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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