new head impressions/problems (of course)

[amalventano1@comcast.net (Allyn)]

normal o2 sensors work at 0.5v = stoich. voltage should hover around that if its
in closed loop (i.e. still connected).
Al

----- Original Message -----
From: "Michael Abatzis" <abatzis2@hotmail.com>
To: <scirocco-l@scirocco.org>
Sent: Tuesday, September 17, 2002 12:37 PM
Subject: Re: new head impressions/problems (of course)


> yeah. i'm going to go buy a digital today. the voltage should be between
> .1-1v, right?
>
>
> -Michael Abatzis
> Hotlanta! GA
> 1988 Scirocco 2L 16v RIP-->parting, prelim web site, but not taking orders
> yet: www.learnlink.emory.edu/~mabatzi/mikes_page1.html
> 1987 Scirocco 2L 16v...
>
>
> >From: Allyn <amalventano1@comcast.net>
> >To: Michael Abatzis <abatzis2@hotmail.com>, scirocco-l@scirocco.org
> >Subject: Re: new head impressions/problems (of course)
> >Date: Tue, 17 Sep 2002 12:10:03 -0400
> >
> >on that o2 sensor voltage reading issue, you simply cant get an accurate
> >reading
> >with an analog voltmeter. o2 sensors can make voltage potential only, the
> >voltage cant do any work. as soon as you introduce an analog meter into the
> >circuit, it drags the voltage down. you need a digital meter (and hopefully
> >a
> >good one at that), with high impedance inputs. this is the only way to get
> >a
> >semi-accurate voltage reading (even then its not perfect since even a
> >digital
> >meter draws a tiny amount of current from the measured circuit).
> >Al
> >
>
>
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