[s-cars] O2 sensor removal

[Steve Marinello]

By the way, the old O2 sensor head was very light whitish tan; a little
darker around the top....

Good, bad, indicative of anything? 

-----Original Message-----
From: tedebearp at yahoo.com [mailto:tedebearp at yahoo.com] 
Sent: Saturday, June 02, 2012 11:29 AM
To: Steve Marinello
Cc: <s-car-list at audifans.com>
Subject: Re: [s-cars] O2 sensor removal

Tell me about the cats.  My car failed smog at idle with high HC.  IR
pyrometer shows that the outlet temperatures are quite a bit cooler than the
inlet temperatures, implying that the cats are nonfunctional.

Sent from my iPad

On Jun 2, 2012, at 9:01 AM, "Steve Marinello" <smarinello at entouch.net>
wrote:

> Having put Paul Fernandes' gorgeous new exhaust on the avant and 
> replaced the cats, for the second time; this time with Magnaflow spun 
> SS metal matrix units, I'm replacing the O2 sensor, again,  today.  
> What was the consensus best way to remove it? .cold or warm it up and 
> let it sit a bit? Nut cracker soaking right now, with an occasional 
> tap.  Just wondered during my down time.  Seems to me that last time I
warmed it up a bit.
> 
> 
> 
> TIA,
> 
> 
> 
> Steve
> 
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