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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 4+: 60 results shown for Throttle switch adjustment.

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

  • Re: Closed Idle Switch / Fuel Line Warning (again)
    Historical mailing list - Mark Ingalls
    Sun, 4 Feb 2001 09:31:49 -0600
    ...throttle all the way but when the throttle closes the closed >throttle switch does >not seem to click. I have seen where the adjustment...
  • Throttle valve switch, checking/adjusting
    Historical mailing list - Wognacious
    Sat, 9 Apr 2005 12:18:46 -0700
    ...So I'm checking out the throttle valve switch doing the tests described on page 24.35 of the Bentley. I have the single...
  • Re: Still trying to diagnose an off idle stumble.
    Historical mailing list - Blake Sartin
    Mon, 3 Nov 2014 09:26:11 -0500
    ...q.com> wrote: > > I'd take a look at the throttle position switch adjustment. This is critical for driveability. > > Karl Wolz > Sent from my...
  • Re: Throttle stop switch? Stumbles on resume throttle..
    Historical mailing list - Don Hanson
    Sun, 10 Mar 2013 15:00:54 -0700
    ...the throttle switches need to be checked for > adjustment periodically. > > Should read zero Ohms at closed throttle, infinite ohms as the throttle > opens, and...
  • Re: Digitool test results--no throttle switch LED at idle
    Historical mailing list - Jim Felder
    Thu, 2 Oct 2008 18:18:14 -0500
    ...Felder wrote: >> >> How do I get to this switch? > > It/they are on the throttle body. The old ones (up through early '85 I...
  • Digifant throttle position switch
    Historical mailing list - Karl F. Bloss
    Tue, 12 Oct 1999 14:49:44 -0400
    ...Eventually I pulled the whole throttle off the van and checked the switch. Switch worked fine. (DON'T let people talk you into changing...
  • Re: (LONG) Surging Idle fixed! / Surging O2 sensor readings
    Historical mailing list - Karl Wolz
    Wed, 12 Jan 2000 08:48:13 -0800
    When at full throttle, with the throttle switch light on (digitool), I get a steady .75V O2 reading. Is this normal? I'm assuming...
  • RE: Vanagon Puzzler
    Historical mailing list - Tom Brunson
    Thu, 3 Jul 97 01:04:12 UT
    ...For the Digijet there is a small adjustment screw on the throttle arm that triggers the switch. Bentley says to adjust by first closing...
  • Re: Air Flow Meter and Idle/Mixture Adjustmentsn
    Historical mailing list
    Tue, 18 Apr 95 12:27:18 EDT
    ...is there anyone who can convince me that the full throttle switch actually does something? DC ---------------------------------------------------------------------- David Carment School of International Affairs Carleton University...
  • 88 Surging & Idle updates
    Historical mailing list - Shawn Wright, SMUS Network Analyst
    Wed, 20 Mar 1996 10:07:26 PDT
    ...Tried to adjust switch but small screw is stripped & corroded. How hard is it to remove the throttle body/switch? Is the switch a...
  • Re: Surging 1.9 Vanagon
    Historical mailing list - John Lauterbach
    Tue, 3 Oct 2006 10:52:13 -0400
    ...There is a test / adjustment procedure > in the Bentley, you just have to search a bit for this special single-year > throttle switch section...
  • Re: Throttle switches on 1.9 WBX
    Historical mailing list - Karl Wolz
    Fri, 14 Apr 2000 08:19:56 -0700
    In 1985 the switch configuration was changed. Instead of two switches on top of the throttle body there is now a single switch activated...
  • Re: Vanagon Syndrome Update
    Historical mailing list - Robert Cardo
    Thu, 13 Oct 2005 10:02:49 -0500
    ...switch still may require further adjustment. And here's how to tell. First make sure the gap is on the money at the throttle...
  • Re: is big throttle spring needed 1.9
    Historical mailing list - Eric Caron
    Fri, 22 Sep 2023 15:54:27 -0400
    ...back the throttle switch (s)? Is a new one needed to stop the jumpy start? > Is the long throttle cable spring needing adjustment? > Spencer
  • Re: Throttle switch--lazy sometimes, per digitool
    Historical mailing list - Brad Anderson
    Thu, 17 Jun 1999 10:39:16 -0700
    ...Got the "don't change, factory adjust only" > screw and the throttle switch exactly right per paper and feeler guage. > > Now the throttle switch...
  • Re: 2.1 High idle/stumbling when engine cold
    Historical mailing list - Kenneth Wilford
    Fri, 21 Dec 2007 12:42:30 -0500
    ...culprit is an out of adjustment idle switch on the throttle body. This switch is located below the throttle body on 85-92 Vanagons...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Mark Tuovinen
    Thu, 24 May 2012 12:21:26 -0800
    ...But when the > > throttle body is worn you often have to make the adjustment with the > > engine running. Either way the two-switch people...
  • Re: digijet FI adjustments
    Historical mailing list - Jonce Fancher
    Sun, 9 Apr 2006 16:10:17 -0400
    ...throttle plate adjustment. Adjust stop screw so it does not stick >closed. Idle air goes through bypass screw. Check operation of throttle >switch or...
  • Re: pushrod from auto. trans to throttle
    Historical mailing list - Edward Maglott
    Tue, 13 Dec 2011 14:21:26 -0500
    ...on my 86 w/ AT, I have a little intermittent trouble with the idle switch not being activated when the throttle is closed due...
  • Re: digijet FI adjustments
    Historical mailing list - John Lauterbach
    Sun, 9 Apr 2006 16:50:25 -0400
    ...throttle plate adjustment. Adjust stop screw so it does not stick >>closed. Idle air goes through bypass screw. Check operation of throttle >>switch or...
  • Re: erratic running - Help requested
    Historical mailing list - Scott Walters
    Sun, 13 Jun 1999 14:00:56 -0700
    ...Sounds like a stuck idle switch on the throttle body. Up to '84s have two switches in plain sight, later ones have one switch...
  • Re: 89 backfires, sputters when warm. MYSTERY problem!!
    Historical mailing list - Roger Sisler
    Fri, 13 Oct 2006 16:12:08 -0400
    ...See if it is this sensor.Possiably your throttle switch is out of adjustment.How many miles on the engine accessories?Water temp 2...
  • Re: Idle Problem 1987 2.1 Van Automatic
    Historical mailing list - Evan Mac Donald
    Sun, 11 Nov 2007 09:58:23 -0800
    ...If the TP switch is on the ragged edge of adjustment, the difference in temperature may be enough. Or a worn throttle shaft bushing...
  • Re: Idle switch
    Historical mailing list - Mike Collum
    Mon, 25 Dec 2006 14:05:14 -0500
    ...the switch to make at both idle and at WOT (Wide Open Throttle) but there still wasn't much room for future adjustment in...
  • Re: Doing a 1.9l to 2.1l swap
    Historical mailing list - Stuart MacMillan
    Thu, 4 May 2000 08:24:40 -0700
    Ken, I ran into the same problem and I used the larger throttle body with the single switch. I cut the plug off the...
  • Re: Throttle stop switch? Stumbles on resume throttle..
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 10 Mar 2013 15:27:36 -0700
    ...the throttle switches need to be checked for >> adjustment periodically. >> >> Should read zero Ohms at closed throttle, infinite ohms as the throttle >> opens, and...
  • Re: '89 Auto 2.1 Digijet stalling when pulling away (sometimes).
    Historical mailing list - Chuck Mathis
    Mon, 9 Sep 2002 14:03:22 -0400
    ...Check the throttle position switch adjustment. Also check the Temp II sensor and fuel pressure regulator. My '85 suffered a serious stumbling when accelerating...
  • Re: Intermittent high idle - able to make "go low"
    Historical mailing list - Tyler Hardison
    Wed, 24 Jun 2015 13:52:53 -0700
    ...I was going to pull the throttle body and give it a good cleaning and adjustment this weekend. I suspect that the throttle never...
  • Re: throttle position switch (modified)
    Historical mailing list - Chuck Mathis
    Tue, 14 Aug 2001 08:51:05 EDT
    Ed and list, The adjustment cam slides in through the bottom plate of the throttle body. If you pull the throttle body (not as...
  • Re: Play in throttle shaft
    Historical mailing list - Frank Condelli
    Mon, 8 Jan 2007 06:32:07 EST
    ...I was checking my throttle position switch for idle, and found it was not clicking when the throttle was allowed to close, but if...
  • Idle running up and down
    Historical mailing list - dj
    Sat, 23 May 2009 21:05:39 -0700
    ...throttle postioning switch oxygen sensor fuel injectors can anyone add anything to this that might help us. Thanks, deek
  • Re: 86 Vanagon unstable idle
    Historical mailing list - Ken Wilford
    Wed, 31 Mar 2004 06:58:54 -0500
    My experience has been that 9 times out of ten idle problems with 85-91 Vanagons are related to the throttle position switch. This...
  • Re: Running rich.....me too
    Historical mailing list - Kenneth Lewis
    Wed, 17 Oct 2007 17:09:52 -0400
    ...My problem is that neither do I, unless a simple > multi-tester > can do the job. > > Will proper adjustment of the throttle switch likely...
  • Re: Surging between 1700 and 3000 rpm
    Historical mailing list - Mark Drillock
    Sat, 31 Mar 2007 08:43:58 -0800
    ...My > question now is what is "full throttle"? If the switch is defective or > misadjusted, would the switch out of adjustment cause this momentary...
  • Re: It's doing it again . . . additional symptom
    Historical mailing list - Scott Daniel - Turbovans
    Thu, 17 Dec 2009 17:57:27 -0800
    ...I'd check that. - idle switch adjustment. And lube the throttle shaft bushings, and everything that moves on it. Ignition timing also comes to...
  • Re: Jerks/surges when going from coasting to acceleration
    Historical mailing list - Dennis
    Mon, 23 Apr 2007 14:05:12 -0400
    12 volts does not go to the throttle switch. That goes to the auxiliary air regulator. Since you had the 12 volt connector to...
  • Re: Intermittent high idle - able to make "go low"
    Historical mailing list - David Beierl
    Wed, 24 Jun 2015 17:41:21 -0400
    ...I was going to pull the throttle >body and give it a good cleaning and adjustment this weekend. I suspect >that the throttle never...
  • fuel supply testing
    Historical mailing list - Mark Drillock
    Sat, 31 Mar 2007 09:03:07 -0800
    ...My > question now is what is "full throttle"? If the switch is defective or > misadjusted, would the switch out of adjustment cause this momentary...
  • Re: vanagon Digest - 29 Nov 2000 - Special issue (#2000-343)
    Historical mailing list - Damian Shaw
    Wed, 29 Nov 2000 15:13:41 -0700
    ...It really caused my FI system some grief since I couldn't get the throttle switch to adjust properly. The adjustment for the idle...
  • Re: My first encounter with Digitool...
    Historical mailing list - David Beierl
    Mon, 10 Apr 2000 11:58:50 -0400
    At 04:01 4/10/2000, James Shinosky wrote: >the dashboard, I observed that the throttle position switch light went off >when I step...
  • Re: O2 sensor problems
    Historical mailing list - Lastfogel, Darren
    Wed, 1 Sep 2004 12:30:44 -0400
    ...RC also suggested I adjust my throttle position switches. On the '83 digijet there are two idle position switches. I definitely know that one...
  • Digitool to the rescue
    Historical mailing list - Jim Felder
    Fri, 3 Oct 2008 16:19:51 -0500
    ...a bad hall sensor and an out-of-adjustment idle switch. The hall effect sensor was replaced a week ago and the no-starting...
  • Re: Vanagon jerking in stop and go traffic
    Historical mailing list - kenneth d lewis
    Sun, 21 Mar 1999 21:31:41 EST
    ...The idle switch is an exact adjustment. It is also outlined very well in the Bentley. The idle position set screw, idle air bypass...
  • Re: stalling situation
    Historical mailing list - Damian Shaw
    Mon, 6 May 2002 14:00:00 -0600
    ...It's your throttle switch. VW have a really stupid setup on the throttle switch where they use it for both the idle and...
  • Re: Idle stabilizer
    Historical mailing list - Johan Nyberg
    Sun, 11 Oct 1998 11:55:06 +0200
    ...Very important is check the throttle position switch. Test it for continuity with throttle fully closed and fully open. Quick check is to listen...
  • Re: idle stabilizer
    Historical mailing list - Justin B. Jensen
    Thu, 11 Sep 1997 21:01:13 -0700
    ...owners group Be certain to check the adjustment of the throttle switches (specifically, the idle stop switch) prior to replacing your idle stabilizer. Additionally...
  • Re: Low RPM drift/surge, what is it?
    Historical mailing list
    Wed, 27 Nov 1996 08:31:48 -0500
    ...Thanks and aloha, > Gordon Smith > Yes, Throttle switch bad, or out of adjustment. There is a updated switch you need from the dealer. I...
  • Re: Vgon syndrome harness made it run like crap?
    Historical mailing list - David Beierl
    Fri, 25 Jul 2003 12:13:40 -0400
    ...Throttle switch stuck shut, sounds like. > I took the harness off and it ran crappy for a >few more minutes then started to run...
  • Re: decelerator switch?Re: Clutch Problems?
    Historical mailing list - Jake de Villiers
    Wed, 16 Nov 2005 15:29:49 -0800
    ...the long throttle-closed over-run period, the van surges a little when the idle cut-off switch returns to 'Run'. Adjustments are free...
  • Conclusion to story of setting Idle
    Historical mailing list - James R. Gilbert
    Tue, 30 Jun 1998 15:08:11 -0400
    ...The CO adjustment is in the air intake/air flow control unit. Finally, there is a tiny screw on the lever of the throttle...
  • Re: Rough running till warmed up
    Historical mailing list - Evan Mac Donald
    Tue, 21 Aug 2007 19:18:14 -0700
    ...normal adjustment. And remember the airflow sensor is NOT used at idle. That is what the idle compensator computer and cut-off switch are...
  • Re: throttle shaft bushings ?
    Historical mailing list - Dennis Haynes
    Sat, 14 Jan 2006 19:04:01 -0500
    ...shaft is cockeyed ever so slightly.After all, the correct throttle switch adjustment is just .002-.004.Dont take much shaft tilting to change...
  • Re: throttle switch
    Historical mailing list - Neil
    Mon, 18 Jan 2021 13:28:20 -0800
    ...adjustment. The install was simple and the van is running great. It may be > my imagination, but I think the broken throttle switch must...
  • Re: Throttle switch
    Historical mailing list - Matthew Pollard
    Fri, 9 Mar 2001 10:52:44 -0800
    ...it better to have the throttle switch adjusted to the smaller or > > larger range of the allowed adjustment? >> > > > > The range is not that great...
  • Re: engine revving at idle
    Historical mailing list - Ry
    Fri, 9 Jul 2010 08:48:13 -0500
    got a link for us to this pressure switch replacement for the throttle position switch? -Ry http://www.google.com/profiles/rylincoln On Fri...
  • Re: low compression\rough cold idle-1.9L
    Historical mailing list - Scott Wilson
    Sun, 17 Nov 2002 17:13:24 -0800
    ...enough > air > and will die. > > but i'd check the throttle switch adjustment first > ... > that's the most logical suspect, since it's the...
  • Re: Sudden High idle
    Historical mailing list - Chris DeLong
    Thu, 11 Nov 2004 06:39:34 +0000
    Throttle switch adjustment. Chris DeLong Fine Tuning 206.522.5503 www.finetuningperformance.com Seattle, WA USA >From: The Shaws <mindthegap01@COMCAST.NET> >Reply-To...
  • Re: Cold weather issue - super high idle
    Historical mailing list - kenneth wilford (Van-Again)
    Mon, 13 Nov 2023 08:33:42 -0500
    Check, throttle position switch adjustment. Test switch electrical operation. If the switch is good, then most likely the idle control unit needs to be...
  • Re: Throttle Valve Stop Screw Adjustment.
    Historical mailing list - Scott Daniel - Turbovans
    Thu, 5 Jul 2012 12:36:57 -0700
    ...just never heard of it being called a Vacuum Switching Module .. which is misleading anyway, in my mind, as it does not switch vacuum...
  • Re: 2.1 High idle/stumbling when engine cold
    Historical mailing list - Kenneth Wilford
    Fri, 21 Dec 2007 19:40:04 +0000
    ...directly to removing the > throttle body instead of attempting the fix with the provided adjustment > screws located above the switch? > Thanks, > Ken Lewis > http...