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  1. #1
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    How to test if DV has failed on 2.0 tfsi

    Hi all as above how do i test if the DV has failed or how do i check and is it easy to get to.

    cheers Mat

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  3. #2
    Avantageous

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    If you have access to VAG COM, scan for codes, and you should see a low boost code.

    If you don't have access to VAG, then to physically check it could be a bit fidly. I changed mine when I did my cambelt, so was very easy to change. You can do it without taking off the front end, I think most people do it by taking off the undertray and accessing it from underneath.
    The DV is located below the turbo, and is held in by 3 bolts. Undo 3 bolts, unclip harness, plug in new DV, plug in harness, and screw 3 bolts back on, very easy.

    To see if your DV is blown, and if you have the older revision B membrane style, just pull up on the knob around the membrane. With mine there was lots of holes in the membrane. If you've got the metal impeler style one, it shouldn't go wrong.

    It is well worth changing the DV to the revision D one, if your car has a blown B revision, you will think your cars had a remap when you put in the D!

  4. #3
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    Thankyou very much bud i will give it ago.

  5. #4
    Reverse Gear

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    Oct 2009
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    How much is the revision D DV then. Slowly going through mine getting it up to scratch now.

    Dents taken out the other day, new cambelt, etc. May as well spend a bit more while I'm at it....

  6. #5
    steve123a's Avatar
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    Nov 2006
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    I just fitted the forge DV with the yellow spring to mine and it has made a huge difference, as expected as my DV went about 2 months ago and the car had no real boost.
    2002 Silver S3 225bhp SOLD

    1995 Cavalier Turbo 4x4 - 265bhp

    AUDI A4 DTM - Silver

 

 

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