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Audi a3 1.8t 1996 (AGU) misfire

Discussion in 'A3/S3 Forum (8L Chassis)' started by Matty151, May 1, 2013.

  1. Matty151
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    Matty151 New Member

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    [May 1, 2013]
    Hey , my a3 has developed a misfire on cylinder 3 . It happened when i turned the engine off then turned it back on it was running on 3 cylinders . Its the 1.8t agu engine made in 1999 . Iv swapped coils around and spark plugs . Also checked for broken wires but it still only runs on 3 cylinders have read and wonder if it could be the ignition amplifier? Plugged it onto diagnostics bought up a knock sensor and oxygen sensor - cleared them took it down the road they haven't reappeared ! Iv got to this box ( will add photo now ) is this the amplifier and is there a way to test it? Any help or advice would be appreciated Cheers!

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  3. basil brush
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    basil brush Active Member

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    [May 1, 2013]
    Hi , your ignition amp is situated on your air box lid with a multi pin plug on each end ( 5 wires in and 4 out )
    so to answer your question , no that isn't the ignition amp .
    As for testing , I'm not sure , I know you can get testers but are pretty dear , not sure a multimeter will be of any help !
    Im sure an anorak will be along soon ;)
    baz
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  4. Matty151
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    Matty151 New Member

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    [May 1, 2013]
    Its 1999 sorry not 1996 ! Ah i see ! Thanks for your help
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