[s-cars] Running Rich: Help with Fault Code

[Brian Powell]

The plugs aren't the problem. They are only a few months old. The rich
condition leaves soot on the plugs themselves.

The voltage from the O2 sensor reads about 0.4-0.5 on idle which is too rich.


On Tue, 22 Mar 2005 19:36:57 -0500, Tony Curran
<tony.curran at sympatico.ca> wrote:
> Hey Brian,
> 
> Do your plugs have a rust like discolouration at the base of the ceramic. My
> mechanic advises this is not good and should be replaced immediately, which
> I did.
> 
> In good ol' USA, best price I found for F5DPor plugs was...
> http://www.expressautoparts.com/PartSearch/getpart.cfm?year=1996&make=AU&mod
> el=S6--001&category=F&part=Spark%20Plug
> 
> I actually bought mine from local mechanic who had a reasonable price.
> 
> Tony
> 96 S6
> 
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Brian Powell
> Sent: March 22, 2005 6:06 PM
> To: s-car-list at audifans.com
> Subject: [s-cars] Running Rich: Help with Fault Code
> 
> Greetings, my car has been running rich of late. I had an oldish O2
> sensor in there, so, I replaced with a universal (I didn't pull codes
> before this). After 10 days, it is still acting the same way, so I
> plugged in VAG-COM and got the following fault code:
> 
> 00537  - Lambda (Oxygen Sensor) Regulation
>          11-10 - Control Limit Not Reached - Intermittent
> 
> So, a new (spliced) O2 sensor and this is there. Granted, it could be
> left over from the previous O2 sensor; however, things are still rich.
> The tailpipe is blackened and the plugs are sooty.
> 
> Any ideas?
> 
> BTW, I have an RS2 setup with 37# injectors and MRC software. I am
> also at altitude (Denver).
> 
> --
> Cheers,
> Brian
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> 


-- 
Cheers,
Brian