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Date:         Mon, 10 Jun 2002 18:01:27 -0500
Reply-To:     Marshall <mjruskin@SHAW.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Marshall <mjruskin@SHAW.CA>
Subject:      Re: Another O2 sensor querry -- heater element elementals
Comments: To: David Beierl <dbeierl@ATTGLOBAL.NET>
Content-type: text/plain; charset=iso-8859-1

Moreover, the 1.9 litre engine runs open loop for the first five minutes or so.

By that time, the unheated O2 sensor would have been warmed up - so it's pointless to heat the sensor - it'd just be wasted electrons.

Marshall Ruskin 84 Westy ----- Original Message ----- From: "David Beierl" <dbeierl@ATTGLOBAL.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Monday, June 10, 2002 05:29 PM Subject: Re: Another O2 sensor querry -- heater element elementals

> At 05:17 PM 6/10/2002, Various wrote: > >I'm thinkinkg of retrofiting my 1984 1.9L one wire setup to the 3 wire job, > >the thought being that it would heat up faster, idle better, get better > >econonmy, smog etc. Is it worth it, or is it a waste of time, money, > >stress, effort, patience, dirt, grease, rapped knuckles, spouse's tolerance > >etc. > > I doubt it makes much practical difference. The heater lets it start > working in say ten seconds instead of say 90, but doesn't do anything after > that. It lets them move the sensor to the cat housing instead of the > collector pipe without worrying whether it's going to stay hot enough -- > but you're not going to do that anyway. > > david > > > -- > David Beierl - Providence, RI > http://pws.prserv.net/synergy/Vanagon/ > '84 Westy "Dutiful Passage" > '85 GL "Poor Relation"

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