Date:         Tue, 11 Sep 2007 16:52:25 -0400
Reply-To:     Kenneth Lewis <kdlewis@NORTHSTATE.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Kenneth Lewis <kdlewis@NORTHSTATE.NET>
Subject:      Re: My poor MPG, O2 sensor seems okay
Comments: To: rubatoguy@COMCAST.NET
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
              reply-type=original

I expect the voltage to swing from zero to one volt , two to three times a
second at hiway speeds. I also noticed the moving dot disappears for a
second or two as the idle position sensor is activated.

A bad ground between engine and chassis will mess with this tiny voltage.

Ken Lewis
http://neksiwel.20m.com/


----- Original Message -----

>I have one of these too - but my meter lights are all over the map.
> It will start near center when first started, but while driving is almost
> like it is in random sweep mode. Sometimes it will go right off the scale
> (no lights for awhile)
>
> I'm guessing that this is indicitive of a problem O2 meter?
>
> Todd
> '88 Westy