Hi,
I only test them while connected to the ecu ..and engine running, warmed up.
if it's only .15 to .17 volts ..it's stone dead.

you want to see a pretty large swing ....              .2  to .7 or .8
Large swing.
I've had them fail in as little as a year, fwiw.

Scott
www.turbovans.com

----- Original Message -----
From: "B Feddish" <uprightbassghost@HOTMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, January 02, 2012 11:34 AM
Subject: My turn with the O2 sensor issue.

I’ve got that issue where the van runs fine cold then gets sluggish when
warm.  Mileage is down to 15 in the city too.  When I disconnect the O2
sensor it runs better warm.  I connected the volt meter and while
disconnected it ranged from 0V at cold to about 1 volt after a few minutes
it pretty much stayed there.  Then I connected it back up and left the volt
meter on. It went up and down from .15 to .17 at about 2000 RPMs and stayed
in that range.

Thoughts....

Thanks,
Bryan