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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 3+: 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: Drop in gas mileage update
    Historical mailing list - Ken Lewis
    Tue, 26 Oct 2004 11:16:32 -0400
    ...The O2 sensor was gone. However that doesn't solve the problem. Disconnected the O2 sensor. Get .54 volts. When I reconnect the sensor...
  • Re: Gas mileage/o2 sensor 1st report
    Historical mailing list - neil N
    Sat, 19 Apr 2008 13:57:41 -0700
    ...Yes it has a heated O2 sensor. Only half the exhaust is installed, so it's not installed. Only connected electrically. Of course given...
  • O2 Sensors
    Historical mailing list - Todd P. Last
    Thu, 29 Sep 2005 17:04:46 -0700
    ...Bosch brand of O2 sensors?<br> (These seem to be the only two direct-fit replacements)<br> <br> Has anyone ever heard of "retraining...
  • O2 sensor premature failure.
    Historical mailing list - Mark Keller
    Mon, 7 May 2001 21:31:20 -0800
    ...Result is a O2 sensor with soot covering it. But the real problem is not a failed O2 sensor, it may be a worn...
  • Re: O2 Sensor
    Historical mailing list - harald_nancy
    Sat, 6 Feb 1999 13:01:16 -0800
    To remove the O2 sensor: Drive the van till hot, then take a candle and stick it on the hot O2 sensor as it...
  • Running Rich??
    Historical mailing list - Warren Chapman
    Wed, 11 Apr 2001 07:57:39 -0400
    ...The 2.1L engine in a Syncro is running rich when the O2 sensor is attached. Disconnect the O2 sensor and it runs correctly...
  • Re: Drop in gas mileage update 2
    Historical mailing list - Ken Lewis
    Fri, 5 Nov 2004 12:30:44 -0500
    William, The O2 sensor kind of acts like a fuel cell(a battery is a good analogy). A voltage is produced (1 to 1...
  • 1985 O2 sensor and idle
    Historical mailing list - Ignace Speybrouck
    Fri, 6 Jul 2001 00:27:41 -0400
    ...Without an O2 sensor plugged, the engine ran just like a charm, a bit fast as far as idle is concerned, but very stable...
  • Re: Drop in gas mileage update
    Historical mailing list - Tim Demarest
    Tue, 26 Oct 2004 11:34:51 -0400
    You might also want to make sure the O2 sensor wire (and any other wires) didn't get melted to one of your exhaust...
  • Re: O2 sensor monitor gadget any one have the link,
    Historical mailing list - Ken Lewis
    Thu, 25 Mar 2004 18:58:15 -0500
    ...Ken Lewis 86 Transporter Crew Cab 60 356 T-5 Porsche http://neksiwel.20m.com/ Vanagon tech, pixs, O2 monitor gadget ----- Original Message ----- From...
  • Question about testing O2 sensor with digital meter
    Historical mailing list - Jim Felder
    Fri, 26 Sep 2008 11:37:40 -0500
    ...Was dying after first 30 seconds, overly rich like it was the O2 sensor. I replaced the O2 sensor with a good used one...
  • Re: oops, more questions on O2 sensors
    Historical mailing list - Dennis Haynes
    Mon, 6 Jun 2005 23:50:08 -0400
    Joy, I can not believe that you had a new engine installed and then sent on your way with the O2 sensor disconnected. Yes...
  • Rich Van $$$
    Historical mailing list - The Martins
    Fri, 27 Feb 1998 16:38:07 -0600
    When I bought my 85 Vanagon, the O2 sensor was disconnected. I reconnected it and found that it ran too rich so I bought...
  • Re: 87' syncro runs rough when cold
    Historical mailing list - Malcolm Holser
    Sat, 26 Sep 1998 15:21:56 -0700
    If unplugging the O2 sensor helps, then it is either suspect or you have a different problem (that sounds stupid, doesn't it?). If...
  • Re: Help diagnose POSSESSED 2.1L Vanagon engine
    Historical mailing list - John Haddad
    Fri, 18 Apr 2003 08:22:47 -0400
    For O2 weirdness, I would check both the O2 sensor wiring and the ground for it (Ground Point 18 or GP18). For the sensor...
  • Re: '85 Oxygen sensor, 0.1volts
    Historical mailing list - Daniel L. Katz
    Mon, 8 Oct 2007 22:45:22 -0400
    ...steady bright o2 light is actuated by mileage counter and has nothing to do with sensor operation; it is a reminder to check or...
  • Re: O2 readings
    Historical mailing list - Chad Morris
    Thu, 11 Sep 2003 15:35:05 -0600
    ...O2 readings > > > > > > > When you say you're getting those readings on the "O2 sensor with it > > hooked > > > up to the ECU" I assume you...
  • Re: O2 sensor testing the wires...
    Historical mailing list - Jeff Lincoln
    Tue, 3 Apr 2007 12:43:23 -0500
    ...the references > to the O2 sensor. > > How does one check these wires? > > VOM from the connector on the O2 out to the connector on...
  • O2 sensor testing
    Historical mailing list - Alan Gondry
    Mon, 13 Jan 2003 10:18:21 -0800
    Is there a way to check if the O2 is operating under normal parameters?
  • Re: Gas Mileage Improvements?
    Historical mailing list - Loren Busch
    Tue, 20 Jul 2010 21:36:33 -0700
    ...When, for a couple of days on a four years ago, I had to >> drive with the O2 sensor disconnected, I got about 13...
  • More O2 Sensor confusion...
    Historical mailing list - Chad
    Mon, 5 Mar 2001 23:57:38 -0400
    I originally asked the question about the O2 sensors today and how my crappy idle and hesitation disappeared when I disconnected my O2 sensor...
  • More O2 Sensor confusion...
    Historical mailing list - Chad
    Mon, 5 Mar 2001 23:57:38 -0400
    I originally asked the question about the O2 sensors today and how my crappy idle and hesitation disappeared when I disconnected my O2 sensor...
  • CIS-E FUEL INJECTION BAD O2 sensor TEST , LVC
    Historical mailing list - Eric Zeno
    Wed, 14 Jul 2004 10:49:08 -0400
    ...Anyone know what symtoms a bad O2 sensor in this system would cause? I put an digital volt measer on the O2 sensor and...
  • O2 Sensor - 3-wire vs 1-wire
    Historical mailing list - John Rodgers
    Sat, 21 Jan 2006 11:19:50 -0600
    ...My newly installed 3-wire O2 sensor apparently has an internal fault. I have a brand-new-in-the-box 1-wire O2 sensor...
  • Re: Drop in gas mileage update 2
    Historical mailing list - Jason Kirk
    Fri, 5 Nov 2004 10:12:07 -0800
    Is it possible to clean an O2 sensor to make it functional again? Jason > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon...
  • Re: idle fuel calculations
    Historical mailing list - Richard A Jones
    Sun, 25 Nov 2007 21:23:26 -0700
    ...injectors or O2 sensor, the O2 sensor is > not used by the ECU at idle. This is why the CO adjustment on the AFM...
  • O2 sensor
    Historical mailing list - David Cooper
    Thu, 15 Feb 2001 21:04:51 EST
    Where is the O2 sensor indicator light located on a 90 instrument cluster? Coop [text/html]
  • Re: O2 Sensor Idea (long)
    Historical mailing list - Old Volks Home
    Thu, 7 Sep 2006 17:24:31 -0700
    Lyle - Vanagons didn't go to a heated, 3 Wire O2 sensor until 1986 when Digifant FI was introduced. Your 85 is a Digijet...
  • Oxygen sensor question.
    Historical mailing list - Don Hanson
    Mon, 8 Sep 2014 08:19:54 -0700
    ...I understand, perhaps mistakenly, that this sleeve is there to allow ambient atmosphere to get into the top of the O2 sensor and somehow...
  • Re: Hesitation on 87 Vanagon O2 sensor? reply
    Historical mailing list - Michael Modl
    Fri, 7 Aug 1998 00:37:21 EDT
    ...With O2 sensor unhooked from the computer the engine will accelerate fine under load (AC compressor on).With the sensor hooked up the engine...
  • Re: running problems, 2.1
    Historical mailing list - John Bange
    Wed, 18 Jan 2006 19:44:37 -0800
    > when you disconnect the O2, sensor I figure the voltage output goes to > zero. > How does the Fuel injection treat this output? ECU defaults...
  • O2 sensor, Help Needed
    Historical mailing list - Jack Ck
    Sat, 13 Sep 1997 23:58:06 -0700
    Howdy, My O2 sensor on my 87'Wolfburg seems "stuck" I tried removing it with my O2 sensor socket and a 3/8rachet but...
  • O2 Sensor Location '85 Westy
    Historical mailing list - MMunn
    Wed, 8 Jan 2003 22:54:30 -0800
    ...an O2 sensor. To my complete surprise, I was asked "does you van have one or two?". So, van-meisters, should I expect to...
  • O2 sensor clarications
    Historical mailing list - Mark Keller
    Sun, 4 Feb 2001 13:38:21 -0700
    ...The ECM does not need the O2 sensor in order to set a fuel mixture that is adequate. The O2 sensor, in my opinion...
  • O2 sensor, 2.1L
    Historical mailing list
    Mon, 17 Mar 1997 11:30:21 -0600
    Greetings list, I am replacing the O2 sensor in my 91. Several people have mentioned using a "generic" three-wire sensor ($30-50) instead...
  • Re: O2 SENSOR IDIOT LIGHT
    Historical mailing list
    Thu, 17 Apr 1997 02:03:20 -0400 (EDT)
    In a message dated 97-04-15 05:31:08 EDT, PKirsch461@aol.com writes: > The O2 light came on on my 85 van...
  • Re: oxs light came on
    Historical mailing list - Rob
    Sun, 7 Dec 2008 13:50:31 -0800
    At 12/7/2008 12:26 PM, John Rodgers wrote: >The O2 Sensor in the exhaust system, and the OX light in the panel...
  • Re: O2 Sensor - situation 90' 2.1 (kinda long)
    Historical mailing list - Matt Roberds
    Wed, 28 Mar 2007 18:59:12 -0500
    ...Wed, 28 Mar 2007 11:09:37 -0500 > > I'm guessing the lack of an O2 sensor is contributing to my poor > running. (runs...
  • Re: O2-sensor voltage problems '84 1.9L -- Help needed
    Historical mailing list - jhlauterbach
    Tue, 23 Aug 2011 10:02:31 -0700
    ...Voltage from O2-sensor is zero, even after engine warms up. Time to order another O2-sensor and see if it will last longer...
  • Re: Engine o2 out of spec
    Historical mailing list - Tom Young
    Fri, 10 Nov 2000 08:33:38 -0800
    ...Since the O2 sensor is a form of battery that puts out voltage in response to the ratio of O2 in the exhaust to...
  • O2 Sensor
    Historical mailing list - James E. Ferree
    Wed, 20 Dec 1995 14:18:32 -0500
    Hello, I put in a new O2 sensor in my van because the wire had come loose on the one that was in there...
  • PLEASE help with O2 sensor
    Historical mailing list - S. Marie Arnold
    Sun, 5 Aug 2001 11:53:53 EDT
    Could someone please help me with this O2 censor???? I need to know what the wires on the van are (by color code). Please...
  • O2 sensor and CO adjustment
    Historical mailing list - Mark McCulley
    Wed, 13 May 1998 09:35:48 -0700
    Should you set the CO (mixture) adjustment after installing a new O2 sensor? Mark McCulley
  • Re: crazy o2 sensor prob
    Historical mailing list - Hans Brouwer
    Mon, 10 Feb 2003 22:50:14 -0500
    Perhaps an ECU problem of not being able to process O2 sensor signal. This topic came up a couple of months ago and one...
  • Re: 87 2.1 dies after 30 seconds
    Historical mailing list - Kevin Duvernay
    Sun, 1 Mar 2015 15:53:05 -0600
    ...With a > cold engine the O2 circuit is inactive until the engine warms up. > > If it is related to the O2 sensor circuit it...
  • Re: More O2 Sensor confusion...
    Historical mailing list - Schmidt
    Tue, 6 Mar 2001 06:52:33 -0500
    ...ARGH! >I originally asked the question about the O2 sensors today and how my crappy >idle and hesitation disappeared when I disconnected my O2...
  • Re: More O2 Sensor confusion...
    Historical mailing list - Schmidt
    Tue, 6 Mar 2001 06:52:33 -0500
    ...ARGH! >I originally asked the question about the O2 sensors today and how my crappy >idle and hesitation disappeared when I disconnected my O2...
  • Re: Cat Bypass Pipe "pros & cons"
    Historical mailing list - Richard A Jones
    Thu, 16 Apr 2015 22:00:38 -0600
    Dan N <dn92610@GMAIL.COM> wrote: > I have hear that without the CAT the O2 sensor won't work correctly because > of lack of...
  • Re: Help Wiring O2 Sensor
    Historical mailing list - mark drillock
    Sun, 27 Apr 2003 10:58:23 -0700
    ...Mark Steve Delanty wrote: > .... > A 4-wire O2 sensor, with the ground connected to the same location > as the ECU ground would eliminate O2...
  • Re: O2 Sensor in Catalytic Converter - Correct model for each FI system ?
    Historical mailing list - Mike Collum
    Mon, 25 Apr 2005 14:55:27 -0400
    ...Would there be anything wrong with putting the O2 sensor in the cat on a 1.9? Sometimes the old O2 sensor is so...
  • oops, more questions on O2 sensors
    Historical mailing list - Joy Hecht
    Mon, 6 Jun 2005 21:16:53 -0600
    I studied the busdepot O2 sensor options after I sent my previous email, and realized that the difference in price is not OE vs...
  • Re: Do I need a HEATED O2 sensor?
    Historical mailing list - Aerowolf
    Wed, 8 Sep 2004 14:29:16 -0500
    ...Do I need a HEATED O2 sensor? > > > > If you have a water-cooled catalytic converter [which, by the > > way, is probably a bad idea...
  • Re: O2 Sensor problem
    Historical mailing list - mccullough bob
    Sun, 22 Mar 2020 12:45:44 -0500
    ...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: O2 sensors brand quality difference?
    Historical mailing list - Project Pat
    Fri, 25 Jul 2014 13:52:11 -0400
    ...O2 sensors brand quality difference? I am replacing what's almost surely a failing O2 sensor in my inline VW motored van and I...
  • Gas mileage/o2 sensor 1st report
    Historical mailing list - Mike Miller
    Sat, 19 Apr 2008 09:44:18 -0700
    My all above average fellow van owners, After replacing the Bosche O2 sensor with a Walker the first tank of gas [84 miles with...
  • Re: Inexpensive O2 Sensors - A Suggestion
    Historical mailing list - Frank Grunthaner
    Tue, 20 Feb 2001 02:43:48 EST
    ...O2 sensor signal - ?, to Green Harness Heater + - ?, to Yellow/Black Harness Heater - - ?, to Brown for ground wire on Harness Shield wire color - Black O2...
  • Re: '86 still running rich
    Historical mailing list - Joshua Van Tol
    Wed, 9 Dec 1998 19:22:16 -0600
    >> The O2 sensor is not working correctly. It shows an >> erratic output ranging from 0.3 volts to 1.8 volts. The readings don...
  • Re: O2 sensor in gutted cat question
    Historical mailing list - Dennis Haynes
    Wed, 23 Sep 2009 23:44:21 -0400
    The O2 sensor should work fine either way. What is more important is to have the clip on shield in place to keep off...
  • Re: Do I just cut the wire from the O2 sensor?
    Historical mailing list - Robert Keezer
    Sun, 17 May 2009 16:09:55 -0700
    ...If the O2 wears out, it doesn't cause this. Only if the O2 has a internal short will it cause the engine to...
  • Re: O2 Sensor Idea (long)
    Historical mailing list - Marion Lathem
    Thu, 7 Sep 2006 19:15:35 -0500
    Darrell, Thank you for the information in the O2 sensor. I'm curious though, mine ( 1985 Vanagon GL 1.9 WBX ) the O2 sensor...