TDI TUNING BOX

Discussion in 'Tech/Mech General' started by crutch, Apr 19, 2015.

  1. crutch

    crutch

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    I'm thinking of getting a TDi tuning box for my Fiat based motorhome. It's a 2.3 dt multijet 150 bhp, I just wondered if any of you guys had got one fitted to the same engine, if so had you had any trouble and do they really make a difference to the power output and what sort of mpg gains could I expect in reality as tdi tuning quote 4 to 6 mpg.
    Thanks !!
     
  2. pappajohn

    pappajohn Funster Life Member

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    Many conflicting reports.

    Google it and see what that throws up.

    Plug in tuning boxes only increase the injector rail pressure....nothing else is altered.

    All that will do is inject a little more fuel in the same injector "open" time....doesnt mean it will run any different but maybe a little smoke from unburnt fuel.

    A proper re-map alters injector timing, increased raIl pressure and injecting period among other parameters.

    One member here had the whole shebang reverted back to standard map after having a remap by (from memory) WOW tuning and got worse results, power and economy, than before the remap.

    Folks who say they got an extra 6 or 7 mpg and loads more power are fooling themselves

    Have a r3ad of forestboys experiences

    http://www.motorhomefun.co.uk/forum/search/7761402/?page=2&q=remap&o=relevance&c[user][0]=46
     
    Last edited: Apr 19, 2015
  3. crutch

    crutch

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    Thanks for that, I'll take a look at that in my break.
     
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