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 4+: 60 results shown for Idle speed.

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

  • 88 GL - Idle Stabilizer System - Was Distributor Woes
    Historical mailing list - JRodgers
    Fri, 3 Jan 2014 07:27:33 -0600
    ...a warmup - idles delightfully around 800/900 rpm. When I do a cold start with the ISV connected - the engine over speeds. Not good...
  • High Idle, Sometimes (NOT Idle Stabiliser Controller)
    Historical mailing list - George Goff
    Wed, 18 Dec 2002 09:29:29 EST
    ...At times, my '90 Syncro idles at about 2K. The strange thing is that when it is idling high, if I hold it with...
  • Re: 85 stalling probs...Where's the ARCHIVE!!!?!?!
    Historical mailing list - John Lauterbach
    Tue, 14 Dec 2004 23:51:03 -0500
    ...On the 1.9L engines, the idle speed will be close to specs as long as your timing is right and you are getting...
  • Re: irregular idle speed
    Historical mailing list - Lawrence Johnson
    Wed, 12 Aug 1998 09:46:06 -0400
    ...why does the idle stabilizer hum? A: because it doesn't know the words. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ christopher irvin wrote: > My �84 has an inconsistent idle speed...
  • Re: 85 Uneven idle again
    Historical mailing list - Joe Romas
    Sat, 9 Dec 2000 22:50:02 -0500
    ...One being > the idle speed adjusting screw.Through the archives, someone had suggested > turning the idle screw in to cut the idle surging out...
  • irregular idle speed
    Historical mailing list - christopher irvin
    Tue, 11 Aug 1998 17:40:39 PDT
    My �84 has an inconsistent idle speed... it revs (or surges) every 3 or 4 seconds. I can�t get an IM test because...
  • High idle w. A/C on... please help
    Historical mailing list - Dan N
    Fri, 17 Oct 2014 09:51:50 -0700
    ...When I turn the A/C on the idle jumps to 2000 RPM - the fan goes to medium speed all the time. What part...
  • Re: Idle Control Issues
    Historical mailing list - Craig Forney
    Sun, 21 Jul 2013 14:58:20 -0700
    ...This idle speed regulation of the ISCM is much slower acting (can take up 20 seconds to regulate), and could not possibly respond in...
  • Re: 1.9-idle probs&mixture
    Historical mailing list - Scott W.
    Sat, 8 Feb 2003 06:19:51 -0800
    ...those are the idle > speed boost > valves. they are intended to boost the idle speed > for power > steering and when the air conditioning is...
  • Re: 88 GL - Idle Stabilizer System - Was Distributor Woes
    Historical mailing list - Craig Cowan
    Fri, 3 Jan 2014 08:39:55 -0500
    ...a warmup - > idles delightfully around 800/900 rpm. > > When I do a cold start with the ISV connected - the engine over speeds. > Not good...
  • Re: Throttle valve switch, checking/adjusting
    Historical mailing list - Dennis Haynes
    Sun, 10 Apr 2005 08:34:47 -0400
    ...With the engine at idle speed, adjust to .5 volt or slightly less. Idle speed should be ~850-950 rpm. You also want to...
  • Re: idle fuel calculations
    Historical mailing list - Allan Streib
    Sun, 25 Nov 2007 17:43:32 -0500
    ...It's not particularly good for them to idle for prolonged periods, but at idle speed they do consume relatively little fuel. Allan On...
  • Idle Speed Adjustment - 1988 GL
    Historical mailing list - John H. Rodgers
    Sun, 11 Oct 1998 13:49:24 -0500
    ...For me to adjust the idle speed, I must follow the following proceedure in the Bentley's, section 25.51. ***************** "Idle Speed and CO...
  • I'm Lazy. (Fast idle when cold, sometimes)
    Historical mailing list - tabe johnson
    Thu, 8 Sep 2005 12:09:40 -0400
    ...When it warms up it idles at normal speed with occasional high idles, cured by blipping the throttle. The throttle is not binding and...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - Mark Keller
    Wed, 14 Feb 2007 16:00:22 -0800
    ...The Idle Air Screw on the throttle body, adjust idle speed only with NO Mixture effect The CO mix adjustment on the AFM, which...
  • Low idle speed when cold
    Historical mailing list
    Thu, 5 May 94 14:00:09 EDT
    ...When the car first cold starts in the morning the idle speed is 700 RPMs, or close to it. After the engine warms up...
  • Re: Increase idle speed for air conditioner?-Further research?
    Historical mailing list
    Mon, 10 Mar 1997 13:14:45 -0700
    ...the old "search for idle speed" so many others have posted in the past. Is this caused by the idle stablizer? Does anyone know...
  • Re: PS Pump switch high idle question
    Historical mailing list - Alistair Bell
    Tue, 3 Jan 2017 21:12:25 -0800
    ...The idle controller looks at engine speed, temperature, and those other inputs and then modulates the valve to get to the desired speed. The...
  • Re: irregular idle speed
    Historical mailing list - Karl Bloss
    Wed, 12 Aug 1998 10:55:31 +0000
    > My `84 has an inconsistent idle speed... it revs (or surges) > every 3 or 4 seconds. I can't get an IM test because...
  • idle timing variability
    Historical mailing list - Dave Kautz
    Tue, 7 Feb 95 10:18:30 PST
    ...stabilizers work in exactly the manner you have described, varying the timing a few degrees at idle to keep the speed constant. Dave Kautz
  • Idle Stabilizer Valve
    Historical mailing list - John Clavin
    Wed, 25 Apr 2001 23:36:33 -0500
    The idle speed on my '85 GL is "hunting" (revving up a few hundred rpm every second or so). I am working through a...
  • Re: Condensor for 90A alternator
    Historical mailing list - shawn luft
    Tue, 15 Apr 2003 07:02:47 -0400
    ...Bentley tells how to test the idle speed too. Shawn Shawn Wright wrote: > The idle still has the odd miss, so I doubt it...
  • ignition timing
    Historical mailing list - Warren.K.Lail-1
    Sat, 28 Feb 2004 08:51:06 -0600
    ...bypass the idle stabilizer, set the timing to 5 degrees BTDC, reconnect the idle stabilizer, and then set the idle speed to 850. Is...
  • Re: 85 stalling probs...Where's the ARCHIVE!!!?!?!
    Historical mailing list - Craig Oda
    Wed, 15 Dec 2004 09:52:09 -0800
    ...On the 1.9L engines, the idle speed will be close to specs as > long as your timing is right and you are getting...
  • Re: 91 Carat Cold Stall
    Historical mailing list - John Rodgers
    Tue, 15 Oct 2002 11:35:17 -0500
    Lew, the first place to start tracking down this problem is to check your idle speed with the Idle Stabilizer Valve (ISV) disconnected. Be...
  • Herky-jerky slowdown -- '87 Wolfs
    Historical mailing list - Gordon C Smith
    Mon, 20 Apr 1998 09:00:24 -1000
    When I moderately decelerate to slow speeds in 1st or 2nd my van bucks and jerks. I have adjusted the idle switch "by ear...
  • Re: Conclusion to:"Trouble on the Road in PA" (longish)
    Historical mailing list - jimt
    Wed, 24 Aug 2005 09:13:13 -0600
    ...I found with my subie conversion that an idle of 1000 to 1100 is the best idle speed for mine. Even though I could...
  • PS Pump switch high idle question
    Historical mailing list - Alistair Bell
    Tue, 3 Jan 2017 19:02:36 -0800
    Hi, Can someone school me on the way the PS pump switch affects the idle speed? I have a faint idea that it somehow...
  • Idle Control Valve '87 Westy
    Historical mailing list - John W. Parkins
    Mon, 9 Apr 2001 12:41:14 -0400
    ...Replaced burned out transistor and a couple of diodes on the idle controller circuit board. Now idle speed seems right, but... Bentley says the...
  • Re: Vanagon Idle Speed Problem
    Historical mailing list - Dan Herbert
    Wed, 6 Dec 1995 11:52:36 -0500
    FWIW, the idle stabilizer was replaced twice (under warranty) on our 1988 Westy, curing the symptoms both times. YMMV. On Wed, 6 Dec 1995...
  • digijet idle stabilizer question
    Historical mailing list - Mark Ingalls
    Sat, 27 Jan 2001 02:21:35 -0600
    ...I was wondering if anyone on the list has ever bypassed the idle stabilizer (like you do to set idle speed) and drove the...
  • '82 Westy idle speed too high
    Historical mailing list - Kenneth D Balfanz
    Wed, 22 May 96 13:09:04 -0500
    ...The idle speed on my aircooled 2.0 L is way too high. I'm sure it's not a vaccuum leak, I just...
  • Re: Vanagon Blues
    Historical mailing list - Sam Scholten
    Fri, 24 Apr 1998 07:04:03 -0700
    ...check your exhaust for leaks and your O2 sensor first, THEN check idle speed and idle stabilizer. Of course, as someone weened on a...
  • Re: Help! loosing idle speed
    Historical mailing list - Matthew Pollard
    Fri, 14 Feb 2003 14:56:23 -0800
    what sort of condition is your catalytic converter in???
  • 84 Vanagon idles up and down part two
    Historical mailing list - Stephen Hosick
    Sat, 30 Mar 2002 22:07:40 -0800
    I'm still waiting for a reply on where to find and check out my idle speed controller.I've replaced my temp II...
  • Re: Low idle, let's take some bet's!
    Historical mailing list - Dave Arthur
    Mon, 20 Jul 2009 07:59:42 -0300
    ...hard it was working) but no change in idle speed. I conclude that the idle control box knows how fast the engine is going...
  • Re: low idle when AC compressor is on
    Historical mailing list - vw_van_fan_Mark
    Sat, 10 Jul 2021 10:31:25 -0700
    ...That is how the idle control system knows when to speed up the idle for A/C. They may have simply overlooked that signal...
  • Re: Advice on Spare 2.1
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 7 May 2010 10:42:54 -0700
    ...the Idle Control Unit ...the vale and control unit, on the 2.1 ...which have to do with air control that determines idle speed...
  • Re: high idle speed
    Historical mailing list - Marc Perdue
    Fri, 1 Nov 2002 13:21:12 -0500
    ...Thanks, Marc Perdue Pat Callaghan wrote: > Hi all, > > On my 87 Westy, the idle speed seems to be too high. This has started since...
  • Re: Digijet Idle Stabilizer--Green or Black?
    Historical mailing list - David Beierl
    Mon, 14 Jan 2002 10:00:47 -0500
    ...Now I hear there are two different idle speed versions, green and >black? I assume the Digijets with A/C, P/S and more...
  • some parts 4 sale
    Historical mailing list - Jason Willenbrock
    Mon, 8 Nov 2004 12:53:11 -0500
    ...all together speedo from 88 vanagon back plastic housing a little beat up but it works 180xxx miles on speedo idle control unit from...
  • Re: 1800cc type 4 carb adjustment...
    Historical mailing list - Gregor Durstewitz
    Tue, 25 Jun 1996 13:23:47 -0800 (PST)
    ...Unscrewing > it (counterclockwise) should increase the sucking sound and speed up the > idle. The louder the sucking sound, the higher the idle, in other...
  • Re: mileage
    Historical mailing list - Peter Zendzian
    Tue, 17 Mar 1998 20:41:42 -1000
    ...I had the same problem with my idle speed jumping up and down like yours. It turned out to be two problems, I had...
  • Re: Pulsing idle UPDATE
    Historical mailing list - Joshua Van Tol
    Wed, 14 Apr 1999 18:04:29 -0500
    ...This is only for '86 and newer vans, which use a completely different mechanism to regulate the idle speed. You do have an idle...
  • idle stabilizer - 83.5 westy
    Historical mailing list - William Maxian
    Wed, 11 Aug 1999 17:34:56 -0400
    Noticed cut out at cruising speed today. Went by VW guru & he said probably "idle stabilizer". He disconnected leads & reconnected them together - runs fine...
  • Re: Idle Control Issues
    Historical mailing list - Craig Forney
    Sat, 20 Jul 2013 22:55:32 -0700
    ...The AC compressor engaging sends a signal to the ISCM and increases idle speed a bit when the throttle is closed (assuming the throttle...
  • Re: Digijet ignition clarification Q
    Historical mailing list - Jonathan Farrugia
    Mon, 14 Mar 2005 01:04:51 -0500
    ...to spec > (5*ATDC with idle stabilizer disconnected, and engine > speed set to about 850 rpm - the idle speed adjustment > screw about 1/8...
  • Re: Bentley question regarding Idle Speed Stab. valve troubleshooting
    Historical mailing list - Stuart MacMillan
    Tue, 22 May 2018 14:38:51 -0700
    ...Bentley question regarding Idle Speed Stab. valve troubleshooting No problem other than it doesn't vibrate. I thought I read somewhere that vibration or...
  • 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...
  • Oil cooler placement
    Historical mailing list
    Mon, 24 Jun 1996 23:24:02 -0400
    ...3)Most importantly, it worked for him! My problem is at idle and at highway speed. Joel's arrangement bothered me from the standpoint...
  • Re: some parts 4 sale
    Historical mailing list - John Wallace
    Mon, 8 Nov 2004 16:03:01 -0500
    ...all together >speedo from 88 vanagon back plastic housing a little beat up but it works >180xxx miles on speedo >idle control unit from...
  • FS: Digifant 2.1L ISCM
    Historical mailing list - Robert Lilley
    Wed, 11 Feb 2004 22:11:54 -0700
    For sale good used Idle Speed Control Module for Digifant. I tested this unit for about a month of running. Held Idle OK, did...
  • Idle control valve and very cold weather?
    Historical mailing list - Don Hanson
    Tue, 8 Dec 2009 19:32:27 -0800
    ...Van would not start without a bit of throttle either, first thing this morning...The cycling of the idle speed was this evening..and...
  • '85 Cold Start Idle
    Historical mailing list - Jay L Snyder
    Thu, 6 Apr 2000 15:00:39 -0400
    ...have little effect on the idle speed. Larger movements will cause it to respond. I am guessing the idle mixture is off. Is it...
  • Re: Volksiebus - 88 Transporter - Rough Running Engine
    Historical mailing list - Dennis Haynes
    Fri, 17 Jan 2014 00:27:41 -0500
    ...starts easily, idles easily, but upon attempted acceleration it bucks, kicks, snorts, hiccups, coughs - finally smoothing out at speed. Warm engine: starts easily, idles...
  • Re: Idle Problem?
    Historical mailing list - Angus Gordon
    Tue, 14 Dec 1999 20:14:07 -0500
    ...if the speed drops. Angus >I've read numerous notes that deal with idle problems with the 2.1L >engine. My idle problem is...
  • 2.1 wbx no warm up on cold start
    Historical mailing list - Mathieu Bertrand
    Tue, 27 Nov 2001 17:33:19 +0000
    ...The idle speed doesn't increase anymore like it use to do on cold mornings. I've check all the wires to/from the...
  • Re: Failed emissions testing
    Historical mailing list - Todd.Last
    Sun, 9 Jan 2011 12:02:04 -0800
    ...If the CO was within normal > limits then excessive HC could be the result of an ignition miss, incorrect > timing, idle speed, or a...
  • Speedo Cable
    Historical mailing list - John H. Rodgers
    Tue, 13 Oct 1998 07:00:58 -0500
    ...Rodgers * EMC.Ver #2.5.02 ] -- Just wondering if anyone has a used serviceble speedo cable and housing they would like to dispose of...
  • Re: PS Pump switch high idle question
    Historical mailing list - Dennis Haynes
    Wed, 4 Jan 2017 05:14:02 +0000
    ...The idle controller looks at engine speed, temperature, and those other inputs and then modulates the valve to get to the desired speed. The...