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Thread: Not getting the magical mileage that is advertised for this car.

  1. #11
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    I over inflated the tires to see if it would help mileage. Yeah it certainly is bumpy, but shouldn't over-inflated tires create less resistance?

    I'm using Castrol CVT oil https://www.amazon.com/dp/B00T96Q956..._plx6Cb1Z4WV7K


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    Last edited by Codylehr23; 05-25-2019 at 05:04 PM.

  2. #12
    Senior Member dspace9's Avatar
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    Quote Originally Posted by Codylehr23 View Post
    I over inflated the tires to see if it would help mileage. Yeah it certainly is bumpy, but shouldn't over-inflated tires create less resistance?
    Apparently not? I mean look at your mpg. I would try running your Mirage with what tire pressure the manufacturer recommends. Can't hurt, won't cost anything, and the benefits are exactly the thing you're looking for good fuel economy. Pretty simple

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage ES 1.2 manual: 42.2 mpg (US) ... 17.9 km/L ... 5.6 L/100 km ... 50.7 mpg (Imp)


  3. #13
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    Quote Originally Posted by Codylehr23 View Post
    I over inflated the tires to see if it would help mileage. Yeah it certainly is bumpy, but shouldn't over-inflated tires create less resistance?

    I'm using Castrol CVT oil https://www.amazon.com/dp/B00T96Q956..._plx6Cb1Z4WV7K
    Now that you know the higher psi hasn't helped, I would at least bring them down to the recommended maximum psi stamped on the tire. MPG shouldn't trump safety first. I am not only concerned for you, but those around you. Higher psi may decrease your overall traction (especially wet traction). Plus, your tires aren't going to wear right over time.

    I would have a professional transmission specialist service your vehicle, because they have way more experience. Hopefully, they can tell you what is going on.

    Just my opinion & nothing more!

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    All right I'll bring down the pressure in the tires and then I'm going to remove the rack and see how it goes. Thanks

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    Senior Member Dirk Diggler's Avatar
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    Quote Originally Posted by Codylehr23 View Post
    All right I'll bring down the pressure in the tires and then I'm going to remove the rack and see how it goes. Thanks
    Seems like your commutes are short and your taking alot of short trips. That kills your mpg. My commute is short too, 20 miles roundtrip and Im only avg 31 mpg with the AC on full blast, but the minute I driving for longer than 30 mins Im getting 40 mpg city easy. Short trips eat up alot of fuel.

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    Moderator Eggman's Avatar
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    Quote Originally Posted by Dirk Diggler View Post
    Seems like your commutes are short and your taking alot of short trips. That kills your mpg. My commute is short too, 20 miles roundtrip and Im only avg 31 mpg with the AC on full blast, but the minute I driving for longer than 30 mins Im getting 40 mpg city easy. Short trips eat up alot of fuel.
    Preach on, good man.

    I say keep the tires aired up. Every time - especially if fuel economy is a goal. Find what works for you within your comfort.

    Make one change at a time, starting with removing the roof rack. Keep track of each change and be sure to let us know how it all goes. These little cars can do better.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)


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  10. #17
    Senior Member dspace9's Avatar
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    Quote Originally Posted by Eggman View Post
    Preach on, good man.

    I say keep the tires aired up. Every time - especially if fuel economy is a goal. Find what works for you within your comfort.
    Every time Eggman? Codylehr23 should at least try regular air pressure, don't you think? and see what that does.

    Sure wouldn't hurt, or involve unscrewing anything on the roof.

    If the owner's manual says use 35 psi, there's a reason for them saying that. If they say don't use your iPod in the bath, there's a reason for that too.

    Sorry to state the obvious. Try the obvious first Codylehr23 run your tires as they were designed, why wouldn't you. Then tweak
    Last edited by dspace9; 05-26-2019 at 03:23 AM.

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage ES 1.2 manual: 42.2 mpg (US) ... 17.9 km/L ... 5.6 L/100 km ... 50.7 mpg (Imp)


  11. #18
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    Dspace is worrying me about tire pressure so I did reduce it down to 40 PSI. No I'm not going down to 35. More pressure is better and reduces resistance and the tire is rated at 42 PSI max.

    And I don't want to waste time so I did take off the roof racks. although I doubt it'll make much of a difference we'll see what this combination together will make.

    I will report my morning commute MPG in the morning. Morning temperature should be around 60 degrees. But it shouldn't be that cold in my garage.

    As for the post saying it takes 30 minutes to achieve maximum MPG, that sounds nice but that is not reasonable. It shouldn't take 30 minutes to achieve efficiency in any car. How is that acceptable? I can understand in below-freezing weather, maybe, but that's ridiculous.

    I did get 30 MPG when there was a cold snap out here on a full fill up. I understand cold can drastically affect your mileage but that seems a bit drastic

    Maybe this car is running too rich than others when it's cold. I remember looking up the TSB for something that it would run rich longer than normal under cold conditions and use more fuel than needed. But if it's this severe I feel like I should be a recall.

    Also I'd like to say I appreciate everyone's help here. I feel like if anyone else had the situation they be on this forum same as me. I really want to love this car. As of right now I just appreciate the car because it runs. The timing belt snapped on my old Honda Civic during the middle of a divorce.
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    Last edited by Codylehr23; 05-26-2019 at 05:50 AM.

  12. #19
    Where's the leak ma'am? Marklovski's Avatar
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    You kind of answered your own question. A basket rack will reduce MPG by 3-5. Hilly areas will indeed hurt your MPG, Are your tires the stock eco Dunlops? If they're grippier tires they will reduce another 3-5.

    I was getting about 45-50 on Pacific highway when the car was brand new stock. I'm getting about 35-40 freeway with my Mirage and around 30-35 with my Corolla.
    Fuel Log: Good enough
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  13. #20
    Where's 6th? BecauseRaceCar's Avatar
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    There was a recall issued for the rich fuel mixture when cold issue. It requires a reflash of the ecu at the dealership. It is a couple of hours to do, but is recommended due to possible engine failure if not updated on 2014 and 2015 models.


        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 38.6 mpg (US) ... 16.4 km/L ... 6.1 L/100 km ... 46.4 mpg (Imp)


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