Who Uses Diesel Fuel Additives, My Mpg Decreased!

Discussion in 'General VW T6 Chat' started by Fluff34567, 11 Feb 2020.

  1. Fluff34567

    Fluff34567 Member T6 Pro

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    I saw a few comments on here about people using fuel additives and when doing the weekly shop I picked up a bottle.

    Over 4 tanks it has increased my consumption!! My drive is mind numbingly boring it's the same route at the same time same speeds and same loads.

    I didnt expect it to do anything at all but to increase fuel usage I really didn't expect.

    My fuel sits at about 8.33l/100 plus minus 0.20 for the last 10 tanks. After adding the correct amount of additive it went up to 8.8 and sat at about 8.9 plus minus 0.10 for the following 4 tanks.

    I didnt add any on my last tank and I'm back to 8.5/100
     
  2. DaveD

    DaveD Member T6 Pro

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    So you paid for a product to make your van thirstier? o_O
    I'm guessing you won't be buying any more of that then.
    I just use any branded diesel, mainly BP or Shell, no additives, I don't use supermarket fuel generally and I don't buy my groceries from a petrol station.
    There are people who swear by additives such as Millers, and fair play if their experience using it is good, but I'd rather spend the money on regular oil changes.
     
    Nev-D likes this.
  3. Fluff34567

    Fluff34567 Member T6 Pro

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    Haha yep in the end it cost me more. I throw in any diesel where ever is cheaper but here dont have supermarket fuels, not in my area anyway. Its BP shell jet omv I refuel in germany.

    What's left is going in the bin.
     
  4. Dieseldonkey

    Dieseldonkey 150 DSG Shuttle Conversion VIP Member T6 Legend

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    What additive did you use? Did you note the ambient temperature outside while doing the comparisons? Lower temperatures means higher fuel burn. Wind direction and speed can also play a part on a daily commute.
     
  5. Fluff34567

    Fluff34567 Member T6 Pro

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    Will get it out the bin tomorrow. Temp has been stable last weeks with no significant changes.
     
  6. hoggle

    hoggle Member VIP Member T6 Pro

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    In the bin...out the bin! :D
     
  7. Rg_

    Rg_ Member

    I put in half a bottle of Redex hoping for some MPG increases but didnt see any difference.

    When I first got my van a full tank showed me the range of 800 miles on motorway runs.

    Recently its been more like 600....
     
  8. widu13

    widu13 Senior Member VIP Member T6 Guru

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    It's all been covered before...the standard stuff you buy in Halfrauds is unlikely to make any difference.
     
  9. Fluff34567

    Fluff34567 Member T6 Pro

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    Fished it out its Wynns brand, back in the bin :thumbsup:
     
  10. widu13

    widu13 Senior Member VIP Member T6 Guru

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  11. DXX

    DXX Senior Member VIP Member T6 Guru

    It’s about as much use as anti ageing cream. There’s a market for every potion!
     
    Last edited: 13 Feb 2020 at 00:25
  12. Insert Coin

    Insert Coin Senior Member VIP Member T6 Guru

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    I use Millers, probably snake oil, but I plan to keep my van for a long time so along with 5,000 mile oil and filter changes I'd like to see my van easily clocking up many 10000's of miles with no engine issues.
     
  13. Skinns

    Skinns New Member

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    It’s all a money spinner I’m afraid, all I know is that the local garage
    To me is a bit more expensive then Tesco etc but definitely get more
    Mpg! I always thought diesel was diesel but obviously not!
     

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