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Thread: 2003 2.0 DTI Tuning On a Budget?

  1. #1
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    Vehicle InfoStats

    Vehicle : 2.0 DTi

    Trim : LX

    Engine : Y20DTH

    Year : 2002

    Default 2003 2.0 DTI Tuning On a Budget?

    Hi all,

    Is there anything i can do to improve my 2.0 DTI, give it a bit more oomph?
    Very impressed with the economy in general, its just a bit gutless if im honest.
    I know i cant have it both ways (shame lol) but a bit more poke wouldnt go amiss
    I've heard of the Tuning Boxes but they are a bit expensive for me at the moment, is there anything cheapish i can do?
    Bashing out the insides of the Cat i've heard can be a big improvement, and ive read of some people shortening the actuator bar on the turbo for a little more boost but im not keen on messing about with that without a boost gauge
    Any more suggestions?
    Cheers, Ade.

  2. #2
    Regular Member DTi Elite's Avatar
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    Vehicle : Vectra

    Trim : Elite

    Engine : 1.9 cdti 150

    Year : 2007

    Mileage : 145k

    Default

    mine was a bit flat when I bought it , stripped & cleaned the inlet manifold , EGR valve etc.
    made sure the boost sensor was clean , that sort of thing & it now feels a lot better .
    next step is to remove the cat from mine .

  3. #3
    Regular Member TonyP2020's Avatar
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    Vehicle : Meriva B

    Trim : SE

    Engine : 1.7CDTi

    Year : 2011

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    Cleaning the Inlet manifold is worth it.
    Partially blocking the EGR is also a good move.
    Both if the above are in the How 2's on here.
    Other things are fit a K&N (or similar) airfilter, do the airfilter mod (remove the half round plastic bit in the bottom of the airfilter box, again in the How 2's), use a small amount (200ml) of 2 stroke in each 1/2 tank of diesel, and remove the cat from the exhaust.
    Normal oil/filter change using semi-synth oil every 6 months.
    DONT drive like a granny going to church, the engine occasionally needs to be thrashed down the motorway in 4th, especially when on the way to an MOT test, it helps clear the soot out.
    All this should cost less than £100.
    And it all helps to free the limited BHP available.
    Last edited by TonyP2020; 21st June 2012 at 23:54.

  4. #4
    Regular Member grabos's Avatar
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    de-cat did improve my 2.0dti a lot
    better response and the car feels lighter

  5. #5
    Regular Member DTi Elite's Avatar
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    Vehicle : Vectra

    Trim : Elite

    Engine : 1.9 cdti 150

    Year : 2007

    Mileage : 145k

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    Quote Originally Posted by grabos View Post
    de-cat did improve my 2.0dti a lot
    better response and the car feels lighter

    might do mine tomorrow , it could well be a bit choked now after 177k

  6. #6
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    Vehicle : 2.0 DTi

    Trim : LX

    Engine : Y20DTH

    Year : 2002

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    Thanks for all the suggestions guys. Looks like im going to be a bit busy lol

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