Fuel/ Mpg Discussion
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Forum: Fuel/ Mpg Discussion

Octane rating questions, gas mileage, anything fuel related!

  1.   Sticky Threads  

  2. Sticky Thread Sticky: VSA and ECON effect on mpg and power R18

    Started by Silver2Coupe, 03-02-2014 07:41 PM
    10 Pages
    1 2 3 ... 10
    • Replies: 97
    • Views: 12,985
    04-24-2018, 09:45 AM Go to last post
  3.   Normal Threads  

  1. Fuel Issue Civic SI

    Started by Claudio10, 07-17-2019 12:15 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 299
    MZN
    07-30-2019, 08:22 AM Go to last post
  2. Fuel brand

    Started by Killmonr, 08-28-2018 01:07 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 1,396
    01-24-2019, 07:37 AM Go to last post
  3. Excessive fuel consumption

    Started by ClassicRod, 12-14-2018 04:50 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,430
    12-25-2018, 12:58 PM Go to last post
  4. Injectors cleaner

    Started by Killmonr, 09-04-2018 10:59 AM
    • Replies: 1
    • Views: 277
    09-04-2018, 11:10 AM Go to last post
  5. Gas Saving Modifications

    Started by deckhybrid, 04-09-2013 03:07 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 4,532
    08-21-2018, 01:00 PM Go to last post
  6. ECU reset with Premium Fuel

    Started by civicfixer, 06-29-2018 10:07 AM
    • Replies: 8
    • Views: 749
    07-16-2018, 02:36 PM Go to last post
    • Replies: 1
    • Views: 314
    07-05-2018, 12:04 PM Go to last post
  7. switching from 87 to 91

    Started by Spunjer, 04-21-2014 08:21 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 69
    • Views: 9,983
    03-27-2018, 02:24 PM Go to last post
  8. Moved: Fitting te37s on 12 si HFP

    Started by Madblocks, 12-01-2017 02:13 AM
    •  
    •  
  9. Civic Si show instant fuel economy?

    Started by PSimpso, 08-18-2017 09:03 PM
    • Replies: 3
    • Views: 630
    08-18-2017, 10:14 PM Go to last post
  10. Miles to Empty?

    Started by notorious_bab, 08-15-2017 12:11 PM
    • Replies: 6
    • Views: 1,790
    08-16-2017, 08:21 PM Go to last post
  11. '12 Civic Si Fuel Question

    Started by Dfraney, 08-14-2017 02:59 PM
    • Replies: 3
    • Views: 324
    08-14-2017, 05:00 PM Go to last post
  12. What gas to pump?

    Started by shannontangg, 07-17-2011 05:00 PM
    64 Pages
    1 2 3 ... 64
    • Replies: 637
    • Views: 80,529
    08-08-2017, 04:02 PM Go to last post
  13. Fuel tank size?

    Started by SaugaSI, 08-30-2011 12:44 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 68
    • Views: 35,744
    05-25-2017, 04:45 PM Go to last post
  14. Any Civics with OVER 200,000 miles?

    Started by Poko, 06-14-2014 07:30 AM
    11 Pages
    1 2 3 ... 11
    • Replies: 107
    • Views: 19,921
    05-10-2017, 09:11 AM Go to last post
  15. Make sure you have your splash guard on

    Started by iamadoorknob, 03-23-2017 11:38 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,861
    04-13-2017, 10:23 AM Go to last post
  16. Stock ECU/Maps setup

    Started by Bernz, 11-21-2016 08:45 AM
    • Replies: 0
    • Views: 179
    11-21-2016, 08:45 AM Go to last post
  17. Need advice on my 2013 civic si

    Started by Scaden80, 10-17-2016 10:32 AM
    • Replies: 4
    • Views: 581
    10-17-2016, 08:18 PM Go to last post
  18. Short road trip

    Started by henryd1981, 08-08-2016 05:44 PM
    • Replies: 3
    • Views: 519
    10-17-2016, 07:13 AM Go to last post
  19. Very Low MPG New 2015 EX?

    Started by alxz310, 07-04-2015 02:16 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 8,096
    06-11-2016, 01:19 PM Go to last post

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