I'm a big fan of replacing it at the least sign of trouble. If you
haven't replaced it in 25k, test it by throwing it into a deep body of
water*. If it floats, use it. If not, replace it.

Bringing ideas to life,
G. Matthew Bulley
Bulley-Hewlett
www.bulley-hewlett.com
AIM = IExplain4u
+1.919.658.1278
"Fax mentis incendium gloria culpum"
*of course this is in jest, and one should never endanger our finned
friends with car parts...

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf
Of Alan Gondry
Sent: Monday, January 13, 2003 1:18 PM
To: vanagon@GERRY.VANAGON.COM
Subject: O2 sensor testing

Is there a way to check if the O2 is operating under normal parameters?