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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 8+: 60 results shown for O2 sensor.

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

  • Re: Catalytic convertor
    Historical mailing list - Keith Adams
    Tue, 23 Jan 2001 11:38:12 -0700
    ...The > >O2 sensor is (as was mentioned) in the cat on the 2.1 > > I don't think this is true. The lambda sensor...
  • Re: 1.9 L engine 10mpg
    Historical mailing list - Craig Oda
    Fri, 10 Dec 2004 13:07:41 -0800
    Your O2 sensor might be clogged up, resulting in a lean reading to your ECU. Try disconnecting your O2 sensor wire from the ECU...
  • Re: O2 Sensor Voltage
    Historical mailing list - David Beierl
    Sun, 4 Feb 2001 03:40:21 -0500
    ...Doesn't "open loop" mean the ECU isn't >receiving a signal from the O2 sensor, and operating in its "default" >mode? Once the...
  • Ground for o2 sensor and ECU
    Historical mailing list - Todd Last
    Fri, 27 Apr 2007 16:30:52 +0000
    Does it make any sence to have the O2 sensor, ECU and any other critical sensor gounds all ground at the same point? Or...
  • Re: O2 sensor voltage test
    Historical mailing list - Darrell Boehler
    Thu, 14 Dec 2000 15:07:44 -0600
    ...If you have one with no o2 sensor use an exhaust sniffer or install an o2 sensor in one of the j pipes. If...
  • RE: Oxygen Sensor
    Historical mailing list - Erik Rhodes
    Wed, 13 Aug 1997 16:30:55 -0700
    ...Is this right? Putting in a new one > > hasn't affected engine running or anything, just what does this > sensor > > do? > > The O2 sensor...
  • Re: O2 sensor question
    Historical mailing list
    Fri, 6 Jun 1997 08:17:32 PST
    ...I have a dash mounted LED (O2 sensor) monitor. I have NEVER seen the system go into open loop once it reaches operating temperature...
  • Re: Bosch generic o2 sensor
    Historical mailing list - Steve Cotsford
    Mon, 15 Apr 2002 21:11:22 EDT
    I noticed this evening that Zygmunt has generic Bosch O2 sensors for $18.90, at least for my van ......'84 If you are interested...
  • Re: O2 Sensor - 3-wire vs 1-wire
    Historical mailing list - Mike Collum
    Sat, 21 Jan 2006 12:31:32 -0500
    ...3-wire O2 sensor apparently has an internal fault. > > I have a brand-new-in-the-box 1-wire O2 sensor. > > Thanks, > > John Rodgers...
  • Re: Another question about O2 sensors..
    Historical mailing list - mark drillock
    Wed, 30 Jul 2014 14:07:17 -0700
    ...Because VW used different variations of that 4 pin O2 sensor wiring there is no guarantee that what you had before was right either...
  • Re: Generic O2 Sensor Clarification
    Historical mailing list - Mark Keller
    Wed, 10 Jul 2002 07:41:13 -0700
    The Beck Arnely number below is for the heated, three wire, O2 sensor. I didn't correctly read the post as the request was...
  • Re: O2 Sensor Questions
    Historical mailing list - DAN WILKIN
    Mon, 5 Mar 2001 17:10:50 -0800
    ...I then disconnected the O2 sensor and all is well again. Could it in fact be a screwed O2 sensor or the wire that...
  • Re: O2 Sensor Questions
    Historical mailing list - DAN WILKIN
    Mon, 5 Mar 2001 17:10:50 -0800
    ...I then disconnected the O2 sensor and all is well again. Could it in fact be a screwed O2 sensor or the wire that...
  • Re: o2 sensor voltage
    Historical mailing list - Dennis
    Tue, 3 Apr 2007 22:29:57 -0400
    If the engine is rich enough to be a noticeable problem, the O2 sensor output should be 1 volt or more. To quickly check...
  • PLEASE help with O2 sensor
    Historical mailing list - S. Marie Arnold
    Sun, 5 Aug 2001 11:53:53 EDT
    ...to the gallon and I had to spray sealer on the O2 sensor to get it to run in the rain. PLEASE HELP! Thanks...
  • Re: Generic O2 sensor installation
    Historical mailing list - The Bus Depot
    Wed, 9 Nov 2005 21:35:47 -0500
    > I am ready to install a new O2 sensor in my van, and it is a > Bosch single wire type. Can anyone tell me...
  • Re: Help Wiring O2 Sensor
    Historical mailing list - Steve Delanty
    Sun, 27 Apr 2003 13:36:42 -0700
    At 01:26 PM 4/27/2003, you wrote: >Do these Chrysler units fit the threads in the Vanagon catalytic converters? Most O2 sensors...
  • Re: Question about temp II sensor and bad running
    Historical mailing list - mdrillock
    Thu, 11 Sep 2008 14:32:52 -0700
    Zero volts shows a bad sensor, assuming proper measurement setup. Replacing the o2 sensor is the logical step now. Then you need to wonder...
  • Re: Cat / O2 Sensor Removal
    Historical mailing list - John Rodgers
    Mon, 5 May 2008 21:51:10 -0500
    Ya gotta keep the cat and the O2 sensor. Remove the O2 sensor and your wallet will hate you because it will no longer...
  • Re: O2 sensor outlet in new CAT, size?
    Historical mailing list - BJ Feddish
    Tue, 26 Jun 2007 17:24:31 -0400
    ...I just threw an old 02 sensor in there. (Only Vanagon owners would have an old O2 sensor in their toolbox.) The van is...
  • Wet weather cut out/ 02 sensor removal
    Historical mailing list - Dave Engstrom
    Tue, 11 May 2004 17:01:52 EDT
    ...All advice pointed to the o2 sensor. After close examination I found 2 of 3 wires severed right at the oxygen sensor. Now any...
  • Re: Heh -- I'm such a ninnyhammer
    Historical mailing list - Mike Collum
    Sun, 3 Aug 2008 20:41:58 -0400
    When I had the old (210,000 mile) 1.9, in my '85, it would run smooth and feel normal with the O2 sensor...
  • Re: Loss of Power after carwash
    Historical mailing list - Chris S
    Tue, 7 Apr 2009 08:39:41 -0400
    Exhaust sounds throaty after car wash? Check for cracks while you're looking at the O2 sensor. Cracks ahead of the sensor can cause...
  • O2 Sensor '85 vanagon
    Historical mailing list - Psychic Trucker
    Sun, 15 Sep 1996 15:34:08 +0600
    Hello everyone, could someone please tell me how to turn off the O2 sensor, or at least direct me to the page in the...
  • O2 sensor thread size? Helicoil kit part number?
    Historical mailing list - jesse johnson
    Wed, 13 Oct 2004 19:14:51 -0400
    Is the O2 sensor thread size M18 1.5? If so.. anyone know the helicoil kit part number to tap this out and put...
  • Re: Someone have the part number for the universal O2 sensor?
    Historical mailing list - Jim Thompson
    Sun, 7 Nov 2004 19:21:19 -0800
    ...Someone have the part number for the universal O2 sensor? > > > > Anyone have the bosch part number for the universal heated O2 sensor > > for an...
  • 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 Disconnected=better mpg???
    Historical mailing list - Matthew Pollard
    Fri, 26 Oct 2001 10:45:42 -0700
    So you o2 sensor is new. You didn't use any antisieze compounds on the threads when you turned it in? You didn't...
  • Re: Vanagon O2 Sensors
    Historical mailing list - Yi-Ruey Wei
    Wed, 15 Jul 1998 11:47:55 -0500
    Good news! You can get a stock Bosch O2 sensor at German Parts & Restoration (1-800-321-5432) for $118 + shipping. Just talk to...
  • Removing Oxygen Sensor tips needed, broken O2 sensor cause backfire?
    Historical mailing list - Travers Fenton
    Mon, 22 Sep 2003 19:55:42 -0700
    ...Would an unconnected O2 sensor lead to backfiring and trouble starting? I'm guessing the O2 sensor measures the oxygen in the exhaust and...
  • Re: OXS sensor light question
    Historical mailing list - Loren Busch
    Fri, 16 Jul 2010 08:32:21 -0700
    ...O2 sensor went from 30k miles to 90k miles and the Feds weren't as paranoid about it, they'd found that the O2...
  • Re: More O2 Sensor confusion...
    Historical mailing list - Mark Ingalls
    Tue, 6 Mar 2001 07:41:20 -0600
    ...More O2 Sensor confusion... >Date: Mon, 5 Mar 2001 23:57:38 -0400 > >I originally asked the question about the O2 sensors today and...
  • Another question about O2 sensors..
    Historical mailing list - Don Hanson
    Tue, 29 Jul 2014 20:45:06 -0700
    ...With lots of list help, I am pretty sure there was an issue with the O2 sensor, so I un plugged it and I...
  • Re: Help one Vanagon owner, please
    Historical mailing list - Zoltan Kuthy
    Sat, 10 May 2008 08:42:36 -0700
    ...This will force the system open loop, ignoring the o2 sensor. > > If that works, there's some o2 sensor and/or ground problem. > > If...
  • Re: Running rich, O2 sensor says lean, exhaust leak?
    Historical mailing list - Gary McEachern
    Tue, 13 Jul 2004 18:14:45 -0400
    Can't the O2 sensor be read with it disconnected? Might the readings be different than with it connected? Could the problems be elsewhere...
  • Re: O2 sensors revisited (short)
    Historical mailing list - Kenneth Lewis
    Mon, 11 Sep 2006 19:35:36 -0400
    ...I do not believe a new O2 sensor is going to fix your cold running van. Sounds like you need a thermostat instead. Ken...
  • Re: 1.9 L engine 10mpg
    Historical mailing list - Jeffrey Schwaia
    Sun, 12 Dec 2004 12:05:35 -0800
    ...I have seen many O2 sensors cause extreme rich conditions. Easiest way to diagnose this is to unplug the O2 sensor and drive the...
  • Re: tested Oxygen Sensor, and...
    Historical mailing list - Dennis Haynes
    Fri, 16 May 2008 23:23:17 -0400
    It should be! The O2 sensor should almost always be in control after the engine is warmed up. The mixture is enriched for full...
  • O2 Sensor, Bucking etc.
    Historical mailing list - Gary Stearns
    Thu, 2 Nov 2000 07:50:30 -0500
    ...Last night I removed our O2 sensor and did a little test. I brought it inside, connected it to a digital mult-meter and...
  • Re: O2 Sensor Readout
    Historical mailing list - Dennis Haynes
    Wed, 13 Nov 2002 19:19:46 -0500
    ...O2 Sensor Readout I am thinking about running two wires to the front to a digital voltmeter from the O2 sensor. If I looped...
  • Running rich, O2 sensor says lean, exhaust leak?
    Historical mailing list - Craig Oda
    Tue, 13 Jul 2004 10:38:14 -0700
    ...I've got a voltmeter hooked up to the O2 sensor and the voltage was measuring consistently lean, despite the obvious signs of the...
  • Re: Inconsistent stumbling on resume throttle. Was "vanagon syndrome?"
    Historical mailing list - Dennis Haynes
    Wed, 25 Jun 2014 16:49:48 -0400
    ...I am first going to change the O2 sensor and the Temp II sensor, see if that does it... Anyone have any comments? On...
  • Re: Removing stuck O2 sensor
    Historical mailing list - Stuart MacMillan
    Sun, 1 Feb 2015 20:04:18 -0800
    ...Without the cat you may not need the O2 sensor. The O2 sensor is there to make the cat do its job. Dennis -----Original...
  • Re: O2 sensor in gutted cat question
    Historical mailing list - Alistair Bell
    Wed, 23 Sep 2009 23:01:49 -0700
    ...O2 sensor in gutted cat question hi, it was suggested to me that the O2 sensor in the stock position in a 2.1...
  • Re: HELP 90 bucking
    Historical mailing list - John Rodgers
    Wed, 3 Nov 1999 12:35:43 -0600
    In the event you haven't resolved this yet, try warming the engine up, then disconnect the O2 sensor. Next drive it some. With...
  • Re: o2 Sensor on 2.1L
    Historical mailing list - Dennis Haynes
    Mon, 8 Aug 2005 17:50:55 -0400
    ...o2 Sensor on 2.1L OK Dennis, but if the green wire is sheilded and grounded through that sheilding, then how do I get...
  • RE: O2 sensors, setting air mixture
    Historical mailing list
    Mon, 21 Nov 94 13:37:22 EST
    On a makeshift O2 sensor and the purpose of the sensor etc etc: There was very lengthy FAQ on exactly this question...on rec...
  • Temp II again
    Historical mailing list - Jay L Snyder
    Fri, 27 Oct 2000 12:46:59 -0400
    ...Digijet.) Can I run with O2 sensor disconnected? I undertand this will keep the ECU in open loop control (ignores "faulty" O2 sensor). Jay
  • Re: Question about temp II sensor and bad running
    Historical mailing list - Jeff
    Thu, 11 Sep 2008 12:47:50 -0700
    Jim, O2 sensor does make sense. I had the same thing happen on two different Vanagons (one of them was Karl Wolz's). We...
  • Re: O2-sensor voltage problems '84 1.9L -- Help needed
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 23 Aug 2011 14:01:21 -0700
    ...O2-sensor voltage problems '84 1.9L -- Help needed > Here are the details. O2-sensor not connected. Voltage from O2-cable > coming from engine...
  • Re: Tii Trading Co. 2.0 South African conversion kit
    Historical mailing list - Dave Bayer
    Sun, 6 Feb 2000 12:57:59 -0800
    ...The O2 sensor is > mounted in the cat in most Vanagons. ahh, but does the ECU use the O2 sensor? dave
  • Re: O2 sensor output voltage test
    Historical mailing list - Tom Young
    Sun, 13 Jul 2003 15:25:11 -0700
    ...Looking at the output of a working O2 sensor on a properly-tuned engine you'll typically see very rapid fluctuations above and below...
  • Re: Passing through creek, engine misses badly
    Historical mailing list - Tim Vogelin
    Mon, 5 Mar 2001 10:45:43 -0500
    ...It ended up being the Oxygen Sensor in the exhaust. To check this, one morning disconnect the wire to the O2 sensor and see...
  • Re: Removing stuck O2 sensor
    Historical mailing list - Dennis Haynes
    Mon, 2 Feb 2015 18:08:39 -0500
    ...Removing stuck O2 sensor Stuart, Have you used a voltmeter to check the O2 sensor while the engine is running? Even if your DVM...
  • Re: Removing stuck O2 sensor
    Historical mailing list - Larry Alofs
    Mon, 2 Feb 2015 08:23:23 -0500
    Stuart, Have you used a voltmeter to check the O2 sensor while the engine is running? Even if your DVM isn't fast enough...
  • Re: Using O2 sensor for fuel mix adjustment?
    Historical mailing list - Tom Young
    Mon, 13 Oct 1997 13:34:59 -0700
    On Mon, 13 Oct 1997, Johan Nyberg wrote: > Listees! > > I've seen references to using the O2 sensor present in some Wasserboxer > vans to...
  • O2 Sensor
    Historical mailing list - TWessner
    Sat, 6 Feb 1999 10:28:42 -0600
    Hi Guys! I'm in the process of changing my O2 sensor on my 84 Westy. The old sensor seems to have become severely...
  • Removing Oxygen Sensor tips needed, broken O2 sensor cause backfire?
    Historical mailing list - Andy Morse
    Tue, 23 Sep 2003 08:25:11 EDT
    I've been struggling with O2 sensor, I used heat, rust free stuff, a chisel and stopped short of a dremel..ain't no...
  • Re: 1991 Vanagon sputters and blows black smoke on highway.
    Historical mailing list - Jere Hawn
    Wed, 2 Jul 2003 21:15:01 -0700
    Hi All, The below method is a perfect way to check if the problem is the O2 sensor, but do this check while you...
  • o2 sensor troubles
    Historical mailing list - Christopher Gronski
    Wed, 2 Aug 2006 20:10:54 -0400
    ...I pulled the lead off the o2 sensor and the voltage does not change no matter what the throttle position. I assume I need...