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Date:         Wed, 9 Apr 2008 10:25:47 -0500
Reply-To:     Aaron Pearson <aarondpearson@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Aaron Pearson <aarondpearson@HOTMAIL.COM>
Subject:      Re: flow-through muffler -> cool cat -> FAILS emissions
In-Reply-To:  <BLU117-W46A871476265610C0A17E3ACED0@phx.gbl>
Content-Type: text/plain; charset="iso-8859-1"

i'd like to apologize to the group for my peculiar spelling of "fails". typos in the message body i can deal with, but subject line errors bug me.

aaron

---------------------------------------- > Date: Wed, 9 Apr 2008 10:15:54 -0500 > From: aarondpearson@HOTMAIL.COM > Subject: flow-through muffler -> cool cat -> failes emissions > To: vanagon@GERRY.VANAGON.COM > > my EJ22 van has failed emissions (CO too high) several times in a row. after confiming that the van is in tune and running right (new O2 sensor, valve position sensor, temp sensor and new plugs), and adding a test take-out before the cat, my mechanic believes that the problem might be that my fancy flow-through magnaflow muffler may be cooling the cat down too quickly so that it is not doing it's job removing CO. that is, when running on the highway the cat is hot and clean, but after waiting in line at the emission test facility, the cat cools down and doesn't clean out the CO. this makes some sense to me, but i'm not a chemist. he's trying that now, putting on a known good stock muffler and running it through thte test. what's your vote: will i have my van back tonight with a clean stamp from aircare colorado? > > aaron > '87 syncro westy ej22 > boulder, co > _________________________________________________________________ > Get in touch in an instant. Get Windows Live Messenger now. > http://www.windowslive.com/messenger/overview.html?ocid=TXT_TAGLM_WL_Refresh_getintouch_042008

_________________________________________________________________ Get in touch in an instant. Get Windows Live Messenger now. http://www.windowslive.com/messenger/overview.html?ocid=TXT_TAGLM_WL_Refresh_getintouch_042008


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