From: "Mark" 

Ah, yea, that sounds like a bogus "upgrade" sell for sure
 


"Mike N."  wrote in message
news:3kv6f2hc3dlk1oc9s2jqocl59qsuj8hfh0{at}4ax.com...
> On Mon, 28 Aug 2006 17:39:55 -0400, "Mark"
 wrote:
>
>>anyway I knew it'd had been awhile since
>>the air filter was changed so I said yes to that and they came up with the
>>PCV (that's probably what they had for you -- positive crankcase
>>ventilation)
>
>  I don't remember the exact term they used, but it was to filter the
> passenger compartment air vent.  Of course they went into the big scare
> about all the molds, pollens, and dust that you breathe from the incoming
> air.

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