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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 13+: 60 results shown for Throttle Switch.

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

• Re: Engine stalling at high speed
  Historical mailing list - Tyler Hardison
  Sat, 16 Apr 2016 14:33:57 -0700
  ...That also means he has two throttle position > switches, one closed throttle and one full throttle. Misadjusted closed > switch will give bucking when crusing...
• Re: irregular idle speed
  Historical mailing list - Karl Bloss
  Wed, 12 Aug 1998 10:55:31 +0000
  ...I had this and set it back a bit (big screw on the throttle body). Another possible problem is that your idle enrichment switch...
• Re: Vanagon jerking in stop and go traffic
  Historical mailing list - Paul Borghese
  Mon, 29 Mar 1999 15:14:33 -0500
  ...Also checked the throttle position switch >and sure enough the switch does not make contact when the throttle is in >idle. Tried to adjust...
• Re: Exhaust leaks and backfiring (was Re: Timing how to.)
  Historical mailing list - David Beierl
  Tue, 25 Nov 2003 12:21:46 -0500
  Backfire on decel (assuming this means foot off the gas pedal) generally means that your throttle switch is not closing properly or the signal...
• Re: Throttle position switch location
  Historical mailing list - Raul Cisneros
  Tue, 22 Feb 2000 17:26:05 EST
  Sean, The switch is under the throtle body-take it off completely to inspect/clean. There should be a plastic snap on cover to...
• Re: throttle body fun
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 9 May 2010 14:01:47 -0700
  ...When I adjust 'em, I check about 6 times that ever time the throttle is released, the switch closes. I also don't think...
• Re: Engine stalling at high speed
  Historical mailing list - Dennis Haynes
  Sat, 16 Apr 2016 15:32:27 -0400
  The 2 separate throttle switches was replaced with the single cam switch somewhere mid 84. All 85's have the later set up. 86...
• Re: Houston, we have a problem.......!
  Historical mailing list - Dan N
  Fri, 17 Jul 2015 14:43:10 -0700
  ...With engine off, I checked throttle operation and it is > perfect. I can hear the switch clicking appropriately. Connections tight, > no slipped throttle cable...
• Re: Help with loping engine
  Historical mailing list - Mark McCulley
  Fri, 17 Oct 1997 20:39:35 -0700
  Could be one of the throttle switches (the one that senses when your foot is off the gas and the throttle is closed). Don...
• Re: Throttle body question
  Historical mailing list - Angus Gordon
  Wed, 11 Jun 2014 11:49:30 -0700
  ...Angus On Wed, Jun 11, 2014 at 9:04 AM, Alistair Bell <albell@shaw.ca> wrote: > The little vacuum port on the throttle body...
• CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
  Historical mailing list - neil n
  Tue, 26 Jun 2012 18:23:05 -0700
  ...The > throttle switch should be closed when the throttle is closed or at full > throttle, not in between. > > With the O2 sensor disconnected from...
• Need FI Help...HELP!
  Historical mailing list - Steven X. Schwenk
  Wed, 16 Jun 1999 23:21:21 -0700
  ...Could this be throttle switch adjustment? Didnt't think so. Should I swap in my old AFM? I will do this tomorrow noght after...
• Re: throttle switch
  Historical mailing list - Neil
  Mon, 18 Jan 2021 13:28:20 -0800
  ...It may be > my imagination, but I think the broken throttle switch must have impacted > performance as well as idle as it seems to...
• Re: Runaway Engine RPMs
  Historical mailing list - Neil N
  Thu, 10 Oct 2013 11:01:15 -0700
  My guess is that if the throttle body switch malfunctioned at idle, the ECU would tell injectors to stay open longer, (too rich) which...
• Re: Engine stalling at high speed
  Historical mailing list - Stuart MacMillan
  Sat, 16 Apr 2016 12:59:38 -0700
  ...That also means he has two throttle position switches, one closed throttle and one full throttle. Misadjusted closed switch will give bucking when crusing...
• Re: Play in throttle shaft
  Historical mailing list - Jeffrey Schwaia
  Sun, 7 Jan 2007 12:22:28 -0800
  ...Best to just readjust your throttle switch, and move on to the next problem.Perhaps a weaker return spring will not pull the shaft...
• Part # for deceleration/idle switch on an 84
  Historical mailing list - Jim Gregory
  Tue, 11 Dec 2001 08:40:46 EST
  I went to my dealer to get a new full throttle enrichment switch and a deceleration/idle switch for my 84. The part numbers...
• Re: AFM, throttle body needed
  Historical mailing list - Frank Condelli
  Tue, 19 Jul 2005 06:07:14 EDT
  ...If you have an inexpensive (cheap is good) AFM and throttle body with a functioning switch attached, I am interested. My Vanagon is an...
• Re: Looking for new TBS # 067906028 (was Idle Surge)
  Historical mailing list - Bryan Feddish
  Thu, 8 Aug 2013 09:26:23 -0400
  Thanks everyone for all the help with the throttle body switch. It turns out I had an extra TB and switches in my parts...
• idle problems
  Historical mailing list - Mike Riley
  Tue, 17 Aug 2010 19:01:12 -0400
  ...surging idle, throttle body tight and returns to stop every time. switch ok and working. all idle booster and cold start valves have the...
• Digijet Diagnostic Aide
  Historical mailing list - Jay L Snyder
  Mon, 12 Mar 2001 15:22:17 -0500
  ...throttle switch (idle position), O2 sensor output and possibly Temp II sender. Any others more important? I could add the WOT switch. An extra...
• Re: Engine stalling at high speed
  Historical mailing list - Jeff Schwaia
  Sat, 16 Apr 2016 15:00:29 -0700
  ...That also means he has two throttle > position switches, one closed throttle and one full throttle. > Misadjusted closed switch will give bucking when crusing...
• Pulsing idle UPDATE
  Historical mailing list - Marcus Schaper
  Wed, 14 Apr 1999 01:14:11 EDT
  ...corroded - check the throttle position switch for proper adjustment WHAT I HAVE DONE: - checked all the wiring - checked the throttle switches (both click in...
• Re: Low RPM drift/surge, what is it?
  Historical mailing list
  Wed, 27 Nov 1996 08:31:48 -0500
  ...I just finished troubleshooting a poor/cut out at acceleration to the throttle switch. It didn't close at idle. I readjusted it and...
• Re: FS: ECU and AFM for 2.1L
  Historical mailing list - Tom Stone
  Sun, 28 Apr 2002 19:40:18 EDT
  ...Seems that there is some problem with throttle position switches when you put the '87 throttle body in and try to hook it up...
• Warm Starting
  Historical mailing list - Michael A. Radtke
  Mon, 29 Oct 2001 15:24:34 -0700
  ...The throttle switch looks fine at that connection as well. Any suggestions? Thanks, Mike -- Phoenix AZ '84 GL
• Re: '91 Westy Coolant/Fan
  Historical mailing list - brad barcom
  Sun, 10 Feb 2002 22:14:41 -0500
  Bob- You may have already checked these things, but make sure that your throttle position switch is doing what it is supposed to: continuity...
• Re: Vanagon is jerky, Clutch maybe?
  Historical mailing list - Scott Daniel - Turbovans
  Wed, 26 Sep 2012 16:32:01 -0700
  ...the throttle switch failing to break contact with throttle above idle would cause you symptom.. as mentioned.. that's very rare IMO - I've...
• Accelerator Cable Question
  Historical mailing list - Jeff Gilbert
  Thu, 30 Sep 1999 13:33:01 -0700
  ...I was checking continuity on the throttle switch and when I pushed it wide open, I noticed that the scruff on the torn boot...
• Re: 86 Syncro 2.1 surging at 2K rpm no load
  Historical mailing list - HotelWestfalia
  Thu, 24 May 2012 20:37:16 -0700
  ...86 Syncro 2.1 surging at 2K rpm no load > Test the throttle switch electrically. Make sure it is open with the > throttle open...
• Re: Engine stops running at red lights
  Historical mailing list - Lawrence Johnson
  Sun, 26 Mar 2000 23:02:45 -0500
  ...With the engine NOT running, you might be able to hear the switch open and close by holding your ear near the throttle switch...
• Re: Throttle Valve Housing for 1986 Vanagon
  Historical mailing list - Kenneth Wilford
  Fri, 18 Jun 2004 10:11:35 -0400
  ...Throttle Valve Housing for 1986 Vanagon Does anyone have a good used Throttle Valve Housing and Throttle valve switch for an '86 Vanagon GL...
• Re: "poof!" when decelerating
  Historical mailing list - Karl F. Bloss
  Thu, 19 Oct 2000 00:05:17 -0400
  Bradley, Check your throttle switches. I'm not sure if the '84 Digijet does the same thing, but the Digifant turns off fuel injection...
• Re: ECU and Throttle Question
  Historical mailing list - Ken Lewis
  Wed, 4 Aug 2004 16:36:47 -0400
  Here's my theory FWIW; the thinking behind the activation of the full throttle switch means you have "floor-boarded it" i.e. you...
• Re: How long does it take your Vanagon to warm up
  Historical mailing list - Dennis Haynes
  Sun, 15 May 2005 10:14:50 -0400
  ...I think that the throttle plate itself > is worn and > sticks, and this sometimes keeps the switch from opening and closing > properly. I am...
• Re: Idle Surge
  Historical mailing list - Mike Miller
  Thu, 27 Oct 2011 10:55:22 -0700
  Throttle body. Or tuberculosis. Depending On Oct 27, 2011, at 8:43 AM, Melissa Mourkas wrote: > What, pray tell, is a TB switch? Sorry...
• Re: HELP in Riverton, WY - Engine Flooding
  Historical mailing list - pdooley
  Tue, 6 Oct 2009 00:19:59 -0400
  ...It probably was the throttle switch. It apparently tells the ECU to go to full rich. When mine failed, I used 12 gallons of...
• Re: Cold engine Idle problem
  Historical mailing list - John Hawk
  Tue, 8 Jan 2002 08:50:58 -0600
  ...Is the throttle switch properly adjusted? The back switch should engage when you are not touching the gas pedal. You can manually move the...
• Re: Vanagon syndrome...it sucks!
  Historical mailing list - vw_van_fan_Mark
  Mon, 21 Mar 2016 16:33:25 -0700
  ...The TPS throttle position switch has several failure modes. Sometimes it is just wear on the external cam and the switch is fine. In...
• throttle body fun
  Historical mailing list - Alistair Bell
  Sun, 9 May 2010 12:07:10 -0700
  ...throttle valve position switch (TVPS), even though it had been recently adjusted. I was suspicious that the throttle shaft fit in the throttle body...
• Surging between 1700 and 3000 rpm
  Historical mailing list - mordo
  Tue, 3 Apr 2007 20:53:19 -0400
  ...I am thinking that the throttle valve switch is a possible culprit. My question now is what is "full throttle"? If the switch is...
• Re: How to disconnect idle stablizer??
  Historical mailing list - Karl Mullendore
  Wed, 27 Sep 2000 15:37:25 -0400
  ...It is adjustable by loosening a small allen-head screw above the switch on the throttle body, and then turning the other small allen...
• Re: Poor Hot Start Discovery - midway through solution
  Historical mailing list - David Beierl
  Sun, 26 Aug 2012 17:09:38 -0400
  ...ECU takes in data from AFM, T-I, T-II, rpm, throttle switch to decide when and how much fuel to administer. > Does the...
• Re: 87 Van Bucking (Solution...?)
  Historical mailing list - Kirk Persing
  Thu, 10 Feb 2000 13:48:42 -0800
  ...Thanks,Kirk Stuart MacMillan wrote: > Kirk, > > Have you checked that throttle switch? The one that is normally just > closed at closed throttle on my...
• Re: full throttle switch boost?
  Historical mailing list - Stan Wilder
  Thu, 30 Aug 2001 09:31:24 -0500
  ...full throttle switch boost? > > > > Well I am glad to know I am not missing anything extra with that 3 > prong > > connecter, but I still...
• Re: Engine stalling at high speed
  Historical mailing list - Tyler Hardison
  Sat, 16 Apr 2016 14:37:20 -0700
  ...That also means he has two throttle position >> switches, one closed throttle and one full throttle. Misadjusted closed >> switch will give bucking when crusing...
• Re: does aux air reg affect idele after warm up 1.9
  Historical mailing list - Scott
  Mon, 9 May 2016 19:49:04 -1000
  ...as long as idle switch is actually making contact, and actually telling the ecu throttle is at idle ... ( if need be, check wires all...
• rebuilding throttle body
  Historical mailing list - Mark McCulley
  Thu, 17 May 2001 18:39:45 -0400
  ...The result is an inconsistent idle and problems setting the throttle position switch because the valve does not always return to the same position...
• Analog TPS fitted to a WBX throttle body?
  Historical mailing list - Damon Campbell
  Tue, 10 Feb 2004 21:50:56 -0800
  ...Megasquirt (MS) uses a genuine throttle position sensor... not the dinky little idle/WOT switch we get. I need to replace the stock switch...
• 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...
• Re: Throttle cable
  Historical mailing list - John Rodgers
  Wed, 23 Feb 2000 01:06:03 -0600
  ...to > reduce the rpm's. (I know it is probably the throttle switch). Anyway, it > broke, but since it was dark and I couldn...
• Re: sluggish on take off
  Historical mailing list - Mark Magee
  Mon, 24 Oct 2005 18:42:13 -0500
  ...the switch is either open or closed with a helper. im not sure what TPS is can you elaborate? ( throttle possition switch?) also i...
• Re: Weird "idle" problem
  Historical mailing list - Dennis Haynes
  Thu, 16 Oct 2014 18:34:52 -0400
  ...This doesn't change anything about your procedure, but on the 2.1l the closed-throttle switch does affect idle via the much more...
• Re: "poof!" when decelerating
  Historical mailing list - The Leavitt's
  Wed, 18 Oct 2000 21:49:53 -0700
  ...Re: "poof!" when decelerating Bradley, Check your throttle switches. I'm not sure if the '84 Digijet does the same thing, but the Digifant...
• My first encounter with Digitool...
  Historical mailing list - James Shinosky
  Mon, 10 Apr 2000 04:01:53 EDT
  ...On my first weekend round trip on street/freeway with digitool sitting on the dashboard, I observed that the throttle position switch light went...
• Re: full throttle switch boost - HOW TO?
  Historical mailing list - Frank Grunthaner
  Thu, 30 Aug 2001 14:01:43 EDT
  ...The full throttle switch will trigger the ECU to generate an open loop operation (bypasses the O2 sensor input) and goes to a preprogrammed...
• Re: 85 Vangon revs drops, revs drops, revs drops, and then dies after a few minutes of this cycle
  Historical mailing list - David Beierl
  Mon, 24 Jan 2011 23:57:03 -0500
  ...if it's designed and built to have idle switch contact at zero throttle.. >that's how we should repair and adjust them. Oh...
• Re: Weird bucking
  Historical mailing list - Karl Wolz
  Thu, 29 Jan 2004 11:27:40 -0700
  Sounds like a throttle position switch needs adjusting. It's more noticeable in lower gears due to the increased leverage. Karl Wolz > Subject: Weird...
• Re: Jerks/surges when going from coasting to acceleration
  Historical mailing list - Martin Jagersand
  Sat, 21 Apr 2007 13:52:56 -0600
  ...may have a problem with the throttle > switch sticking. You can unplug the connector from the switch harness > and see if it helps. > Mark...
• Re: The two throttle valve switches, redux
  Historical mailing list - Geza Polony
  Wed, 26 Sep 2007 14:50:51 -0400
  ...When testing pin 4, first actuate the throttle from idle to WOT, and then try to simulate engine vibrations by pushing the switches and...