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Smog Pump!!!!

Discussion in 'A4/S4 forum(B5 Chassis)' started by docurley, Dec 29, 2005.

  1. docurley
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    docurley Moderator Staff Member Moderator

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    [Dec 29, 2005]
    Do our UK cars have a smog pump, as I need to know because I'm hopping to be testing a Beta FMIC for a US company but need to know if we have one like the US cars?

    I gather it is the charcoal canister that absorbs the fuel vapours and burns them as the engine warms up. It is an emissions feature.

    Anybody shed any light on this /ubbthreads/images/graemlins/confused.gif
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Dec 29, 2005]
    ours is under one of the front wings isnt it?? its part and parcel with the secondry air pump setup i think
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  4. tubtub
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    tubtub Member

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    [Dec 29, 2005]
    'Smog pump'? I think I'll rename my smoky diesel that...!
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  5. manwithbins
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    manwithbins New Member

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    [Dec 29, 2005]
    I think the charcoal canister is indeed under the drivers side wing, and the fumes are allowed into the inlet manifold under certain conditions determined by the ECU,which opens a valve.
    I think the engine needs to be at operating temp and not idling,but it was a while ago I read it!
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  6. RichA3Turbo
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    RichA3Turbo ...Watching you! Staff Member Moderator

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    [Dec 29, 2005]
    Ask them for a P/N of the thing they are talking about, and check if you have one that way.

    RIch
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