Oxygen Sensor

[Kneale Brownson]

You can spray WD40 with the engine running, and if you get a bump in revs, you've found a place where extra air is getting in. 

Sent from my iPhone

> On May 26, 2015, at 5:35 PM, Cody Forbes <cody at 5000tq.com> wrote:
> 
> You likely have a vacuum leak. The easiest way to find it is with a smoke machine. Outside of that you'll have to visually inspect every vacuum hose you can find. There's a method with spray flammable liquid too, but that should probably be left to somebody with more experience.
> 
> -Cody Forbes (mobile)
> 
>> On May 26, 2015, at 4:00 PM, David Vanden <dvanden46 at gmail.com> wrote:
>> 
>> 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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