Date:         Fri, 26 Sep 2008 10:33:42 -0700
Reply-To:     mdrillock <mdrillock@COX.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mdrillock <mdrillock@COX.NET>
Subject:      Re: Question about testing O2 sensor with digital meter
Comments: To: Jim Felder <jim.felder@GMAIL.COM>
In-Reply-To:  <4d1b79350809260937w1bb3f0faw3d7b3c8b7f826d43@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

That behavior would tend to indicate at least a partially working O2
sensor. A static test like that  can't tell you very much as the system
is designed to be dynamic.

Have you measured the voltage on the signal wire of the O2 sensor while
it is connected to the ECU harness?


Mark


Jim Felder wrote:
> I'm having a recurring nightmare with my 2.1.
>
> Was dying after first 30 seconds, overly rich like it was the O2
> sensor. I replaced the O2 sensor with a good used one. It ran fine for
> a week, then started the same thing. So, I swapped out the ECU and
> temp 2 sensors. No help.
>
> When I test this second O2 sensor, I hook up my digital meter (set to
> 2v) and it starts out at zero as the car warms and eventually tops out
> and hovers (at idle) just over .800.
>
> Is this right?
>
> Jim
>
>
>