[s-cars] Lt. Stinky..

[Bjørn Ødegård]

Thanks for all the replies, I guess I'll do a check of the whole exhaust
/ sensor system, but as also newer cars often smell, I think I'll  let
the cats be for now. (the flow is OK..) I'll also check the lower IC
hose for oil, I had just some minor deposits the last time I was in
there.
I just got back from a small trip, (about 300 km.) and the average fuel
consumption was 0.92 l/10km. Not bad after all. (Previously, I got
around 1l/10km, but since changing job, a little closer and bigger
chance of spirited driving, I seldom get below 1.2l/10km.) Do your own
math to get the mpg numbers, my dial says litres and kilometres! ;o))

Bjorn  :o)

----- Original Message -----
From: "CyberPoet" <thecyberpoet at cyberpoet.net>
To: <s-car-list at audifans.com>
Cc: <beernuts at online.no>
Sent: Saturday, March 22, 2003 11:39 PM
Subject: Re: [s-cars] Lt. Stinky..


> Bjorn,
>
>     That rotten egg smell is your catalytic converter dying. If the
> smell is intensely of sulfer (i.e. - rotten eggs), it's the last smell
> it makes before
> it gives out (unfortunately, it can also mean that it gave out in a
way
> as to partially or completely block the exhaust). Reason for the
smell:
> usually is caused too much unburnt fuel reaching into the exhaust
> headers and igniting there, and thus running the cat at too high a
temp
> (causing the inside to melt). Bad oxygen sensor can cause excess fuel
> to reach the exhaust headers (among other reasons, such as poor spray
> patterns from the injectors).
>
> Can't believe no one else on the list caught this obvious sign...
>
> Good Luck!
> =-= Marc Glasgow
>
> On Friday, March 21, 2003, at 09:23 AM,
s-car-list-request at audifans.com
> wrote:
>
> > After some spirited driving this morning, I pulled into the parking
lot
> > where my wife should join her workmates (No no.. It's not what you
> > think, they just commute together!! ;o) and looked/sniffed at my
S4's
> > exhaust. It had a gray/blueish tone, and smelt like rotten eggs. (It
> > does that from time to time..) The hint of blue turned completely
gray
> > after just some minute of idle. It runs well, (timing belt ok) but
has
> > a
> > somewhat poor mileage.
> > Guess it's time for a O2 sensor change after 210.000km?
> >
> > Bjorn  :o)
> > '92 S4
>
>



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