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slight miss on idle

Discussion in 'Diesel forum' started by vw754, Feb 7, 2009.

  1. vw754
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    vw754 vorsprung Durch Technik

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    [Feb 7, 2009]
    I have a 2005 tdi 2.0 audi a3.
    Ive noticed that at idle there is a shake,basically as if it ticking over and every say 5 seconds or so i get a shake....as if the cars missing drives spot on,plenty of power and the rev needle dont move erratically or anything infact rev needle stays put and dont budge, nothing comes up via diagnostics its only slight thort id ask.....any ideas?
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  3. frenchy2475
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    frenchy2475 Tetbury Audi Parts Man

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    [Feb 13, 2009]
    I would say its egr related. One of our techs has an A3 same engine and I heard him describing exactly the same symptoms and he says its the egr valve.
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  4. vw754
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    vw754 vorsprung Durch Technik

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    [Apr 7, 2009]
    cleaned out the egr,wasn't very bad actually cleaned and replaced o ring and gasket.....same issue.
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