Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 5+: 60 results shown for Idle Stabilizer.

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

  • Re: [Fwd: high idle]
    Historical mailing list
    Wed, 26 Nov 1997 02:25:03 -0500
    ...More likely the Idle Stabilizer Control Valve - a cylindrical shaped thing with both hosed and wires attached to it, which sits roughly at the...
  • 87 Westi, Idle problems...
    Historical mailing list - Don Record
    Mon, 14 Aug 2000 05:51:12 EDT
    ...When I clamp the hose from the Idle stabilizer valve the idle speed reduces somewhat. Any clues on the best way to trouble shoot...
  • Idler Stabilizer Control Unit (ISCU)
    Historical mailing list
    Fri, 10 Nov 1995 11:45:16 -0500
    Anyone, I've tested my idler stabilizer valve on my 87 Westy and it has continuity, yet it does not buzz. Checking the book...
  • 84 vanagon hunting
    Historical mailing list - Tim Vogelin
    Fri, 12 Feb 1999 19:01:11 -0600
    ...It could be the idle stabilizer. The bentley explains how to check that very easily. You disconnect the two plug that go to it...
  • Re: idle surge diagnosis?
    Historical mailing list - Lawrence Johnson
    Mon, 26 Oct 1998 15:14:44 -0500
    ...The standard mantra was get a new Idle Stabilizer Control Unit or Idle Stabilizer Valve or both. IMHO This procedure should be written up...
  • Re: Idle Speed Adjustment - 1988 GL
    Historical mailing list - David Bogle / Architecture
    Mon, 12 Oct 1998 10:53:42 -0400
    ...Seems simple enough from > >> the picture, but it eludes me. > >> > It is on the end of the idle stabilizer control valve (the solenoid air...
  • Re: Idle Stabilization parts Costs
    Historical mailing list - David Beierl
    Thu, 24 Feb 2011 13:16:27 -0500
    ...I find I >apparently will need an idle stabilizer valve and the idle stabilizer >control box that goes in front of the right hand...
  • Re: hunting idle when cold
    Historical mailing list - Gary Shea
    Wed, 8 Jul 1998 11:37:21 -0600
    ...and warm idle is rock solid arounf 800-900 rpm. > > is this indicative of idle stabilizer or would a bum stabilizer show up > all...
  • Engine idle races in traffic
    Historical mailing list - Gary McEachern
    Mon, 7 Aug 2000 11:50:51 EDT
    ...Is this a common symptom of a known problem? I suspect the idle stabilizer valve, idle stabilizer control or possibly the T2 sender. Any...
  • Surging Idle fixed! / High O2 sensor readings
    Historical mailing list - Gary McEachern
    Mon, 10 Jan 2000 00:12:55 EST
    ...2.) The idle stabilizer control unit was bad. I disconnected the input to the stabilizer and the idle smoothed out noticeably. I exchanged the...
  • Idle Stabilizer
    Historical mailing list - John Clavin
    Tue, 18 Sep 2001 17:54:59 -0500
    ...When leaving work today, I had another episode of not-starting and decided to bypass the idle stabilizer. Not only did the vanagon start...
  • Re: idle stabilizer valve
    Historical mailing list - Dennis Lockwood
    Mon, 12 Feb 2001 22:26:53 EST
    Gang, What type of signal does the idle control relay send to the idle stabilizer valve? Is it a current signal? Is it a...
  • Re: How long does it take your Vanagon to warm up?
    Historical mailing list - Germain
    Wed, 20 Apr 2005 07:30:49 -0400
    James Remove your ISCU (Idle Stabilizer Control Unit) located behind the right tail light. Open it and check if the power transistor ( small black...
  • Re: Troubleshooting the Basic Idle Stabilizer System - Manual Transmissions- Part I
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 25 Mar 2009 23:29:47 -0700
    ...Troubleshooting the Basic Idle Stabilizer System - Manual Transmissions- Part I > This is long, but for the record and the archives, so please bear with...
  • Re: Passed inspection...Now idle is messed up.
    Historical mailing list - S_J_ WACKER
    Fri, 3 Jul 1998 04:22:56 -0700
    ...You can check the idle stabilizer by removing it with the ignition OFF, then start the van, it will not idle when cold, but...
  • still rough idle
    Historical mailing list - Matthew Pollard
    Fri, 3 Mar 2000 08:21:34 -0800
    Still rough idle. I replaced the oxygen sensor and removed the idle stabilizer and it still runs choppy. I though i had the problem...
  • Re: Smooth idle
    Historical mailing list
    Tue, 9 May 2000 11:57:25 EDT
    It is probably the idle stabilizer unit. I sell these for $24 and they are often bad. This unit can be found on the...
  • idle stabilizer control unit.
    Historical mailing list - S_J_ WACKER
    Fri, 11 Jun 1999 16:14:01 -0700
    ...I'm looking for a idle stabilizer control unit (the one behind the right tail light) for my 86 Syncro. Anybody have one from...
  • Re: re. O2 sensor output voltage
    Historical mailing list - David Beierl
    Sun, 12 Nov 2000 16:39:35 -0500
    In the Digijet system the idle stabilizer changes ignition timing to keep speed (roughly) constant -- in the Digifant there is a variable auxiliary air...
  • Troubleshooting the Basic Idle Stabilizer System - Manual Transmissions- Part I
    Historical mailing list - John Rodgers
    Thu, 26 Mar 2009 00:58:29 -0500
    ...a) At operating temperature 1) Throttle Switch 2) Idle stabilizer system 3) Evaporative Emissions System *2) page 115 *NOTE !!* This procedure is for vehicles...
  • Re: Fast idle Vanagon 1991
    Historical mailing list - Bob
    Tue, 7 Nov 1995 13:39:17 -0500
    ...If you're lucky like me, VW put a $94 idle stabilizer on your vehicle, too. When my '91 Jetta is hot it idles...
  • Re: Idle problem on deceleration
    Historical mailing list - lauterba
    Thu, 11 Dec 2003 21:56:27 -0500
    If everything else is correctly adjusted and working properly, bypass the digital idle stabilizer. If problem goes away, then you need new idle stabilizer...
  • Re: Idle stabilizer
    Historical mailing list
    Thu, 10 Jan 2002 14:02:01 EST
    actually it sounds like the ISCU (Idle Stabilizer control unit) is actually your problem. These units go bad alot and looking at them isn...
  • Re: Vanagon Bucking Syndrome
    Historical mailing list - Karl Wolz
    Mon, 14 May 2001 08:25:08 -0700
    ...This was especially bad on a > downhill grade. > > I have followed your suggestion of checking the Idle Stabilizer Valve > and the Idle Stabilizer Control...
  • Reference to Audi Idle Stabilizer
    Historical mailing list - John-Reed Maffeo
    Thu, 6 Jan 2000 16:59:42 -0700
    FWIW http://www.uvm.edu/~avangerb/Audi/Idle.html John-Reed Maffeo '86 Syncro - Glacie Mesa, AZ
  • 86-Idle Stabilization Question
    Historical mailing list - William S. Brown Jr.
    Thu, 21 Sep 2000 18:30:12 -0800
    How can I determine if an idle problem is the idle stabilizer control unit, or the idle stabilization control valve? With both plugged in...
  • Re: Idle Stabilizer Unit Placement
    Historical mailing list - David Beierl
    Tue, 24 Mar 2020 18:27:45 -0400
    ...replaced my idle air control valve, but > noticed the idle is still not performing correctly. > > He wants to install an idle stabilizer control unit...
  • Re: idle stabilizer
    Historical mailing list - Mike Collum
    Fri, 26 Jan 2007 16:49:51 -0500
    ...Mike Stainbrook wrote: > trying to remove connections from the idle stabilizer,squeeze to release,I > can't get them to release. so,before I...
  • Re: Bad Idle Stabilizer?
    Historical mailing list - Randy Huyck
    Thu, 29 Jan 2004 17:15:18 -0800
    As I read my Digifant ProTraining manual, the idle stabilizer is to be checked with oile temp at at least 176 deg F., which...
  • Re: High Idle, Setting the timing
    Historical mailing list - Loretta Abbott-Kennon
    Mon, 28 Jan 2002 21:35:25 EST
    I fixed my idle problem on my 87 Syncro by cleaning out the idle stabilizer valve with a throttle body cleaning spray. -Loretta 87...
  • Idle stabilizer module switch?
    Historical mailing list - Marla Stelk
    Thu, 3 Apr 2003 10:40:07 -0500
    >there's a switch somewhere on the automatic transmission that >tells the computer/ISM (idle stabilizer module) that you are in >Park or Neutral...
  • Re: Idle problems on 85 westy
    Historical mailing list - David Beierl
    Tue, 17 Apr 2001 22:33:51 -0400
    ...Take out the idle stabilizer and connect the plugs to each other -- if the idle goes to normal, bad stabilizer. If it doesn't...
  • Re: 87 Vanagon GL 3000+ RPM idle - SOLVED
    Historical mailing list - Rico Dagastino
    Fri, 23 Oct 2009 08:45:14 EDT
    If my understanding of the operation of the Idle Stabilizer control unit is correct, that unit is in control of the idle only when...
  • [Fwd: Ignition System Question]
    Historical mailing list - Randolph Feuerriegel
    Fri, 9 Oct 1998 22:28:44 -0700
    ...I have disconnected the idle stabilizer. Is there more to it than just disconnecting the idle stabilizer? My compression readings vary from 145 to...
  • Re: Idling too fast...
    Historical mailing list - Paul Guzyk
    Wed, 15 Jun 2005 08:18:14 -0700
    Idle Stabilizer Controller....it's located about 1 foot in front of the right rear taillight behind the air box feed cover. You should...
  • Re: Help! irratic idling while wet
    Historical mailing list - Coby Smolens
    Thu, 3 Jun 1999 03:52:31 -0700
    Hi Paul, The power steering is connected to the idle stabilizer control unit which lives in front of the right hand taillight assembly. The...
  • Re: I'll try this again - Idling issues
    Historical mailing list - Neil N
    Sat, 9 Dec 2017 11:01:11 -0800
    ...So you unplugged the idle stabilizer valve but left the idle control unit in front of the passenger side tail light connected? The ICU...
  • Re: Idle stabilizer for 81 Calif Vanagon (was hall unit)
    Historical mailing list - Warren Lail
    Tue, 22 Mar 2005 10:42:21 -0600
    ...Idle stabilizer for 81 Calif Vanagon (was hall unit) > if you or anyone out there has an idle stabilizer unit > that will work for...
  • Idle Stabilizer Control Unit Specs
    Historical mailing list - William S. Brown Jr.
    Wed, 27 Sep 2000 14:10:06 -0800
    Does anyone know where I can get a schematic for inside of the Idle Stabilizer Control Unit? I have an 86 Vanagon with the...
  • Re: Timing Help
    Historical mailing list - David Beierl
    Sun, 4 Jul 2010 12:04:30 -0400
    At 11:30 AM 7/4/2010 Sunday, cesar quiros wrote: >Bentley say unplug Idle Stabilizer and plug into itself to 5 dregrees ATDC...
  • repairing the idle stabilizer unit
    Historical mailing list - gary hradek
    Wed, 18 Dec 2002 12:28:46 -0800
    ...repairing the idle stabilizer unit? there was talk a while back about repairing the idle stabilizing unit. Unfortunitly i was not able to find...
  • Re: 84 westphalia
    Historical mailing list - STEVEN G WACKER
    Mon, 30 Mar 1998 12:04:11 -0800
    Derek, sounds like either your "idle control valve" on top of the engine or your "idle stabilizer control unit". The valve on the engine...
  • Re: Help! High Idle speed
    Historical mailing list - John Rodgers
    Sun, 23 Sep 2001 13:30:09 -0500
    ...2) disconnect wiring on end of the idle stabilizer valve(ISV), 3) Start engine 4) Turn the idle adjustment screw right or left until...
  • Re: High idle problem
    Historical mailing list - Ken Lewis
    Mon, 7 Jan 2008 13:57:17 -0500
    ...What happens if you pinch off the hose going to the idle stabilizer valve? Does the idle drop? Ken Lewis http://neksiwel.20m.com/ >
  • Re: Idle Stabilizer Stability (2 Parts)
    Historical mailing list - Richard A Jones
    Sat, 30 Oct 2004 09:38:32 -0600
    > I had bought an idle stabilizer control unit on Ebay, so I put it > on. Just a note. Verner (excellent mechanic here in Boulder...
  • For Sale: captain chairs, ecu, idle stabilizer
    Historical mailing list - Florian Speier
    Sun, 26 Aug 2007 14:43:52 -0700
    ...from 1987 vanagon, triumph-adler, fine running, $80 plus $10 shipping Idle stabilizer, this is the latest revision D, $70 can ship the later...
  • Re: Computer woes?
    Historical mailing list - John Rodgers
    Mon, 9 Jul 2001 08:15:29 -0500
    Sounds like your idle stabilizer is not working. If your 87 GL has the same engine as my 88 GL -- the 2.1L with...
  • Re: Idle stabilizer 85 van
    Historical mailing list - Joseph Fortino
    Thu, 10 Jul 2003 18:22:50 +0000
    ...Idle stabilizer 85 van > > I'll try it tomorrow, in between swearing at it. > > Thanks, > > Mike > > On 7/9/03 5:48 PM, "VWNut...
  • Re: 85 wbx 1.9 miss at idle
    Historical mailing list - Jay L Snyder
    Mon, 19 Jan 2004 13:15:38 -0500
    Yes, idle speed is initially set by the screw, but it is controlled by the idle stabilizer. If you turn the idle speed screw...
  • Re: [Syncro] Wiring for CIS-E F.I. in Vanagon
    Historical mailing list - David Marshall
    Wed, 21 Mar 2001 19:26:00 -0800
    ...You are also right, a idle stabilizer valve is a function of CIS-E. There is the idle stabilizer which is controlled by the...
  • Complete 2.1l Difigant setup FS $500
    Historical mailing list
    Mon, 12 Apr 1999 21:55:21 EDT
    ...This includes the AFM and air box, the idle stabilizer unit, idle stabilizer air valve, air intake setup, air intake plenum and boot, distributor...
  • Re: Is This Idle Stabilizer Really Necessary?
    Historical mailing list - Joe Romas
    Sun, 11 Mar 2001 09:44:57 -0500
    ...Is This Idle Stabilizer Really Necessary?
  • idle stabilizer problem....
    Historical mailing list - Chris Schaefer
    Sat, 7 Sep 2002 19:46:48 -0700
    ...In the process I notice a disconnected wire, which turns out to lead to the idle stabilizer valve. I plug it in and restart...
  • Re: Idle stabilizer 85 van
    Historical mailing list - Mike Miller
    Wed, 9 Jul 2003 22:29:37 -0700
    ...Idle stabilizer > came > to mind. > > Bentley tells how to check but fails to mention where it is. Anyone > know? > > I hate those people. > > Mike > >
  • Re: AC & idle stab.
    Historical mailing list - Conrad Schimke
    Thu, 30 Jul 1998 11:12:09 --100
    My vw mechanic has checked the signals on the ecu & idle stabilizer: throttle valve switch didn't close on idle. It was 91 DeutschMarks...
  • Re: Throttle valve switch, checking/adjusting
    Historical mailing list - Robert Cardo
    Sun, 10 Apr 2005 21:55:51 -0500
    ...If the switch is burnt out it will make one think that the idle stabilizer is bad. This is why one investigating any idling...
  • Re: Surging Idle fixed! / High O2 sensor readings
    Historical mailing list - Darrell Boehler
    Mon, 10 Jan 2000 04:06:10 -0600
    ...I disconnected the input to > the stabilizer and the idle smoothed out noticeably. I exchanged the valve > and control unit from my other van...
  • Re: Wanted: Idle Stablizer
    Historical mailing list - Malcolm Holser
    Mon, 13 Apr 1998 14:54:52 -0700
    Actually, this is a good question. I need the idle stabilizer control unit from the '86-on. Do you sell this unit? Malcolm
  • Re: Erratic Idle & Racing
    Historical mailing list - Samuel Scott
    Sun, 6 Apr 2003 00:33:49 EST
    Time for a new Idle Stabilizer Control Unit. Part #251-907-393-D. About $225 from your local dealer. Sam '89 & '91 Carats
  • Solved Bizarre 2.1L: Idle problem
    Historical mailing list - Gary McEachern
    Sat, 29 Jan 2000 14:10:42 EST
    Hello The cause of the fast idle problem turned out to be the idle stabilizer valve. This is the second problem I have had...