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Date:         Sat, 9 May 2009 08:32:00 -0700
Reply-To:     Rocket J Squirrel <camping.elliott@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Rocket J Squirrel <camping.elliott@GMAIL.COM>
Subject:      Re: O2 sensor transition time
In-Reply-To:  <00a701c9d0a4$af310890$0201a8c0@korky2>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

For the record, my O2 sensor cycles at 126 beats per minute according to my metronome. That's 2 cycles per second in a 1.9L @ 3000 rpm.

-- Mike "Rocket J Squirrel" Elliott 84 Westfalia: Mellow Yellow ("The Electrical Banana") 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano Bend, OR KG6RCR

On 5/9/2009 5:50 AM Ken Lewis wrote:

> David, > > I definitely would not call it "lazy". Maybe two or three cycles per > second. > > For experimentation, I have the O2 sensor output sent to the front of the > vehicle, through a switch, then back to the ECU. The other day while > driving > I noticed the O2 monitor was acting as you described. You guessed it, the > switch was open! As soon as I closed the circuit the display started > toggling rapidly. FWIW I had been driving for twenty minutes and had NOT > noticed any difference in performance. YMMV. > > Ken Lewis > http://neksiwel.20m.com/ > in statu viae > ----- Original Message ----- > From: "David Beierl" <dbeierl@ATTGLOBAL.NET> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Wednesday, May 06, 2009 6:38 PM > Subject: [VANAGON] O2 sensor transition time > > >> Running an '89 2.1l -- how fast should the O2 sensor change >> states? I don't mean how often, but literally how rapidly at say >> 3,000 rpm to go from .7v to 0 or the other way on Ken's little >> gizmo. Mine seems kinda lazy to me, but it's been a long time since >> I've seen a new one running. >> >> Thanks, >> >> -- >> David Beierl - Providence RI USA -- >> http://pws.prserv.net/synergy/Vanagon/ >> '89 Po' White Star "Scamp" >> >


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