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Lumpy Lupo

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by malcolm1sim, Mar 14, 2006.

  1. malcolm1sim
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    malcolm1sim Member

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    I have posted this on VW section as well but as this forum is busier I thought I would try here as well. I don't suppose that fault is limited to VWs'.

    Hi All,

    Quick question re my wifes Lupo. It is a T reg 1.4 Auto and has done about 25,000 miles. Recently it has developed a lumpy tickover when Drive engaged, at traffic lights etc. It does not stall but even so it is irritating. In Neutral all settles down.
    You can feel the problem as a drag on the gearbox!

    Any ideas anyone.

    Cheers for now,

    Malcolm
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  2. necroeire
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    necroeire Active Member

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    Might be one of two things, either a faulty coolant sensor or a faulty lamda sensor, not sure if the lupo has either but my old used to do the same thing while in idle.
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  3. malcolm1sim
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    malcolm1sim Member

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