[V8] exhaust soot

[Ingo Rautenberg]

Mike,

Interesting.  Is that the 035 919 369 H thermal switch?  Would the ECU give
a code for this?

Ingo

----- Original Message ----- 
From: "Michael Larosa Jr" <Mc.Larosa at Sun.COM>
To: <allanvega at adelphia.net>
Cc: <v8 at audifans.com>
Sent: Friday, November 19, 2004 2:44 PM
Subject: Re: [V8] exhaust soot


> ummm, actually where the 02 sensor is located your 2 exhaust headers
> come together then spread out again...
>
> black soot could be the head temp sensor...  these are about 20-30 bucks..
>
> It's located underneath the passenger side distributor...
>
>
> soot out one side is strange....
>
>
> I don't know if the dual pipes are seperated as they go thru the
mufflers...
>
>
> hhhmmmm,  perhaps on cat or muffler section is clogged ?  the right side
perhaps ?
>
> Mike,
>
>
> allanvega at adelphia.net wrote:
> > I thought this was related to my bad o2 sensor. but now suspect not. My
left tail pipe is clean when compared to the right side tail pipe. It is my
belief that the right tail pipe corespondes to left head and vise versa.
Now, our v8s use only one o2 sensor. If bad, wouldnt both sides exhibit a
soot problem? So my question is this: What would cause only half my exhaust
to be running rich? Allan
> >
> > _______________________________________________
> > Audifans V8 mailing list
> > Send posts to: mailto:V8 at audifans.com
> > Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> > Have an Audi V8 question?  Check the Audifans Knowledgebase!
> > http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
> > Have a V8 answer? ... Please help others by adding to the KB ... all
contributions welcome!
>
> -- 
>
>     _/_/_/  _/    _/  _/     _/      Mike LaRosa
>    _/      _/    _/  _/_/   _/       TSE - HAS
>   _/_/_/  _/    _/  _/  _/ _/        1617 Southwood Drive
>      _/  _/    _/  _/   _/_/         Nashua, NH 03063
> _/_/_/   _/_/_/   _/     _/
>   S U N                              Phone: 781/442-1250
>   S E R V I C E S                    Fax: 781/442-5488
>                                      Email:mc.larosa at sun.com
>
> _______________________________________________
> Audifans V8 mailing list
> Send posts to: mailto:V8 at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> Have an Audi V8 question?  Check the Audifans Knowledgebase!
> http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
> Have a V8 answer? ... Please help others by adding to the KB ... all
contributions welcome!
>


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.796 / Virus Database: 540 - Release Date: 11/13/2004