[Biturbos4] Misfiring on multiple cylinders

dap128 dap128 at hotmail.com
Fri Aug 26 13:04:17 EDT 2005

The 2.7T isn't covered in the ignition coil recall as its coilpacks are a 
different less faulty design.

However, there are two modules on top of the airbox that control the 
passenger side and drivers side coil packs (cylinders 1, 2, 3 are bank 1 - 
passenger side and cylinders 4, 5, 6 are bank 2 - drivers side).  Sounds 
like one of those units is either unplugged or faulty.

-Dave Pramanik

----- Original Message ----- 
From: "Erik De Bonte (MSN)" <erikd at microsoft.com>
To: <biturbos4 at www.audifans.com>
Sent: Friday, August 26, 2005 12:24 PM
Subject: [Biturbos4] Misfiring on multiple cylinders

> My 2001 S4 recently started misfiring on cylinders 4, 5, and 6 under load. 
> Does anyone know if the VW/Audi ignition coil recall from a couple years 
> ago covers the 2.7t?  I found a couple sites that said it affected all VWs 
> and Audis (ex. http://www.vcertt.org/news/10-03.pdf), but others listed 
> specific models/engines that didn't include the S4.
> Also, does anyone have any intuition re: what might cause misfiring on 
> 4-5-6?  Just a coincidence, or is there something ignition related that 
> those cylinders share?
> Thanks,
> Erik
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