[s-cars] Misfire Diagnostic Help?

[Chris Hemberger]

Thanks for the suggestion ...  I'll swap-in the OEM ECU as a test.




________________________________
From: Audionly <audionly at gmail.com>
To: Chris Hemberger <cehemberger at sbcglobal.net>
Cc: "s-car-list at audifans.com" <s-car-list at audifans.com>
Sent: Sun, December 11, 2011 11:17:59 PM
Subject: Re: [s-cars] Misfire Diagnostic Help?

I have seen that and it was eventually tracked to a bad driver in the ecu,

Sent from my iPhone

On Dec 11, 2011, at 7:42 PM, Chris Hemberger <cehemberger at sbcglobal.net> wrote:

> Hi Folks - have owned my S6 Avant for ~7 yrs & ck the site from time to
> time; have never posted but the time has come..  My car w/ ~160k has developed 
>a
> misfire/rough running condition that I'm looking for some assistance in
> troubleshooting. Car is stock other than a Stage 1 modded-ECU (MTM as I 
recall)
> & has had the Apikol coil-conversion for 3yrs; I'm getting a '4411' code
> indicating a problem w/ the #1 injector. Swapped coils around (and even tried 
a
> new one..), pulled the injector connector and the condition worsens which 
would
> indicate the injector is functional to some degree - which leads me to my
> question: do the injectors experience 'partial' failure which might explain my
> situation? Selectively disabling each injector on each of the remaining
> cylinders results in degraded operation. Have run out of diagnostic ideas &
> thought I'd come to the experts - any suggestions/questions welcomed!
> Thanks,
> Chris Hemberger
> Amston, CT
> '91 200q Avant
> '95.5 S6 Avant
> _______________________________________________
> S-CAR-List mailing list
> http://audifans.com/mailman/listinfo/s-car-list
> http://www.audifans.com/kb/List_information