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Thread: Missfire

  1. #1
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    Missfire

    Morning all. Driving home from work this morning after a nice 11 hour shift, goes to put my foot down a bit and theres a rather horrible sounding missfire, a flashing emission warning light and a rather smelly catalytic egg smell. Nursed it home, but now the question is, what is causing this?
    Last time it was a coilpack.
    Answers or opinions would be great. I don't have vagcom (seriously need to get off my arse and get it), hopefully be an easy fix or it's off to work in the nova tonite.

    Oh by the way it's an AUM 1.8t and it has been mapped.

    Cheers in advance

    Tim
    A3 1.8T Sport - KO3S, Revo stage 1 - Forge 007P - Forge TIP - Neuspeed Induction Kit

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  3. #2
    leshkin's Avatar
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    Without a vag-com you can only guess, but my bet is that it's a coilpack mate... Last time you had the problem with coilpacks, did you replace the whole lot or just the one that was failing?

    Normally, if one goes, the otehrs are not too far off going as well, so it's always better to replace all of them in one go and save yourself the agro later.

  4. #3
    S3 HODGE's Avatar
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    What coilpack did you change? You may find that if you changed No1 that no No3 will need swapping. Same for No2 and No4. But your going to be chasing your own tail replaceing 1 at a time. I got to buy 3 today as another one of mine has gone and im feed up of replacing 1 at a time .
    If you have the engine management light on the Vagcom will be able to throw the fault at you anyway
    Good luck.

    The One And Only Brown Bora

    Current: 2007 S3, Solar Orange - Revo Stage1 + all the toys
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  5. #4
    Nilz's Avatar
    Defo worth the wait :)

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    Just echoing whats already been said, sounds like another coilpack has gone, best bet is just to replace all of them, and you should be ok then.

  6. #5
    1st Gear

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    I would check the coil packs!
    Audi A3 54 plate 2.0 FSI Sport
    www.simplydents.co.uk

    Mods - 11 Rear lights, custom front matt black grille, I pod connection, S3 rear spoiler.

  7. #6
    Maz
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    Sounds v-much like a coilpack.

    ...Ive had two go pop since my remap in March. I picked up four new ones from Audi yesterday and noticed that S3 is now stamped into the plastic on the top of the coil. Never noticed previously and Im now wondering if A3's and S3's have different ones or are they all the same?



    can anyone confirm?


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  8. #7
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    Yep it was a coilpack again, got some spares to keep in the car now for when the next one decides to die.

    The ones i've just put in say S3 on the top aswell
    A3 1.8T Sport - KO3S, Revo stage 1 - Forge 007P - Forge TIP - Neuspeed Induction Kit

  9. #8
    Nilz's Avatar
    Defo worth the wait :)

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    Maz, im sure thats just a coding, the A/S3 1.8t ones are all the same.

  10. #9
    Maz
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    Thanks Nilz.


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  11. #10
    S3 HODGE's Avatar
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    Quote Originally Posted by Timmc View Post
    Yep it was a coilpack again, got some spares to keep in the car now for when the next one decides to die.

    The ones i've just put in say S3 on the top aswell
    I would put the other coilpacks in wast the others are new if you havent replaced them already or you will be chasing your own tail.

    The One And Only Brown Bora

    Current: 2007 S3, Solar Orange - Revo Stage1 + all the toys
    Sold: 2000 S3, Black
    Sold: 2003 BAM Nogaro Blue S3, Revo Stage2, 19" Rial Daytona's, AP Coilovers
    Sold: 2001 A3 1.8T
    Sold: 2002 A3 1.8T, Custurd Code, BBS CH, AP Coilovers
    Sold: 1999 A3 1.6, Jewish Racing Gold, S4 Wheels

    Xbox live ID: o_HODGE_o
    PS3 live ID: Hodge_09

 

 

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