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Subject:Re: Question about testing O2 sensor with digital meter
From:Jim Felder
Date:Fri, 26 Sep 2008 12:59:34 -0500

I'm about to take the car out for an errand. I'll disconnect the O2
sensor and check the Temp II when I get back and it's warmed up. I
just put a new Temp II in this morning, BTW.

What's the procedure for testing it?

Jim

On Fri, Sep 26, 2008 at 12:56 PM, David Beierl <dbeierl@attglobal.net> wrote:
> At 01:51 PM 9/26/2008, Jim Felder wrote:
>>
>> Yes, it's hooked to the ECU.
>
> In that case it's totally screwed up.  What's the TII voltage as it warms
> up?  Should drop down to ? a tenth volt or so ? at running temp.  If it's
> zero, bad connection from ECU or bad ECU?  If it stays high, bad sensor? bad
> ground?
>
>
> --
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '84 Westy "Dutiful Passage," '85 GL "Poor Relation"
>