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Home Forums Performance Topics Poor, I mean really poor MPG/Fuel Economy

  • Poor, I mean really poor MPG/Fuel Economy

    Posted by Jeff on August 5, 2022 at 6:29 am

    2010 Cross Country. Lloydz intake, 1/4 turn throttle ring, stock debaffled exhaust, Lloydz tuner. I have been wicked lazy, not wanting to pull the tank to clean the filter, BUT could that really be draining the MPG? I am not really into power and performance etc, all I did was add the intake and 1/4 turn throttle ring. It was popping on decel, so I added the tuner, with the suggested settings from Lloydz.

    I used to get well over 250 miles to a tank and now its about 150.

    Thank you!!

    Andrew replied 1 year, 3 months ago 4 Members · 5 Replies
  • 5 Replies
  • Rylan

    Administrator
    August 5, 2022 at 6:48 am

    You need a more accurate fuel tuner than that Lloydz VFC.

    Try @noemtz at http://www.noemtz.com

    • Jeff

      Member
      August 5, 2022 at 6:56 am

      Yeah I should but unfortunately not in the budget any time soon. I got great fuel economy for a year plus after I installed the current tuner, which leaves me thinking that something else may be up.

      Thanks for the reply so quick!

      • Noe

        Member
        August 9, 2022 at 1:49 pm

        Sounds like you went from extreme lean to possibly rich or extreme rich if mileage has been dropping drastically. With that style tuner, putting it on a dyno and monitoring AFR while making changes can help get it closer to optimal levels. I understand Maximus remote option is a bit pricey, but will be dialed in afterwards. Volumetric Efficiency is key.

  • Jeff

    Member
    August 10, 2022 at 6:53 am

    Agreed, Noe, and Rylan. I may look into that option next season, just cannot this year. Much appreciated for the efforts for sure!

  • Andrew

    Member
    October 23, 2022 at 1:08 pm

    A little late to see but if it’s still a problem it’s easy to remove the tuner and see if you get back into a more reasonable range.

    • This reply was modified 1 year, 3 months ago by  Andrew.