Page 6
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Thread: Very Low MPG New 2015 EX?

  1. #51
    Platinum Member Silver2Coupe's Avatar
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    Nov 2012
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    Illinois
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    4,053
    I would try the 91 first. It takes four tanks for all the regular to be out but you should feel the difference right away. It does take time for the ECU time to relearn. 91 r/m is all you need for the ECU to run MBT.
    Civic POP Crew #3

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  3. #52
    Greenhorn
    Join Date
    Jun 2016
    Posts
    6
    2015 EX Coupe. CVT, no mods
    9,502 miles.

    Current drive:
    TC on
    Econ On
    A/C on
    Cruise at 70mph

    ================

    Previous drive:
    TC on
    Econ On
    Windows and sunroof open
    Stop and go city driving in S with paddles.
    Attached Thumbnails Attached Thumbnails Very Low MPG New 2015 EX?-20160611_082715_1465660192325.jpg  

  4. #53
    I Need A Vacation kev604's Avatar
    Join Date
    Mar 2013
    Location
    Vancouver, Canada
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    13,117
    If you want to increase your MPG even more follow behind a big truck therefore decreasing your drag and that will increase your MPG even more haha.
    2013 Civic Si sedan PMM

    K24Z7 Crew Member #717
    9th Civic POP Crew #717

    Kev's Build Thread
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