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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 8+: 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: Idle gremlins still at play
    Historical mailing list - OlRivrRat
    Wed, 11 Aug 2021 19:30:01 -0600
    ...Throttle while @ same time Having Idle Position Switch Stay in Idle Position ~ This, of course, would suggest, that if IPS is out of adjustment...
  • Re: accelerator/throttle cable
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 29 Aug 2008 13:02:55 -0700
    ...throttle body can be achieved with the gas pedal on the floor. Every last vanagon on the road needs this simple lube/service/adjustment...
  • Re: Cold weather issue - super high idle
    Historical mailing list - Eric Caron
    Mon, 13 Nov 2023 15:34:18 -0500
    ...Again) <kenwilfy@COMCAST.NET> wrote: >> >> Check, throttle position switch adjustment. Test switch electrical >> operation. If the switch is good, then most likely the idle...
  • Re: Find the gremlin in my 2.1L engine, and get a cash prize
    Historical mailing list - Hahn Rossman
    Mon, 5 May 2003 07:32:01 -0700
    ...broken throttle position switch. Its relatively easy to check if its working properly see your Bentley. Its important to note that the adjustment is...
  • Re: Powerwashing FAIL
    Historical mailing list - Jake de Villiers
    Sun, 24 Jan 2010 09:06:01 -0800
    ...mordo <helmut.blong@gmail.com> > > > I think that your Throttle Position switch is wet. I had this happen to me. > For some reason the...
  • Re: engine dying while driving
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 27 Mar 2011 18:37:19 -0700
    ...no contact at idle from the throttle switch .. and an exhaust leak near the oxygen sensor. but those 3 simple things fixed it. and...
  • Re: Engine hesitates upon take off
    Historical mailing list - John Rodgers
    Mon, 15 Jun 2015 10:18:17 -0500
    ...The fact that I get no lights for the throttle position on the momitor tells me the throttle switch is out of adjustment. I...
  • Re: No idle when engine cold
    Historical mailing list - OlRivrRat
    Fri, 24 Apr 2020 08:44:10 -0600
    ...Have you >>>> checked the idle adjustment (bypass screw on throttle body)? I >>>> recall having similar symptoms when mine was set too low (screw damaged...
  • Re: Tune Up Poll
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Thu, 18 Feb 2016 13:39:41 -1000
    ...However... "It's NOT the parts ! ..it's the adjustments." for sure ...throttle switches fail to make contact after a while. Most that I...
  • Re: temp sensors?
    Historical mailing list - Larry Alofs
    Tue, 14 Jul 2009 21:16:11 -0500
    ...turbovans.com> wrote: > >> adjustment of the throttle switch pops to mind. >> those get off ......I find them out of adjustment 'usually' even. >> I find...
  • Re: Replacing FI with Carbs on WBX 2.1L
    Historical mailing list - Keith Hughes
    Fri, 6 Mar 2009 10:00:39 -0700
    ...did switch over to a progressive Solex 2bl on a 2.0L air cooled in a '78 Westy. Never liked the throttle response, had...
  • Re: Euro-Drive: 88 Volkswagen Vanagon, Poor-idle
    Historical mailing list - Darrell Boehler
    Tue, 12 Dec 2000 09:33:05 -0600
    ...Throttle switches were bad so we > replaced them. Idle controll motor and controll unit have > been replaced with known good unit. The ECU has...
  • Re: No idle when engine cold
    Historical mailing list - Dan N
    Sat, 25 Apr 2020 09:21:48 -0700
    ...Have > >>>>> you checked the idle adjustment (bypass screw on throttle body)? I > >>>>> recall having similar symptoms when mine was set too low (screw > damaged...
  • Re: '88 Vanagon poor idle when engine is first started
    Historical mailing list - Max Wellhouse
    Wed, 23 Apr 2014 15:36:00 -0500
    ...there's als oa tricky throttle positioning switch adjustment on the front bumper side of the throttle body(a bit hard to access). Check...
  • Re: Not passing smog, still... Need help!
    Historical mailing list - G. Matthew Bulley
    Thu, 22 Aug 2002 21:55:29 -0400
    ...it should stay continuity until the throttle is open that far. The adjustment is the two allen screws below the throttle body housing. ONe...
  • Re: Not passing smog, still... Need help!
    Historical mailing list - Dennis Haynes
    Sat, 24 Aug 2002 22:39:54 -0400
    ...Checked the throttle switch, OK. I have performed the test and adjustments for the idle/C0 per Bentley and M. Keller (sort of a...
  • Re: AFM failure
    Historical mailing list - Alistair Bell
    Thu, 16 Apr 2020 16:43:58 -0700
    ...I used to get inconsistent part/trailing throttle smoothness which I had put down to bad throttle position switch and or setting. I’ve...
  • Timing
    Historical mailing list - Dan Erlandson
    Sat, 16 Nov 2002 15:20:34 -0500
    ...I haven't yet verifies that my throttle valve switch is working correctly... I'll break out my multimeter later tonight. Any thoughts would...
  • Cold Idle Diagnosis (1.9L)
    Historical mailing list - Michael Diehr
    Tue, 22 Jun 2004 11:46:22 -0700
    ...Test the throttle-closed switch. It should be closed when the throttle is closed, but open with just the slightest bit of throttle. 8...
  • Re: Replaced Fuel Injection Lines - Now Rough Low Idle '87 GL
    Historical mailing list - Robert Keezer
    Mon, 8 Apr 2002 23:07:00 -0700
    ...that I may have bumped that could cause this (Would the throttle switch show this symptom if misaligned??). Any help will be greatly appreciated...
  • Re: Van Stalls Easily when totally cold.
    Historical mailing list - pickle vanagon
    Sun, 21 Sep 2008 14:28:22 -0400
    ...So for example, if I back out the throttle adjustment screw, I can make the cold idle perfect. But then the warm idle will...
  • Re: accelerator/throttle cable
    Historical mailing list - Mike
    Sat, 30 Aug 2008 10:25:01 -0400
    ...throttle body > can be achieved with the gas pedal on the floor. > > Every last vanagon on the road needs this simple lube/service/adjustment...
  • Re: No idle when engine cold
    Historical mailing list - OlRivrRat
    Sat, 25 Apr 2020 18:47:29 -0600
    ...Have >>>>> you checked the idle adjustment (bypass screw on throttle body)? I >>>>> recall having similar symptoms when mine was set too low (screw damaged...
  • Re: Cold weather issue - super high idle
    Historical mailing list - kenneth wilford (Van-Again)
    Mon, 13 Nov 2023 18:30:54 -0500
    ...Again) < > kenwilfy@COMCAST.NET> wrote: > >> > >> Check, throttle position switch adjustment. Test switch electrical > >> operation. If the switch is good, then most likely the idle...
  • Re: Help-crazy bouncing idle
    Historical mailing list - Larry Alofs
    Sat, 29 Aug 2015 12:39:46 -0400
    ...I wouldn't mess with that until thoroughly checking/testing/adjusting the switch on the throttle body. Bentley 24.33-36 Larry A. On...
  • Re: Stuck at home (troubleshooting help needed)
    Historical mailing list - Scott Daniel - Shazam
    Wed, 16 Apr 2008 21:07:43 -0700
    ...Timing curve ? Throttle switch adjustment ? -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of BJ Feddish Sent: Wednesday, April...
  • cold run problems
    Historical mailing list - James Creech
    Wed, 22 Nov 2000 12:59:45 -0500
    ...within specs tests / adjustment (per Bentley) on throttle valve switch, idle speed control valve, air flow meter, temp 2 sensor (my testing on all...
  • Re: Wet weather power loss
    Historical mailing list - Helen Fahy
    Sat, 7 Apr 2001 06:15:34 -0400
    ...Shorted throttle switch should give rich mixture above some > rpm/throttle combination, severe surging below that but above 1500 > rpm. Open throttle switch will...
  • Remember that strange idle issue?
    Historical mailing list - The River Clan
    Fri, 5 Oct 2001 21:10:47 -0700
    ...The switch on the throttle 2. The idle adjustment valve. (That tube that humms on top of the engine) Well gang, check this one...
  • Re: It continues - Engine RPM Hunting 200-500 rpm
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 9 Oct 2010 18:32:46 -0700
    hi john, first, with engine off, open the throttle with your hand.....you should hear a click. If you do not, the throttle switch...
  • Vanagon tools and manuals (videos) FS.
    Historical mailing list
    Tue, 4 Mar 97 14:42:55 EST
    ...205 Vanagon-Basic Engine Adjustments $10.00 #208 Vanagon-Air Conditioner Servicing $10.00 #212 Vanagon Throttle Switch Adjustment $10.00 #216 Vanagon Camper...
  • Re: Tune Up Poll
    Historical mailing list - Tyler Hardison
    Sat, 20 Feb 2016 17:53:35 -0800
    ...However... > "It's NOT the parts ! ..it's the adjustments." > > for sure ...throttle switches fail to make contact after a while. > Most that I...
  • Re: '88 Vanagon Cruise Control question
    Historical mailing list - Ken Wilford
    Mon, 5 Mar 2012 09:31:46 -0500
    ...Usually I find that the problem is that one of the front vacuum switches at the pedals is out of adjustment. Check it with...
  • Re: Idle control system
    Historical mailing list - Steven Sittser
    Wed, 1 Aug 2012 15:47:20 -0400
    ...My *guess* is that with a really worn TB shaft, this issue > can be worse and can make TVS adjustment tough. Throttle body was...
  • Re: Tune Up Poll
    Historical mailing list - Tyler Hardison
    Thu, 18 Feb 2016 16:30:21 -0800
    ...However... > "It's NOT the parts ! ..it's the adjustments." > > for sure ...throttle switches fail to make contact after a while. > Most that I...
  • Re: Hello, new here. Mechanic question
    Historical mailing list - JRodgers
    Fri, 14 Feb 2014 18:25:28 -0600
    ...the Throttle body - it has a switch on it and it can easily be adjusted by just removing the whole throttle body from the...
  • Re: Hello, new here. Mechanic question
    Historical mailing list - JRodgers
    Fri, 14 Feb 2014 18:25:44 -0600
    ...the Throttle body - it has a switch on it and it can easily be adjusted by just removing the whole throttle body from the...
  • Re: No idle when engine cold
    Historical mailing list - OlRivrRat
    Sat, 25 Apr 2020 12:37:16 -0600
    ...Have >>>>>>> you checked the idle adjustment (bypass screw on throttle body)? I >>>>>>> recall having similar symptoms when mine was set too low (screw >> damaged...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - jon
    Wed, 14 Feb 2007 13:53:12 -0800
    ...hesitation at the very beginning of the throttle (just past > the point where the throttle position switch disengages). This hesitation > can result in the...
  • No cold start and the shaft from the shop (long)
    Historical mailing list - Jim Gregory
    Thu, 16 Jan 2003 16:59:04 EST
    ...I ran the pin test on the ECU harness, checked timing, tightened all clamps for vacuum leaks and, checked the throttle positioning switches. Still...
  • Re: Not passing smog, still... Need help!
    Historical mailing list - Dennis Haynes
    Thu, 22 Aug 2002 21:19:07 -0400
    ...it should stay continuity until the throttle is open that far. The adjustment is the two allen screws below the throttle body housing. ONe...
  • Re: HELP! Super high idle!
    Historical mailing list - Greg Marshall
    Fri, 21 Dec 2001 10:01:55 -0500
    ...My first thought was that > the throttle cable or switch was stuck. I checked, and that wasn't the case. > Where do I go...
  • European ebay find, would this really work?
    Historical mailing list - robertmstewart
    Wed, 14 Dec 2005 00:32:24 -0500
    ...Enhance Nm, throttle response, acceleration and low end torque. Preserves smog certification. Pushes up acceleration and dynamism by upto 15 %. Results higher top speed...
  • Re: Fuel Injectors/Oil Cooler Leak
    Historical mailing list - Chris S
    Sat, 14 Nov 2009 22:37:29 -0500
    ...completely rebuilt ones?? I was reading about the throttle > valve switch being out of adjustment and possibly just bad, could this > be the culprit...
  • cruise control troubleshooting
    Historical mailing list - David Clarkson
    Wed, 6 Feb 2008 16:54:58 -0500
    If the vaccum lines check out as well as the bellows then check your clutch and brake switches for proper functioning and adjustment. I...
  • Throttle Body - High Idle - (Dare I say?) Issue Resolved! (85 1.9l)
    Historical mailing list - Tyler Hardison
    Fri, 10 Jul 2015 09:40:23 -0700
    ...Carefully slide the switch off. There is a concentric cam that is for adjustment of the idle switch. It is tiny and lost easily...
  • Re: accelerator/throttle cable
    Historical mailing list - Max Wellhouse
    Fri, 29 Aug 2008 19:51:35 -0500
    ...throttle body >can be achieved with the gas pedal on the floor. > >Every last vanagon on the road needs this simple lube/service/adjustment...
  • Re: Tune Up Poll
    Historical mailing list - Tyler Hardison
    Thu, 18 Feb 2016 16:56:11 -0800
    ...However... >> "It's NOT the parts ! ..it's the adjustments." >> >> for sure ...throttle switches fail to make contact after a while. >> Most that I...
  • Re: AFM failure
    Historical mailing list - Alistair Bell
    Thu, 16 Apr 2020 19:56:57 -0700
    ...I used to get inconsistent part/trailing throttle smoothness which I had put down to bad throttle position switch and or setting. I’ve...
  • Re: Engine hesitation in the afternoon, No problem in the morning
    Historical mailing list - Ken Wilford
    Sat, 25 Jun 2005 09:37:15 -0400
    It sounds like the throttle position switch is just barely out of adjustment. I have had this problem before and couldn't figure it...
  • Re: Idle stabilization control question
    Historical mailing list - John Rodgers
    Sat, 10 Mar 2007 07:13:30 -0600
    ...and checked throttle position switch >> -cleaned idle stabilzation control valve with carb cleaner and >> verified that its humming away. >> -cleaned throttle valve >> -new O2...
  • Re: 84 Vanagon GL Intake Air sensor?
    Historical mailing list - Old Volks Home
    Thu, 4 Oct 2007 00:20:41 -0700
    ...its connections, > Any air leaks anywhere, > Throttle switch adjustment. > Air idle screw adjustment > Air flow meter CO adjustment screw > Oxygen sensor performance, > Anything to...
  • Re: My Westfalia has a "frog-powered" engine - HELP!
    Historical mailing list - kenneth d lewis
    Fri, 11 Dec 1998 08:46:23 EST
    Marshall; The first thing I would check is the idle switch adjustment. If the idle stop was adjusted the idle switch setting was probably...
  • Re: Right turn into driveway kills engine (1.9L '84 2-WD)
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 16 Jul 2011 18:30:35 -0700
    ...throttle switch making contact at zero throttle.. oxygen sensor, and 02 sensor wiring .. on and on. ground connections etc. I would look for it...
  • Re: Accelerator linkage is sticky..
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 16 Nov 2010 11:15:10 -0800
    ...check the throttle shaft for wear. > > And the old answer has to be put in here, check adjustment of > throttle position switch. > > alistair > > > > On...
  • Fwd: Worse than Vanagon Syndrome
    Historical mailing list - Gil Ngai
    Thu, 13 May 2021 19:18:52 -0600
    ...Run Engine; Move Throttle to change Engine speed - Engine hesitates/stumbles immediately above idle, change in signal from Throttle Idle Switch, and at partial...
  • Re: Cold Start Chug and Warm Stumbling
    Historical mailing list - Chuck Mathis
    Thu, 22 Feb 2001 17:09:32 EST
    Before you yank your Temp II check the adjustment on your throttle position switches (an '84 probably has two -- one for idle and one...
  • Re: Tune Up Poll
    Historical mailing list - SDF ( aka ;jim lahey' - Scott )
    Sat, 20 Feb 2016 16:35:58 -1000
    ...However... >> "It's NOT the parts ! ..it's the adjustments." >> >> for sure ...throttle switches fail to make contact after a while. >> Most that I...
  • Re: No idle when engine cold
    Historical mailing list - Chris S
    Sat, 25 Apr 2020 12:17:37 -0400
    ...Have >>>>> you checked the idle adjustment (bypass screw on throttle body)? I >>>>> recall having similar symptoms when mine was set too low (screw damaged...
  • Re: Idle control system
    Historical mailing list - Dennis Haynes
    Wed, 1 Aug 2012 21:20:33 -0400
    ...My *guess* is that with a really worn TB shaft, this issue > can be worse and can make TVS adjustment tough. Throttle body was...