Fuel Stabilizers

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by ATK2020, Sep 10, 2019.

  1. ATK2020

    ATK2020 New Member

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    Does anyone out there put gasoline stabilizers in their Prius? I can see my car not needing a fill up for a very long time as EV mode will handle most of my day-to-day driving.

    Any comments on whether you need a stabilizer is welcome as well.

    If you DO use a stabilizer, what brand do you use and what do you think of it?

    Thanks!
     
  2. jb in NE

    jb in NE Senior Member

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    No stabilizers for me. The tank is sealed for the most part. I drive several months on EV, then fill with fresh fuel before a trip. When I get home I leave the tank near empty (3-4 bars) until next trip.
     
  3. Montgomery

    Montgomery Senior Member

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    I haven't, but I fill up about every 3 to 4 weeks.
     
  4. Rob43

    Rob43 Active Member

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    OP,

    I ran an Ethanol fuel stabilizer for awhile based on your exact thoughts, but then realized based on our ICE usage that filling up with a ~1/2 tank of real E0 gasoline worked out better for my needs. If I take a long trip I fill up with Costco E10 gasoline, then when I get back home on virtually an empty tank I fill up again with real E0 gasoline.


    Rob43

    PS, If you have a 240v outlet near your Prime, you can charge up in 2 1/2 hours for less than $50 dollars.
     
  5. bisco

    bisco cookie crumbler

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    if you don't fill up for a year, might be a good idea. or just buy a gallon at a time
     
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  6. MSantos

    MSantos EcoAccelerometry

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    Agreed.

    I do not have a better option than using a fuel stabilizer. I'm at almost 11K miles on the odometer and still at 1/3 of the tank (dealer gas, 1.5+ years after delivery).

    Last fall I added stabilizer to the tank, and will likely do the same this October.

    I use "Sta-Bil Fuel Stabilizer" which I purchased at a local Canadian Tire. Just a small bottle will treat up to 20 gallons or so.

    Sta-Bil Fuel Stabilizer, 236-mL | Canadian Tire

    Walmart, AutoZone and Pep-boys will have the equivalent if not the same.

    Cheers
     
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  7. Rob43

    Rob43 Active Member

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    You would be far better off by switching over to the ICE now in an effort to burn that old gasoline off, then start fresh any way you see fit.


    Rob43
     
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  8. vvillovv

    vvillovv Active Member

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    I agree with Rob43. Personally, I use ( real ) non ethanol gas whenever possible and I find it needs less stabilization over longer periods of time, 2 years while in a closed container.
    I use so little gas that when I get down to about a 1/16th I add $10 worth which gets me to between 5/16's to 7/16's and that still lasts for months at a time.

    Also, it's good to run the ICE every so often just to make sure it is still under the hood and get it out of the barn in the nice weather.
     
    #8 vvillovv, Sep 11, 2019
    Last edited: Sep 11, 2019
  9. frodoz737

    frodoz737 Top Wrench

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    Sta-Bil will hurt nothing...but prevents for just in case.
     
  10. jb in NE

    jb in NE Senior Member

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    Sta-Bil also has a shelf life. If you only use a few ounces a year, the rest will get stale like the fuel.
     
  11. Georgina Rudkus

    Georgina Rudkus Active Member

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    My dad used old Stabil for years and had gasoline in Scepter military fuel cans for up to 8 years. The old gas had it's VOC's permeate and lost through the plastic walls but ran without problems when mixed with fresh gas. VOC's made up to 10% of the liquid's volume.

    Lesson learned. My dad and I only use NATO type lined metal cans.

    The shelf life of non-ethanol gas is greater than conventional wisdom dictates. I've used 8 years old gas with Stabil in lined steel NATO type European gas cans with absolutely no issues. The steel cans prevent loss of VOC's through the walls.
     
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  12. ATK2020

    ATK2020 New Member

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    Thanks, Everyone.

    Guess it's easiest to just run the ICE once in a while. Good excuse for a road trip!
     
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  13. Peng Xiao

    Peng Xiao Junior Member

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    It's kind of funny.
    Walmart has 32oz for $8.88 now. I'm using it in my GX470, which refill about every 2 months.
     
    #13 Peng Xiao, Sep 12, 2019
    Last edited: Sep 12, 2019
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