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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 1+: 60 results shown for O2.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: WRONG INFO - O2 Sensor, Bucking, etc.
    Historical mailing list - Darrell Boehler
    Wed, 1 Nov 2000 07:55:40 -0600
    Hi Rico, You are exactly right, the 1 and 3 wire o2 sensors like our vans use have a black wire plus output to...
  • O2-sensor voltage problems '84 1.9L -- Help needed
    Historical mailing list - John Lauterbach
    Tue, 23 Aug 2011 09:31:45 -0400
    ...Voltage from O2-cable coming from engine is +0.46 volts. Again, O2-sensor is not connected. I have tried with two different ECUs...
  • Oxygen Sensor Simulator
    Historical mailing list - Alistair Bell
    Wed, 15 Nov 2006 20:58:30 -0800
    for all those O2 sensor aficionados on the list: http://www.bobblick.com/techref/projects/o2sensor/o2sim/o2sim.html Alistair '82 westy, diesel converted...
  • Re: Drop in gas mileage update
    Historical mailing list - Eric Zeno
    Tue, 26 Oct 2004 09:24:00 -0400
    ...THe O2 sensor does not put out much current. The EU has a voltage divider that keeps it at .5 volt until the O2...
  • Bosch O2 sensor failures
    Historical mailing list - Mark Keller
    Sun, 4 Feb 2001 13:57:11 -0700
    After a early death to my Bus Depot Bosch genrice heated O2 sensor, I sent it to the local Bosch rep. I was told...
  • Re: O2 problems
    Historical mailing list - Tom Young
    Fri, 16 Jan 2004 06:21:31 -0800
    What the O2 sensor does is provide feedback to the ECU as to the fuel/air ratio so the ECU can compensate for a...
  • O2 Sensors, and harness connetion failure
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:10:46 -0800
    I posted that O2 sensor provides corrective data, to the ECU. The O2 sensor doesn't control the ECU, engine, or the AFM. The...
  • O2 Sensors, and harness connetion failure
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:10:46 -0800
    I posted that O2 sensor provides corrective data, to the ECU. The O2 sensor doesn't control the ECU, engine, or the AFM. The...
  • Re: O2 sensor testing the wires...
    Historical mailing list - Mark Drillock
    Tue, 3 Apr 2007 10:44:12 -0700
    The O2 sensor DOES ground to the exhaust. The gotcha is that the ECU has a dedicated ground wire for just the O2 sensor...
  • Re: O2 Sensors
    Historical mailing list - Michael Vickey
    Fri, 30 Sep 2005 11:17:09 -0400
    Bunch of baloney! Your new O2 sensor alone likely made the difference in performance. I use Bosch O2 sensors. Michael
  • Re: adjusting CO with O2 sensor
    Historical mailing list - Tom Young
    Mon, 21 Oct 2002 05:56:38 -0700
    ...You want to set your air/fuel mixture *without* the O2 sensor giving feedback to the ECU. This gives the O2 sensor its maximum...
  • Re: 02 SENSOR
    Historical mailing list - Loren Busch
    Tue, 30 May 2006 09:49:17 -0700
    RE: > > my O2 sensor light went on last week > and my mechanic says parts and labor $340. To put it bluntly, your mechanic is...
  • O2 sensor testing the wires...
    Historical mailing list - Todd Last
    Tue, 3 Apr 2007 17:29:22 +0000
    I've seen bad ground and shorted sensor wire mentioned in the references to the O2 sensor. How does one check these wires? VOM...
  • Re: o2 sensor question again sorry
    Historical mailing list - Robert Donalds
    Mon, 10 Feb 2003 20:55:38 -0500
    ...This allows O2 sensor and exhaust to clear itself out of soot and unburned fuel. The O2 sensor can be disconnected and the van...
  • Do I need a HEATED O2 sensor?
    Historical mailing list - Tom Young
    Tue, 7 Sep 2004 19:14:33 -0700
    ...Since the water-cooled converter has the O2 sensor bung I figured I could install an O2 sensor here to adjust air/fuel mix...
  • Re: Do I need a HEATED O2 sensor?
    Historical mailing list - Jack
    Tue, 7 Sep 2004 23:09:15 -0800
    ...Do I need a HEATED O2 sensor? > Hi all: > > For many years I've been using the O2 sensor in my California Vanagon to...
  • O2 light
    Historical mailing list
    Sun, 5 Nov 2000 08:07:54 EST
    Dear List, My O2 sensor light is now on permanently. The engine is running fine; O2 sensor itself was replaced recently. How do I...
  • Re: [Fwd: Re: Gas in Oil?]
    Historical mailing list - Charles D Earl
    Fri, 2 May 1997 00:50:06 -0700 (PDT)
    FYI, my '83.5 (H2O) has an O2 sensor. Charles On Wed, 30 Apr 1997, Sean Bartnik wrote: > > > > I hadn't either, but there...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - Dennis Haynes
    Sun, 14 Aug 2011 22:29:18 -0400
    There is a way to test the O2 sensor system for response. With the engnine warm and running, short the O2 sensor lead to...
  • Re: WRONG INFO - O2 Sensor, Bucking, etc.
    Historical mailing list - Rico Sapolich
    Wed, 1 Nov 2000 07:33:44 EST
    Someone recently stated that the O2 sensor is grounded at terninal 19 of the ECU. This is false. The active element of the O2...
  • Generic O2 Sensors? - Are they really equivalent?
    Historical mailing list - Ed McLean
    Tue, 9 Jul 2002 18:20:44 -0400
    With all the talk about generic O2 sensors, maybe someone can answer something that has been puzzling me for quite a while. Are O2...
  • Do I need a HEATED O2 sensor
    Historical mailing list - gary hradek
    Wed, 8 Sep 2004 08:19:56 -0700
    ...Do I need a HEATED O2 sensor? Hi all: For many years I've been using the O2 sensor in my California Vanagon to...
  • Re: 94 Golf (No Vanagon Content)
    Historical mailing list - Modl6971
    Wed, 6 May 1998 03:37:37 EDT
    ...This would be the third O2 for the Golf. The original O2 sensor was replaced with a 2nd O2 sensor under warranty at 47K...
  • Re: mileage decrease after tuneup?
    Historical mailing list - Tom Young
    Mon, 8 Jun 1998 10:51:51 -0700
    On Mon, 8 Jun 1998, Mark McCulley wrote: > Following a recent tuneup (plugs, rotor, cap) and O2 sensor change my > mileage has dropped almost...
  • Bogging leaving the line...
    Historical mailing list - Markus Benne
    Sat, 10 May 2003 19:45:47 -0400
    ...Is there a way to test the wires to the O2 sensor? I'm assuming the o2 sensor itself is ok. With the o2...
  • Re: HELP! FI Fuel Supply(?) Problems with 75 Westy in Phoenix
    Historical mailing list - Mike Plickys
    07 Jan 95 20:32:20 EST
    ...One thing that does not get a lot of attention is the O2 sensor and wiring. A bad O2 sensor or bad connection with...
  • Re: ECU or O2 sensor ?
    Historical mailing list - Dennis Haynes
    Wed, 1 Jun 2005 00:06:09 -0400
    More likely it is a bad O2 senor or a wiring issue. The O2 ground reference is a separate circuit. Dennis -----Original Message----- From...
  • Re(2): Rough running when Hot
    Historical mailing list
    Mon, 6 Jan 1997 19:02:29 -0500
    Hi Larry, What would be the method of determining if the O2 sensor is bad or not. I have heard that the engine will...
  • Re: O2 Sensor problem
    Historical mailing list - David Beierl
    Sun, 22 Mar 2020 13:37:02 -0400
    ...ECU ignores O2 for a bit after starting even if engine is warm enough and sensor signals ready. Temp-II OTOH acts even during...
  • Re: [Fwd: Re: Gas in Oil?]
    Historical mailing list - Sean Bartnik
    Wed, 30 Apr 97 23:27:12 EDT
    > > I hadn't either, but there is a cap on the exhaust pipe where the O2 > sensor should go. There also doesn't seem...
  • Re: Oxygen Sensor Simulator
    Historical mailing list - John Bange
    Wed, 15 Nov 2006 21:41:43 -0800
    On 11/15/06, Alistair Bell <albell@uvic.ca> wrote: > for all those O2 sensor aficionados on the list: > > > http://www.bobblick.com/techref...
  • Everything you ever wanted to know about O2 sensors
    Historical mailing list - John Rodgers
    Fri, 19 Nov 2004 17:32:32 -0600
    I found this web page about O2 sensors. It is every bit worth a read. http://www.wps.com/LPG/o2sensor.html Regards, John...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - John Rodgers
    Mon, 15 Aug 2011 00:17:49 -0500
    ...As long as it does, all is will with the O2 sensor. If not - then no ocillation. On startup and until the O2 sensor...
  • Re: O2 sensor type problem after replacing O2 sensor
    Historical mailing list - David Clarkson
    Sat, 29 Dec 2012 01:04:24 -0500
    ...O2 sensor type problem after replacing O2 sensor The O2 heater is powered by the FP relay in 1990 so it should be heating...
  • Re: O2 Sensor Voltage
    Historical mailing list - Tom Young
    Sat, 3 Feb 2001 19:01:14 -0800
    ...O2 Sensor Voltage > In other words if the fuel injection system is in proper > adjustment, you should be able to disconnect the O2 sensor...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - John Lauterbach
    Sun, 21 Aug 2011 20:18:58 -0400
    ...Am I in the ballpark? > > With O2-cable unplugged, resistance between connector and ground on cable to O2-sensor is infinite. Resistance between other...
  • Re: Gas mileage/o2 sensor 1st report
    Historical mailing list - pdooley
    Sat, 19 Apr 2008 16:42:24 -0400
    Neil, is your O2 sensor heated? Are the heater wires hooked up proper and functioning? If not, the O2 sensor won't provide accurate...
  • Re: Generic, three wire, O2 Sensor choice for digifant?
    Historical mailing list - Darrell Boehler
    Wed, 30 Jun 1999 20:30:50 -0500
    Hi Ken, I have used the 3 wire o2 sensor for 88 3.8 tarus on a 2.1L in a bind and it...
  • Re: Where's my O2 sensor - 1988 Weekender
    Historical mailing list - John Rodgers
    Wed, 24 Dec 2003 15:25:07 -0600
    ...The O2 sensor scres into the CAT. Converter. On the 84 models its in a different place. Regards, John Rodgers 88 GL Driver VWNut...
  • Re: O2 readings
    Historical mailing list - Tom Young
    Thu, 11 Sep 2003 11:42:50 -0700
    When you say you're getting those readings on the "O2 sensor with it hooked up to the ECU" I assume you mean the...
  • O2 problems
    Historical mailing list - Jason Willenbrock
    Thu, 15 Jan 2004 19:42:58 -0500
    ...O2 go so i can clean it up.&nbsp; why does it run fine without O2, and can i just run it without O2...
  • O2 sensor useful life?
    Historical mailing list - Ari Ollikainen
    Fri, 14 Aug 1998 12:17:23 -0700
    At 10:38 AM 8/14/98, Yi-Ruey Wei wrote: >A O2 sensors generally last only 30K to 60K? Then why Vanagon(88...
  • clarification of O2 sensor splicing problem
    Historical mailing list - Mark McCulley
    Mon, 8 Jun 1998 19:36:30 -0700
    I posted a message earlier today about a decrease in mileage after a tuneup and O2 sensor change. I received a number of replies...
  • Re: O2 Sensor - situation 90' 2.1 (kinda long)
    Historical mailing list - Mike Collum
    Wed, 28 Mar 2007 16:07:27 -0400
    You can purchase an O2 bung to weld into the exhaust pipe rather than just a nut. 1.9 engines have the O2 sensor...
  • o2 sensor question again sorry
    Historical mailing list - Richard Williams
    Sat, 8 Feb 2003 21:49:06 -0800
    ...From past experience, a bad o2 sensor can burn out the cat converter. Running without the o2 sensor will do the same thing. My...
  • Re: ECU Monitor
    Historical mailing list - Neil N
    Sat, 5 Oct 2013 15:54:40 -0700
    Looking at '88, '89 Vanagon electrical diagrams in Bentley, the O2 heater element grounds at engine bay. O2 body is the ground for the...
  • O2 'meter' reminder...
    Historical mailing list - Dan Houg
    Mon, 15 May 1995 08:22:47 CST6CDT
    Just a word of wisdom to those of you playing around with your O2 sensor meters... be sure to install them (the O2 sensor...
  • O2 sensors effect on power
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:22:11 -0800
    The O2 sensor is only used on engines with catalytic convertors. The pre cat Bosch fuel injection system is quite capable of giving accurate...
  • O2 sensors effect on power
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:22:11 -0800
    The O2 sensor is only used on engines with catalytic convertors. The pre cat Bosch fuel injection system is quite capable of giving accurate...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - Alistair Bell
    Mon, 15 Aug 2011 05:47:54 -0700
    ...As long as it does, all is > will with the O2 sensor. If not - then no ocillation. On startup and > until the O2 sensor...
  • O2 sensor problems
    Historical mailing list - Mark Keller
    Mon, 17 Mar 2003 09:00:05 -0800
    Greeting Listmembers, I would like to politely suggest that attempting to correct any problem with the running of the engine while leaving the O2...
  • Voltages from O2 sensor
    Historical mailing list - WVVW
    Mon, 4 Mar 2002 07:34:44 -0500
    ...When taking the voltage reading off the O2 sensor, do you: 1)leave the O2 sensor connected and take the reading from the O2...
  • Re: vanagon Digest - 21 Dec 2011 to 22 Dec 2011 - Special issue (#2011-976)
    Historical mailing list - Ken Weikel
    Thu, 22 Dec 2011 21:39:40 -0500
    ...Can O2-sensor make engine run too lean? From my own experience unplugging the O2 sensor hides many of our fuel injection problems. Not...
  • Re: Question about testing O2 sensor with digital meter
    Historical mailing list - mdrillock
    Fri, 26 Sep 2008 10:33:42 -0700
    That behavior would tend to indicate at least a partially working O2 sensor. A static test like that can't tell you very much...
  • Re: O2 sensor. How does it effect performance?
    Historical mailing list - John Rodgers
    Tue, 22 Jun 2004 21:27:11 -0500
    If your O2 sensor is bad, you will get a definite mileage improvement with a new one. You can get a generic O2 sensor...
  • FW: Inexpensive O2 Sensors - A Suggestion
    Historical mailing list - Jere & Beth Hawn
    Fri, 16 Feb 2001 17:37:00 -0800
    ...Inexpensive O2 Sensors - A Suggestion Just a few comments to the O2 sensor thread: Frank Grunthaner
  • Where's my O2 sensor - 1988 Weekender
    Historical mailing list - VWNut Hawk
    Wed, 24 Dec 2003 12:08:32 -0600
    Hey, I just noticed I don't have an O2 sensor on this 88. The exhaust pipes are different than my 84's too...
  • Generic O2 Sensors? - Are they really equivalent?
    Historical mailing list - gary hradek
    Tue, 9 Jul 2002 20:12:13 -0700
    ...Generic O2 Sensors? - Are they really equivalent? With all the talk about generic O2 sensors, maybe someone can answer something that has been puzzling...
  • Re: O2 Sensors, and harness connetion failure
    Historical mailing list - Chuck Mathis
    Tue, 6 Mar 2001 12:52:54 EST
    ...The O2 sensor doesn't control the ECU, engine, or the AFM. The O2 sensor harness, has been written up in the technical bulletins...
  • Re: O2 Sensors, and harness connetion failure
    Historical mailing list - Chuck Mathis
    Tue, 6 Mar 2001 12:52:54 EST
    ...The O2 sensor doesn't control the ECU, engine, or the AFM. The O2 sensor harness, has been written up in the technical bulletins...