Oxygen Sensor

[laraa at sympatico.ca]

If memory serve, don't play with the throttle plate stop screw. It is supposed to be set at the factory to prevent any binding of the plate in the throttle body. Ask me how I now...

Louis-Alain



-----Message d'origine-----
De : quattro [mailto:quattro-bounces at audifans.com] De la part de David Vanden
Envoyé : 26 mai 2015 16:01
À : audi at humanspeakers.com
Cc : quattro at audifans.com
Objet : Re: Oxygen Sensor

I will put in an oxygen sensor.  Thanks for the advice.  On a separate note I just replaced the fuel pump and she is idling too high.  I tried adjusting the mixture but that didn't fix it.  Any ideas?  Decreasing the air on the throttle by setting the screw all the way to the right decreased it but not enough.  Any suggestions?

David

On Tue, May 26, 2015 at 2:54 PM, Huw Powell <audi at humanspeakers.com> wrote:

> Short term, for testing or diagnosing, it will run.
>
> Startup will be normal, but when the engine gets to operating 
> temperature, the computer won't be able to manage the mixture properly.
>
> Run without it for any length of time - like leaving home - can do 
> very bad things to the catalytic converter.  Fuel economy will also suffer.
>
> So first test if the OXS is working.  Then if it isn't, replace it. 
> Yes, I know, if this is a 4kq, it is *very* hard to get to, and it 
> will be rust-welded in place.
>
> This might help:
>
> http://audi.humanspeakers.com/timing2.htm
>
> - Huw
>
> On 5/26/2015 11:17 AM, dvanden46 at gmail.com wrote:
>
>> Has anyone noticed if it is detrimental to the car or if the car runs 
>> worse with the oxygen sensor disconnected?  This is for the CIS E system.
>>
>>
>>
>>
>>
>>
>> Sent from Windows Mail
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