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poss misfire cause

Discussion in 'A4/S4 forum(B5 Chassis)' started by audi1664, Oct 27, 2010.

  1. audi1664
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    audi1664 Audi For Sale

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    Alrite guys my audis got a misfire from nowhere, long story short my temperature gauge has been intermittent working and not!

    I got told today by an ex audi mechanic that a poss cause of a misfire could be a temp sender that before telling him the gauge fault!

    Can anyone say if they have heard of this?

    If so where could i purchase a new switch from!

    Thanks for your help guys!
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  2. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    New sensor from Audi.

    Doubt it would cause a missfire though. Have your checked all the usual ignition components?
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  3. audi1664
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    audi1664 Audi For Sale

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    yeah all checked first of all brought genuine set up plugs, and still nothing, its a slight misfire when cold and gets worse the warmer it gets, solus scanner coming up with nothing also no engine management light?

    I used to be a bmw mechanic and in the past have had e30`s misfiring and this was down to the sender!

    Suppose its a £15 gamble!

    Will go to audi!
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  4. audi1664
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    audi1664 Audi For Sale

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    set up i meant spark plugs
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  5. murran
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    murran Active Member

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    youve already started a thread about this havent you? i posted in it....
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  6. audi1664
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    audi1664 Audi For Sale

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    Yeah I did but that was asking why the misfire this is asking if a temp switch could be a cause!
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  7. murran
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    murran Active Member

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    did you have a look at the injectors like i suggested?
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  8. evilscotsman
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    evilscotsman Space Cowboy

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    if the misfire is present cold or hot then its not a temp issue, could be sparkplug, coilpack, faulty injector...
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