← vanagon.com home · Continue the discussion in the forum

Search messages and discussions

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.

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

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...
Re: New problem (updated O2 sensor question)
Historical mailing list - Mike Collum
Tue, 30 Oct 2007 10:13:58 -0400
On my 1.9 engines, if I disconnect a working O2 sensor, the only noticeable difference is lower gas mileage. It goes from about...
Re: O2 Sensor Voltage
Historical mailing list - Mark Keller
Sat, 3 Feb 2001 16:44:42 -0700
...In other words if the fuel injection system is in proper adjustment, you should be able to disconnect the O2 sensor, and read the...
Re: How to remove O2 sensor
Historical mailing list - Dennis Jowell
Fri, 2 Oct 2015 14:56:59 -0400
...How to remove O2 sensor > > Rich > Is the thread on the O2 sensor the same as a spark plug? Looking through my > tools I...
New O2 sensor.....new problem....Please help.
Historical mailing list - Steve Cotsford
Sun, 10 Nov 2002 13:50:44 EST
...I get the impression the O2 sensor is making an adjustment somehow, that I dont like. If I disconnect the O2 sensor everything is...
Re: Post-waterpump replacement - wires and noises
Historical mailing list - Old Volks Home
Thu, 24 May 2007 21:35:42 -0700
The O2 sensor light is NOT powered by the the O2 sensor. There is a mileage counter box (called a "time box" by some...
Re: Bucking/misfire on the Freeway.
Historical mailing list - John Rodgers
Sun, 30 Jul 2006 09:23:50 -0500
Two possibilities - O2 sensor or Vanagon Syndrome. The easy one is to run it until it happens again, then stop, disconnect the O2 Sensor...
Re: Lags at low revs + BAD mileage
Historical mailing list - Tom Buese
Wed, 24 Jan 2007 08:49:37 -0700
Ditto, just went thru this same situation, installed new O2 sensor, no problema since. YMMV, Tom B.-O2 or not O2, that is the...
Re: Rusted on O2 sensor
Historical mailing list - Dennis Haynes
Wed, 24 Nov 2010 00:33:18 -0500
...Rusted on O2 sensor Hi All, I'm trying to remove my o2 sensor but it's rusted in place. I've tried quite...
Re: update on decreased mileage after tuneup problem
Historical mailing list - Tom Young
Wed, 10 Jun 1998 07:14:48 -0700
> In a message dated 98-06-09 20:11:07 EDT, raven@HALCYON.COM writes: > > O2 sensor is working and is not grounded or...
Re: O2 Red Warning Light?
Historical mailing list - David Beierl
Fri, 4 Jun 1999 17:32:41 -0400
At 13:59 6/4/99 -0700, PhamA wrote: >Hi, >I just replaced the O2 sensor on my 84 1.9L. Disappointingly, the red...
O2 Sensor Woes
Historical mailing list - Chad G
Sat, 20 Oct 2001 19:22:58 -0400
...Many people on the list pointed to the O2 sensor. It's been replaced twice in 6 months. I've noticed that the van...
O2 sensor/CO meter schematic request
Historical mailing list - Jack Reed
Thu, 12 Oct 1995 15:51:31 -0600 (MDT)
...of the O2 sensor/CO meter from the web? I don't have web access right now, only email. Thanks in advance, Jack
O2 sensor monitor gadget any one have the link,
Historical mailing list - Kevin
Wed, 24 Mar 2004 11:36:20 -0500
Hi Volks, Any body have the link for the O2 sensor monitor gadget that some one was sell. I built a new computer and...
Update-More 91 syncro troubleshoot ?'s
Historical mailing list - Nathaniel Merrill
Thu, 16 Jul 1998 09:00:24 -0700
This is an update on my O2 sensor problems. Background: Van ran great, I purchased new "splice in" Bosch O2 sensor just for good...
Re: ECU reset, O2 voltage stability
Historical mailing list - jon
Tue, 13 Feb 2007 22:41:12 -0800
...The ECU is not powered up when the power is off, so disconnecting AND reconnecting the O2 sensor with power off will not do...
Re: crazy o2 sensor prob
Historical mailing list - Matthew Pollard
Mon, 10 Feb 2003 21:00:36 -0800
...i just put in new temp sensor and o2 sensor. > > only way i can drive it normal is keeping the o2 sensor disconneted. runs...
02 sensor, help needed
Historical mailing list - Rick Sherrod (hopeless VW nut)
Sun, 14 Sep 1997 17:46:23 -0500
...O2 sensor, Help Needed Jack Ck wrote: >My O2 sensor on my 87'Wolfburg seems "stuck" I tried removing it with my >O2 sensor...
Re: O2 sensor testing
Historical mailing list - Dave Baker
Mon, 13 Jan 2003 13:47:56 -0600
...O2 sensor testing Is there a way to check if the O2 is operating under normal parameters?
Re: Oxygen Sensor Ground
Historical mailing list - Ken Lewis
Sat, 25 Mar 2006 11:49:18 -0500
Evan, There are generic O2 sensor available with grounds attached, check archives. Here is a page on sensors: http://www.wps.com/LPG/o2sensor...
Fuel injector cleaner: harm O2 sensor?
Historical mailing list - Neil N
Sun, 6 Mar 2016 10:07:44 -0800
...I'd read that an o2 sensor (references?) outside air through small holes at wires into sensor body but great detail info on that...
Re: o2 sensor didn't solve it
Historical mailing list - John Rodgers
Mon, 30 Jan 2006 09:11:32 -0600
...Third, and the most recent - it was the O2 sensor - actually a bad connection where the O2 sensor was spliced in - but the effect...
Re: How to remove O2 sensor
Historical mailing list - Richard Koller
Fri, 2 Oct 2015 09:43:06 -0400
Dennis, I had this same problem and I heated the cat at the junction where the O2 sensor screws in with MAPP gas. Then...
Re: Emissions failure Nox (the epilogue)
Historical mailing list - Loren Busch
Tue, 23 Jun 2009 17:22:10 -0700
...I looked at the cat and it has no o2 port on it. It's just a cylindrical unit with thick seams on each...
Re: O2 Sensor
Historical mailing list - Robert A. Alexander
Sat, 6 Feb 1999 14:52:52 -0500
Peter - Removed my O2 sensor last summer to replace it and used a propane torch to heat the bugger up and had no trouble...
O2 sensor function
Historical mailing list - Jfp w/2 WBXs
Wed, 27 Nov 2002 01:51:22 +0000
...The O2 sensor is a Galvanic voltage generator producing a low voltage(~0.2V)when lean and a high voltage(~0.8V) when rich...
Re: Do I need a HEATED O2 sensor?
Historical mailing list - Tom Young
Thu, 9 Sep 2004 11:49:29 -0700
...Re: [VANAGON] Do I need a HEATED O2 sensor? > As far as the original question concerning a single-wire O2 sensor. > This is what...
Re: The dreaded AFM adjustment screw
Historical mailing list - Mark Keller
Wed, 14 Feb 2007 16:00:22 -0800
...Since the O2 sensor "controls mixture" it can cover a range of off spec conditions. In order to adjust the system it must be...
Re: 83' fuel consumption is UNREAL
Historical mailing list - Booker C. Bense
Mon, 8 Jul 1996 09:58:56 -0700 (PDT)
...A bad O2 sensor will drop your mileage in half. My '84 Vanagon went from 10mpg to 19pmg when I replaced the O2 sensor...
O2 Sensor
Historical mailing list - Mark Keller
Mon, 5 Feb 2001 17:39:24 -0700
As to the O2 closed loop mode discussion, I'm not sure it really matters how often a closed loop system cycles. What I...
O2 Sensor
Historical mailing list - Bill H.
Tue, 1 Mar 2005 12:36:41 -0800
Having trouble with my engine again (88GL) and it seems to be related to the O2 sensor. It had been stalling a couple of...
Re: Inexpensive O2 Sensors - A Suggestion
Historical mailing list - George C Caldwell
Mon, 19 Feb 2001 21:15:29 -0500
Ok, I'm an idiot - I used the http://gerry.vanagon.com/cgi-bin/wa.exe?S1=vanagon page and tried bosch o2 sensor...
Exhaust Problems please help ! (UPDATE)
Historical mailing list - Shawn Luft
Wed, 14 Jul 2004 20:58:58 -0400
Ok here's an update The good news is I found the problem ! The bad news is I think I fried my o2 sensor...
Re: O2 sensor/CO meter schematic http address request
Historical mailing list - Jack Reed
Thu, 12 Oct 1995 19:54:57 -0600 (MDT)
Hi All (again), Could someone please post the address for the O2 sensor/CO meter on the list? I've gotten two requests for...
O2 Sensor Source
Historical mailing list - Mark Bowie
23 Jun 96 19:48:11 EDT
I expect I will need to replace my O2 sensor in the near future- how much should I expect to pay for one (3...
Re: Alternator and O2 Dash lights on
Historical mailing list - Rico Sapolich
Thu, 16 Aug 2001 09:32:46 EDT
In a message dated 8/16/01 9:10:37 AM, rbias@HOTMAIL.COM writes: << My O2 AND Alternator Dash lights are coming on...
Someone have the part number for the universal O2 sensor?
Historical mailing list - jesse johnson
Wed, 3 Nov 2004 17:36:33 -0500
Anyone have the bosch part number for the universal heated O2 sensor for an 89 vanagon? I have my wires that i want to...
O2 light button?
Historical mailing list - Rob
Sat, 27 Aug 2005 09:58:00 -0700
My new to me '87 has the O2 light on. Once long ago I reset it on my '86 but I can't recall...
Re: O2 Sensor - situation 90' 2.1 (kinda long)
Historical mailing list - Kenneth Lewis
Wed, 28 Mar 2007 15:35:22 -0400
...I have use a variety of O2 sensors, never noticed any difference. YMMV. Ken http://neksiwel.20m.com/
88 digifant O2 readings off
Historical mailing list - Matt Sutton
Tue, 4 Jul 2006 12:33:20 -0400
Hi folks, Preparing for NY emissions today, and have run into some weirdness with my O2 readings. Test conditions: Engine at opperating temp O2...
Re: O2 Sensor Idea (long)
Historical mailing list - dooley
Fri, 8 Sep 2006 21:23:54 -0400
The heater element in a heated O2 sensor draws high current when cold, but tapers off when hot. The accepted method is to wire...
Re: Running rich, O2 sensor says lean, exhaust leak?
Historical mailing list - Dennis Haynes
Tue, 13 Jul 2004 23:01:51 -0400
...Running rich, O2 sensor says lean, exhaust leak? Can't the O2 sensor be read with it disconnected? Might the readings be different than...
Re: Oxygen sensor coax
Historical mailing list - mark drillock
Sat, 28 Jan 2006 09:50:32 -0800
...Almost half the O2 wire run on a vanagon is unshielded anyway. The frequency of the signal is in the 1 hertz range. People...
Re: Vanagon syndrome...it sucks!
Historical mailing list - OlRivrRat
Thu, 7 Apr 2016 13:27:46 -0600
Jason If Your Cat is Good & You Know that the O2Snsr is Bad just have a Bung welded into the J-Pipe VeryNear to...
Re: Thirsty motor with low power to 2,500 rpms. What's up?
Historical mailing list - Greg Potts
Wed, 21 Oct 2009 11:26:44 -0400
Hi Greg, If the O2 sensor is feeding back bad data to the engine it's going to mess things up pretty bad. In...
Re: O2 sensor voltage test
Historical mailing list - Darrell Boehler
Thu, 14 Dec 2000 15:07:44 -0600
Hi James, It seems the afm main spring gets weak with age and can cause a rich mixture (high o2 voltage reading, poor mileage...
Re: O2 voltage when cold
Historical mailing list - Chuck Mathis
Mon, 18 Dec 2000 17:24:12 EST
Jim, My '85 (with a brand spankin' new O2 Sensor inside a sparkling new set of coated pipes) starts up showing 410mV then climbs...
1984 Vanagon O2 Sensor Removal ?
Historical mailing list - Doug Smith
Sat, 12 Sep 1998 10:24:58 EDT
Can anyone offer suggestions for getting an old, stubborn O2 sensor out so I can install a new one? I have tried WD-40...
O2 sensor wiring
Historical mailing list - jon
Mon, 6 Nov 2006 15:38:00 -0800
I have a replacement O2 sensor for my '86 Vanagon. It has two white wires, and one black wire. I am preparing to crimp...
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 or lack thereof
Historical mailing list
Wed, 7 May 1997 14:40:46 PST
...O2 sensor. >- Jeff >'80 Westi was non-CA now is CA > - - - - - - - - - >Chaz: >I am not familiar with any FI vehicles without an O2 sensor. >
Ground for O2 Sensor?
Historical mailing list - Jay L Snyder
Thu, 14 Sep 2000 10:29:00 -0400
Somebody made an interesting comment yesterday about the O2 sensor not grounding through rusty exhaust systems. Then somebody said their engine problems went away...
Thread pitch / hole size for 1.9 WBX O2 sensor
Historical mailing list - Sam Walters
Fri, 16 Feb 2007 11:35:26 -0500
...Removed O2 sensor - actually had someone do it as I couldn't get it out. Go to install a new one and find threads...
Re: 1988 vanagon
Historical mailing list - Tony Mysyk
Tue, 22 Jul 1997 20:31:23 -0600
...Monday, July 21, 1997 2:00 PM > > How long will my vanagon run with the O2 sensor disconnected?
Re: O2 Sensor Questions
Historical mailing list - Gary Stearns
Tue, 6 Mar 2001 09:24:32 -0500
...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 - Gary Stearns
Tue, 6 Mar 2001 09:24:32 -0500
...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 problems '84 1.9L -- Help needed
Historical mailing list - Scott Daniel - Turbovans
Tue, 23 Aug 2011 14:01:21 -0700
...Voltage from O2-cable > coming from engine is +0.46 volts. Again, O2-sensor is not connected. > I have tried with two different ECUs...
Re: 1/4 mile syndrome is back!
Historical mailing list - Darie Duclos
Sat, 9 Oct 1999 10:16:56 +0200
...the O2 sensor data is intermittantly wrong? Thank you for all the useful diagnostics suggestions. The most frequent and most likely were the O2...
Re: WOT switch and digitool O2 decipher Qs
Historical mailing list - joe brown
Mon, 2 Dec 2002 23:38:18 -0800
The full throttle switch at WOT bypasses the O2 sensor signal and goes to the preset ( supposed to be) slightly rich AFM base signal...
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...