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Thread: 2005 A6 C6 3.0Tdi De-cat

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  1. 2005 A6 C6 3.0Tdi De-cat 
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    I think my cats may be on their way out, question is I know diesels have a smoke test rather than an emissions test (least I guess that is still the case) so if I have the cat removed entirely will my car fail the MOT.
    Not looking for any performance stuff, just wondering if I dont need them then Ill get rid of them rather than replace them with new ones
     
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  2. 2005 A6 C6 3.0Tdi De-cat 
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    I didnít think they had cats ?
    Edit: actually Iím thinking DPF.


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    A6 2.7 TDI Quattro Le Mans
     
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  3. Re: 2005 A6 C6 3.0Tdi De-cat 
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    Yes I think they only came with a DPF and the cat further back. We send loads to be cleaned, they are easier to remove than the 4 cylinder.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  4. Re: 2005 A6 C6 3.0Tdi De-cat 
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    dpf werenít standard until 08, canít see them being on 05 as mines not got them. 05 3.0tdi


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  5. Re: 2005 A6 C6 3.0Tdi De-cat 
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    If a dpf needs cleaning something went wrong as they're self cleaning , all too often the shorter journeys are blaimed but there's so many other reasons .
     
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  6. Re: 2005 A6 C6 3.0Tdi De-cat 
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    Quote Originally Posted by Gazwould View Post
    If a dpf needs cleaning something went wrong as they're self cleaning , all too often the shorter journeys are blaimed but there's so many other reasons .
    Not necessarily as - they get clogged with ash over time which limits their soot capacity and unlike soot cannot be self cleaned. This can be caused simply by age and/or the use of the wrong oil. There are a number of commercial processes that can clean the ash out with chemical dips and back flushing and even some DIY methods with a jetwash and caustic soda!
    If it was originaly fitted with a DPF (even this early model) then AFAIK with the current MOT rules it will fail as it has to meet the emissions standards of the car in it's original state and not the emissions standard of that year of manufacture - I could be wrong though and 06 does seem early for a DPF to be fitted.
    2011 A6 Allroad 3.0TDI
     
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  7. Re: 2005 A6 C6 3.0Tdi De-cat 
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    none on mine 07. quick way to tell exhaust tips point down or straight out?
    down to dump the soot straight out no soot should get out...
    Stewart
    2007 A6 quattro 3.0 TDI Manual
    1986 coupe quattro (kv) square wheels.
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  8. Re: 2005 A6 C6 3.0Tdi De-cat 
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    Now I am at work I can use proper ETKA and it shows heading "exhaust pipe with catalyst Diesel Particulate Filter" but lower down clarifies it as a retro fit DPF kit with line fit DPF coming along for my2009.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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  9. Re: 2005 A6 C6 3.0Tdi De-cat 
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    Mine 3.0tdi 2006 has no dpf . Its classed as euro 4 standard dpf preperation

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  10. Re: 2005 A6 C6 3.0Tdi De-cat 
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    I bought a 2008 A6 2L slime TDI with a broken CVT a few years ago and that was EU4+DPF which at the time was the first one of those I had seen.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
     
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