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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 9+: 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: leaking fuel hoses
    Historical mailing list - Dennis Haynes
    Mon, 16 Jul 2012 18:33:31 -0400
    ...As for the sticking throttle switch causing a surge off idle that is it's job. What is happening is that as engine speed...
  • unstable idle
    Historical mailing list - James Digennaro
    Tue, 4 Feb 1997 19:29:31 -0500 (EST)
    ...There are two switches on the throttle body, one is a full throttle enrichment switch the other cuts the fuel when decelerating. When the...
  • Re: Won't accelerate
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 5 Nov 2011 14:06:04 -0700
    if the throttle switch is making contact at idle, and the throttle is a little far open when it clicks off .. say at 10...
  • throttle position sensor was-bucking in parking lots
    Historical mailing list - David Clarkson
    Wed, 19 Nov 2008 11:01:14 -0500
    ...Try searching TPS (throttle position switch) in both places and you will get lots of information. I believe early '84 have two switches (like...
  • Re: Engine Twitch
    Historical mailing list - Dennis Haynes
    Fri, 6 Sep 2002 06:27:26 -0400
    Could be a miss-adjusted or defective throttle switch. If the switch is closed with the throttle open, you are going into fuel cut0offabove...
  • Geo Metro - AC switch?
    Historical mailing list - Austin
    Sat, 12 Dec 1998 22:52:53 -0800
    ...bout a vacuum switch (nc) to break the lead to the AC clutch - full throttle=low vacuum=connection broken; less throttle='some' vacuum=connection...
  • Re: Find the gremlin in my 2.1L engine, and get a cash prize
    Historical mailing list - Mark Drillock
    Mon, 5 May 2003 07:49:28 -0700
    ...This has an indicator LED for the throttle switch and makes it obvious when the switch is faulty in some way. Mark Hahn Rossman...
  • Re: Throttle switch confusion
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Thu, 2 Jul 2015 21:35:11 -1000
    ...That puts the throttle switch towards me and the cam on the > end of the throttle shaft away from me. On 5he plate above...
  • Re: High noon at the Maryland emissions station
    Historical mailing list - Sudhir Desai
    Fri, 23 Jun 2006 00:48:03 -0400
    ...From the late 85 , to a > 84 throttle ,with two throttle switches. I understand that this throttle has > a slightly smaller throat than the...
  • Re: '88 GL intermittent ignition miss (update)
    Historical mailing list - mark drillock
    Thu, 21 Nov 2013 12:15:57 -0800
    It is good to have a working throttle switch but I doubt it will fully solve your symptoms. It primarily is needed to tell...
  • Re: still high idle and rough running at star-up
    Historical mailing list - Edward Duntz
    Sun, 30 Dec 2007 21:59:29 -0500
    > Ed,> That idle position switch is a touchy adjustment. Can you hear it clicking > when you open and close the throttle?> Ken Lewis> http...
  • leaking fuel hoses
    Historical mailing list - William
    Mon, 16 Jul 2012 15:59:56 -0600
    ...Why does the engine RPM change rapidly when the idle switch sticks and the throttle is opened? The symptom of RPM changing had me...
  • Re: Repost on Smog
    Historical mailing list - Gerald Skerbitz
    Mon, 18 Dec 1995 21:43:30 -0600 (CST)
    ...Throttle valve/deceleration/idle switch. It's designed so that if you have your foot off the gas (or it thinks you do) and...
  • Re: Idle Problem 1987 2.1 Van Automatic
    Historical mailing list - Evan Mac Donald
    Sun, 11 Nov 2007 09:58:23 -0800
    No, really, you have two quick places to look - at the throttle plate / body, and at the idle / WOT switch. If the throttle plate...
  • Re: Throttle switch
    Historical mailing list - Chuck Mathis
    Fri, 9 Mar 2001 14:52:52 EST
    ...I believe both of these events can be attributed to an improperly adjusted throttle switch -- I brain-farted and set it at .02" instead...
  • Re: throttle body fun
    Historical mailing list - Tom Hargrave
    Sun, 9 May 2010 23:18:14 -0500
    ...the switch close properly. > When I adjust 'em, I check about 6 times that ever time the throttle > is released, the switch closes. check...
  • Re: Throttle Valve Switch
    Historical mailing list - Jonce Fancher
    Wed, 14 Sep 2005 22:19:07 -0400
    ...It has >the two throttle switches. >If you are going to keep the van, plan on replacing everything that is >involved with fuel, air...
  • Re: idle microswitch
    Historical mailing list - Dennis Haynes
    Thu, 14 Nov 2013 22:01:54 -0500
    ...After the engine is warm enough to go "closed loop" (O2 sensor control) the closed throttle switch turns off the injectors when the engine...
  • Re: 87 Van Bucking (Solution...?)
    Historical mailing list - Stuart MacMillan
    Thu, 10 Feb 2000 14:26:36 -0800
    ...You won't have problems under acceleration or heavy throttle pressure because the switch opens then, but not at light throttle cruising when it...
  • Re: Throttle Body Switch Cam
    Historical mailing list - Neil N
    Thu, 30 Mar 2017 08:16:53 -0700
    ...a good used throttle body for a 2.1L, or if anyone can > source me the little throttle body switch cam that would be...
  • Re: [WetWesties] 87 Westy running poorly
    Historical mailing list - Pat Callaghan
    Tue, 20 May 2003 07:00:05 -0700
    ...sensor > Throttle switch > Idle stabilizer system > > At Operating Temperature; > > Fuel system ( pressure, volume ) > Throttle switch > Ignition system > Idle stabilizer System > > At Full Throttle; > Fuel...
  • Re: AFM issues
    Historical mailing list - Paul Wyand
    Mon, 3 Oct 2005 15:43:29 -0400
    ...Actually I am suspecting that the throttle closed switch was adjusted with the crud in there as a shim because it is now occasionally...
  • Rough running, now won't start
    Historical mailing list - developtrust
    Mon, 31 Mar 2003 15:31:24 -0800
    ...While cleaning the throttle valve switch with a blast of water from my hose in preparation for checking it, I recalled that once before...
  • Re: Why doesn't fuel shut off?
    Historical mailing list - Dennis Haynes
    Tue, 30 Oct 2007 00:19:31 -0400
    ...throttle idle position switch and rpm. But when going downhill in gear, foot off gas as indicated by dark LED, and with the transmission...
  • Re: Looking for new TBS # 067906028 (was Idle Surge)
    Historical mailing list - David Beierl
    Wed, 7 Aug 2013 10:15:12 -0400
    ...Throttle Position Sensor, and some people on the list have recently started using it inaccurately for our closed-throttle/Wide-Open-Throttle switches. I...
  • Throttle Switch and Failure to Start.
    Historical mailing list - John Rodgers
    Sun, 19 Apr 2015 19:02:49 -0500
    ...The thottle switch light failed to lite up, signifying I had a throttle switch problem. I had a look at it and realized I...
  • Full throttle switch
    Historical mailing list - Patrick Callaghan Jr.
    Wed, 2 May 2001 07:02:34 -0700
    ...I have no power coming to the full throttle switch. I have pulled the harness off of the ECU & checked continuity from the plug...
  • Throttle switch
    Historical mailing list - John Rodgers
    Sat, 11 Jul 2015 11:45:23 -0500
    Finally got the switch in, adjusted, and all is well with the world. My thanks to all for the help and suggestions in getting...
  • 2.1 wbx Compression Test
    Historical mailing list - Neil N
    Thu, 4 May 2017 16:08:33 -0700
    ...all cylinders 120 PSI. (throttle valve switch was DIS-connected though. I smelled fuel. Maybe fuel washed down the cylinders?) Engine warm, bottom of...
  • Re: throttle position switch (modified)
    Historical mailing list - Chuck Mathis
    Tue, 14 Aug 2001 08:51:05 EDT
    ...throttle position switch (modified) > > Having looked again at my Bentley's, I see that the adjusting > mechanism appears to come off with a lower...
  • Re: 2.1 High idle/stumbling when engine cold
    Historical mailing list - Kenneth Wilford
    Fri, 21 Dec 2007 12:42:30 -0500
    ...This switch is located below the throttle body on 85-92 Vanagons and most folks don't even know that it exists. However if...
  • Bride of RapidIdle
    Historical mailing list - Jon B Kanas
    Mon, 5 Feb 2001 15:39:52 -0700
    ...Sensor inexpensive and replace next warm opportunity; also checked idle switch on throttle body and pulled and cleaned idle air solenoid valve. All connections...
  • Re: High idle - throttle position switch
    Historical mailing list - Dennis Haynes
    Sat, 6 Aug 2011 09:37:19 -0400
    ...High idle - throttle position switch > > Shawn, that is kind of normal for a switch to ohm out with a minute > resistance. Try unplugging your...
  • 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: Hesitation off idle, throttle body issues?
    Historical mailing list - Kevin Duvernay
    Mon, 12 Jan 2015 16:14:55 -0600
    ...On Mon, Jan 12, 2015 at 4:12 PM, Neil N <musomuso@gmail.com> wrote: > > Neil, > > > > Was that throttle body and switch easy to...
  • Re: Orphan Wire Needs Help
    Historical mailing list
    Tue, 28 Mar 2000 17:35:42 EST
    Bud this is the plug that hooks into the throttle position switch plug which is supposed to be mounted on your air intake. If...
  • Re: FW: Idle Control Issues
    Historical mailing list - Scott Ohana
    Fri, 19 Jul 2013 16:31:03 -0700
    ...Turned out to be the throttle position switch was > out of adjustment and wasn't indicating closed throttle. When I'd tap the > pedal...
  • Subtle changes in 85GLs with in 5 month production dates
    Historical mailing list - Walter Evens
    Thu, 21 Feb 2002 08:15:43 -0800
    My 85GL produced in 9/84 has the two switches on the throttle body and no ground to the bottom starter bolt. My 85GL...
  • Throttle Switch Adjustment Screw
    Historical mailing list - van man
    Wed, 17 Apr 2002 09:17:18 -0700
    ...I bought a new Throttle Switch, but of course it didn't come with the adjustment screw. Does anyone know where I can get...
  • Re: High Idle 1987 GL
    Historical mailing list - Mathieu Bertrand
    Sun, 20 Jan 2002 23:09:15 +0000
    ...Although my throttle was closed, the >little extra "oomph" would close the idle switch. The other way to try >to see if this is...
  • Re: erratic running - Help requested
    Historical mailing list - David Beierl
    Sun, 13 Jun 1999 12:48:41 -0400
    ...Sounds like a stuck idle switch on the throttle body. Up to '84s have two switches in plain sight, later ones have one switch...
  • Vanagon jerking in stop and go traffic
    Historical mailing list - Bruno Walser
    Sun, 21 Mar 1999 20:15:48 -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: does aux air reg affect idele after warm up 1.9
    Historical mailing list - Scott
    Mon, 9 May 2016 14:19:15 -1000
    ...the 85 1.9 has the '2.1 style throttle switch' ...mounted on the underside of the throttle body. if the allen screw and...
  • Re: Vanagon Stalling Out While Driving
    Historical mailing list - Dan N
    Mon, 14 Apr 2025 16:24:40 -0700
    ...The problem turned out to be the throttle position > switch. This switch is located on the underside of the throttle body, it > tells the...
  • Throttle Valve Switch: What the...?
    Historical mailing list
    Thu, 25 Oct 2007 14:05:21 -0400
    ...The aforementioned throttle valve switch, after all of my loving care, took a complete crap on me. The switch doesn't click on at...
  • Re: Bouncing idle......
    Historical mailing list - Karl Mullendore
    Fri, 11 Feb 2000 08:38:42 -0500
    Check that the idle switch on the throttle body is operational. With engine turned off, you should hear an audible 'click' when moving the...
  • Re: sluggish on take off
    Historical mailing list - Jonce Fancher
    Sat, 22 Oct 2005 16:30:41 -0400
    ...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: Throttle body question-Throttle switch!
    Historical mailing list - George Laubach
    Sat, 14 Jun 2014 07:49:28 -0400
    ...Throttle body question-Throttle switch! > > > No, seems I was right the first time. Checked the website, says it works on > all wbx from 85...
  • 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: Weird bucking
    Historical mailing list - Damon Campbell
    Thu, 29 Jan 2004 11:56:53 -0800
    According to the digitool which has a little LED showing when the throttle position switch (TPS) is activated, things are operating where they should...
  • Throttle Valve Switch
    Historical mailing list - Marlan Blair
    Wed, 14 Sep 2005 19:26:51 -0400
    ...After hours of pouring thru the bently manual, I deduced that the square plastic switches that ride next to the throttle body, and clearly...
  • Re: Idle Surge
    Historical mailing list - Bryan Feddish
    Mon, 5 Aug 2013 17:57:04 -0400
    >> Check with your meter that the closed-throttle switch opens (voltage on the line goes up to ~5 V) when you open the throttle...
  • Re: Throttle body question-Throttle switch!
    Historical mailing list - Karl Wolz
    Fri, 13 Jun 2014 21:04:47 -0700
    ...Bell <albell@shaw.ca> wrote: > > I think tencentlife had a vacuum switch out before GW did. I thought about buying his but stalling as...
  • Lunch with Bentley
    Historical mailing list - Dave Kautz
    Mon, 21 Nov 94 14:07:08 PST
    ...First of all, what I said earlier about the throttle switch enriching the mixture was correct ONLY if you have a fuel injected bus...
  • Surging between 1700 and 3000 rpm
    Historical mailing list - mordo
    Sat, 31 Mar 2007 12:15:46 -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: Burning Buses
    Historical mailing list - Shawn Wright, SMUS Network Analyst
    Tue, 26 Mar 1996 10:24:52 PDT
    ...breifly (didn't start it), before I remembered to check the throttle switch setting. The key was on for maybe 5 seconds during which...
  • Re: 1.9l vs. 2.1l throttle body?
    Historical mailing list - Dennis Haynes
    Sun, 12 Dec 2010 10:50:21 -0500
    ...The earlier 1.9 also has two separate switches for closed and full throttle. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry...
  • Re: Won't stay running below 2,500 RPM
    Historical mailing list - Dan N
    Sat, 3 Mar 2018 01:32:00 -0800
    throttle body switch?
  • Re: Compression braking & Power Loss
    Historical mailing list - Mike Frost
    Tue, 21 Feb 2006 14:17:46 -0800
    Have you checked the throttle position switch?
  • Re: Misfire when coasting?
    Historical mailing list - David Beierl
    Thu, 30 Jun 2011 09:38:27 -0400
    ...In particular, with a typical worn throttle body the switch may behave differently with the engine running, so you really have to do your...