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Engine CEL on and car very jerky

Discussion in 'A3/S3 Forum (8L Chassis)' started by edgerfs, Jan 15, 2010.

  1. edgerfs
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    edgerfs New Member

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    [Jan 15, 2010]
    Hey guys, on way home engine CEL warning light came on. Car still boosts but is v jerky, infact its jerky even below turbo zone. At one point CEL started flashing as well. Anyone know where to start :(
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  3. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jan 15, 2010]
    CEL?
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  4. edgerfs
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    edgerfs New Member

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    [Jan 15, 2010]
    sorry still in mazda speak, check engine light. Same as engine managment light I guess, the yellow picture of the engine that usually sends me into a spiral of depression :(
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  5. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jan 15, 2010]
    No worries.

    Sounds like a coil pack has blown mate, you just need to find out which one, try and get it on vag com if possible.
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  6. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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  7. edgerfs
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    edgerfs New Member

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    [Jan 15, 2010]
    Hm thats not too bad then if so, how much we talking for a coilpack?
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  8. leshkin
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    leshkin Speeding in reverse gear VCDS Map User

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    [Jan 15, 2010]
    Ideally, replace all four coils, as they tend to have a herding tendency and go in twos :)

    Cost is about 25 squid per coil - make sure to get the original Audi items as the 2 quid you save on copies isn't worth it.

    To find out exactly which coils is dead, it's best to scan the car using VagCom or similar.
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  9. edgerfs
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    edgerfs New Member

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    [Jan 15, 2010]
    Thanks guys found a specialist open tommorow so am booked in, if it does indeed turn out to be coilpacks I will replace all 4. I'm hoping the specialist will stock coilpacks, if not do stealers stock them?

    £100 doesn't sound too bad, last time I had a engine managment light was on an RX8... result... new engine!
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  10. edgerfs
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    edgerfs New Member

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    [Jan 16, 2010]
    It was indeed a coil failiure causing cylinder 3 to misfire. Thanks guys spot on diagnosis. I got all 4 changed and fitted for £170 which I think is a bit OTT but at least they did the job quickly and on a Saturday morning. Cheers again
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  11. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Jan 16, 2010]
    Thats about right, £30 a coil pack plsu an hours labour, sounds fair to me. Nice one
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