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Re: ****sche 924S emissions test failure

by "William Noble" <nobody@[EMAIL PROTECTED] > Nov 9, 2007 at 11:00 PM

let me try saying this again - NOX is not an O2 sensor issue - it's timing 
related, retarding the timing will fix the problem, just flip the switch
to 
the retarded position
<alordofchaos@[EMAIL PROTECTED]
> wrote in message 
news:1194622362.849083.18620@[EMAIL PROTECTED]
> On Nov 7, 7:29 pm, "ignatz" <bobthea...@[EMAIL PROTECTED]
> wrote:
>> Hi ! Can anyone out there help me on NOx readings on my 924S?  Just 
>> barely
>> passed a year ago - now 1850 where max. is 1250- runs great - maybe
just 
>> a
>> little hot - any ideas are appreciated. It is driven about 2000 miles a
>> month, so not from disuse.   thanx,  ignatz
>
> It could be 02 sensor running the car lean - they're a 30k miles
> service item.
>
> Make sure your exhaust is hot when you test... running an hour on the
> highway right before testing might help the cat. You might also want
> to make sure your cat is OK, not plugged, etc
>
> Could also be a vacuum leak causing a lean condition.
> 



-- 
Posted via a free Usenet account from http://www.teranews.com
 




 13 Posts in Topic:
porsche 924S emissions test failure
"ignatz" <bo  2007-11-07 19:29:14 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-07 18:09:47 
Re: porsche 924S emissions test failure
Walter Spector <w6ws_x  2007-11-08 09:49:19 
Re: porsche 924S emissions test failure
alordofchaos@[EMAIL PROTE  2007-11-09 07:32:42 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-09 23:00:40 
Re: porsche 924S emissions test failure
"dave AKA vwdoc1&quo  2007-11-10 16:11:57 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-10 21:14:27 
Re: porsche 924S emissions test failure
"dave AKA vwdoc1&quo  2007-11-11 13:48:03 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-11 22:32:30 
Re: porsche 924S emissions test failure
"ignatz" <bo  2007-11-12 23:04:26 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-12 22:37:06 
Re: porsche 924S emissions test failure
"dave AKA vwdoc1&quo  2007-11-13 13:03:34 
Re: porsche 924S emissions test failure
"William Noble"  2007-11-13 22:03:02 

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