At 02:31 PM 1/24/2002, Paul Mayfield wrote:
>I recently replaced my 02 with the generic sensor
>from Bus Depot. When I stripped the wire, I did not
>notice a braided shield. If there was one, I would have
>missed it because I made a clean cut right to the center
>insulation. The center wire had what looked like a teflon casing.

The shield is only on the green wire that the black wire from the sensor
plugs in to.

>Should I tear it apart, and look for the shield ?
>How do I know if the 02 sensor is working properly?
>If the only way is to measure voltage, I have a cheezy
>$10 Radio Shack volt meter, do I need something more accurate?

You need a scope or meter with 10 megohms input impedance.  Most digital
meters have this, some of the cheapest do not.  Very few analog meters do.

david

>Electron diagnosis challenged am I!

--
David Beierl - Providence, RI
  http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"