Search messages and discussions

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 3+: 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.

• idle problem - fixed
  Historical mailing list - Alistair Bell
  Mon, 16 May 2005 16:22:49 -0700
  ...All back together now and idle adjustment easy and previous symptoms gone. The throttle body and intake runners do get oily from the crankcase...
• Throttle switch adjustment Dilemma finally Figured out!!!
  Historical mailing list - Robert Lilley
  Mon, 29 Sep 2003 15:01:28 EDT
  I finally understood Bentley and how to adjust the throttle switch... I have been adjusting the switch opening gap from closed to open until...
• Re: digijet FI adjustments
  Historical mailing list - Brian Keese
  Sun, 9 Apr 2006 15:43:38 -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...
• Throttle switch
  Historical mailing list - John Rodgers
  Sun, 12 Jul 2015 19:10:03 -0500
  ...The switch cam adjustment point was boogered so I opted for a new one. Adjusting the switch was a bit of a mystery to...
• Re: Rough Cold Start
  Historical mailing list - Ken Lewis
  Wed, 14 Dec 2005 19:14:58 -0500
  ...Somehow the new throttle position > switch got out of adjustment and was not "on" at idle. After making a > minute adjustment, all was fine...
• Rough Cold Start
  Historical mailing list - Keith Ovregaard
  Thu, 8 Dec 2005 19:38:18 -0800
  ...Been through about every adjustment and tested/replaced parts except that I never touched the CO adjustment. I did install a new throttle switch...
• Re: tools for adjusting throttle switch
  Historical mailing list - Karl Wolz
  Fri, 9 Mar 2001 13:21:53 -0700
  ...tools for adjusting throttle switch > You need to remove the throttle body with switch to adjust it, trust me > on this, and have a...
• Re: Throttle stop switch? Stumbles on resume throttle..
  Historical mailing list - neil n
  Sun, 10 Mar 2013 15:13:44 -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: Throttle switch adjustment Dilemma finally Figured out!!!
  Historical mailing list - Eric Zeno
  Mon, 29 Sep 2003 15:11:28 -0400
  ...Eric Robert Lilley wrote: >I finally understood Bentley and how to adjust the throttle switch... > >I have been adjusting the switch opening gap from...
• 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...
• Re: vanagon Digest - 29 Sep 2003 - Special issue (#2003-963)
  Historical mailing list - Chuck Mathis
  Mon, 29 Sep 2003 18:49:58 -0500
  ...Throttle switch adjustment Dilemma finally Figured out!!! > > Have you replace the switch and plastic cam with the > updated parts? This may help. > Eric > > Robert...
• Re: Surging at Idle (2.1 Digifant)
  Historical mailing list - Justin B. Jensen
  Tue, 16 Sep 1997 16:58:20 -0700
  ...Check the adjustment and operation of the throttle switches, namely the throttle-closed switch. While you are at the throttle body, check for excessive...
• Re: Throttle valve switch, checking/adjusting
  Historical mailing list - Dennis Haynes
  Sun, 10 Apr 2005 08:34:47 -0400
  The surging at idle is actually a sigh the throttle switch is working. If it wasn't closed when the throttle is closed the...
• decreased mileage problem solved!
  Historical mailing list - Mark McCulley
  Sat, 13 Jun 1998 21:32:17 -0700
  ...The problem was an adjustment I made to the throttle switch because it was not closing at idle sometimes. After readjusting the switch to...
• Re: Throttle stop switch? Stumbles on resume throttle..
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 10 Mar 2013 16:08:51 -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: Idle Stabilizer Valve - Later UPDATE: problem *NOT* solved!
  Historical mailing list - Robert Keezer
  Wed, 24 May 2006 11:54:31 -0700
  ...Quoting Robert Keezer : > Did you check the idle switch adjustment? It should click twice, once when at > full throttle and once returning to closed...
• Re: On being well grounded
  Historical mailing list - John Haddad
  Sat, 9 Jun 2001 15:25:18 -0400
  ...I believe that cleaning the grounds really well and fine tuning the throttle switch did the trick. I took a flat file and removed...
• Re: Won't idle when cold ...
  Historical mailing list - Tim Demarest
  Thu, 4 May 2006 12:09:56 -0400
  ...throttle plate and the throttle body can interfere with proper switch operation. Just something to try before making finicky adjustments or buying new switches...
• Re: idle/full throttle switch replacement
  Historical mailing list
  Fri, 7 Aug 1998 02:02:46 EDT
  ...or is it the switch itself? Why do you think it has failed, as opposed to being in need of adjustment? Regards, Jim Davis
• Re: 1.9 loss of power
  Historical mailing list - Roger Sisler
  Tue, 26 Jul 2005 11:04:35 -0400
  ...The Bently has the proceedure for a multimeter test.Check the throttle switch for proper adjustment(.004). Does the switch click on just off...
• Re: Throttle position switch location
  Historical mailing list - Raul Cisneros
  Tue, 22 Feb 2000 17:26:05 EST
  ...the cam lobes get dirty and the switch may not turn on and off correctly. The adjustment is simple- no dissassembly required-just loosen...
• Re: High Idle Solution!
  Historical mailing list
  Wed, 6 Feb 2002 10:52:32 EST
  ...9 times out of 10 you don't need a switch just an adjustment or the $6 plastic cam that goes under the throttle...
• Re: Digitool test results--no throttle switch LED at idle
  Historical mailing list - David Beierl
  Thu, 2 Oct 2008 19:15:58 -0400
  At 06:53 PM 10/2/2008, Jim Felder wrote: >How do I get to this switch? It/they are on the throttle body...
• Re: throttle switch
  Historical mailing list - Neil
  Mon, 11 Jan 2021 13:22:51 -0800
  The '85 1.9 can have either 2 separate switches or "single" switch (same as used on a 2.1) located under the throttle...
• Re: throttle switch
  Historical mailing list - Jack R
  Mon, 11 Jan 2021 17:31:26 -0500
  ...Following the idle switch testing procedure posted by Ken at VanAgain, I found a problem with the low throttle switch. With the engine off...
• Re: 2.l idle issues continued
  Historical mailing list - John Rodgers
  Sun, 10 Feb 2002 22:22:19 -0600
  ...vac leaks none present > > Switched on A/c car died. > > When i turn the idle adjustment screw on the throttle body NOTHING happens..whether...
• TJ Hannink does it again! Throttle Switch Adjustment
  Historical mailing list - John Rodgers
  Sat, 20 Aug 2011 23:24:26 -0500
  ...The throttle switch adjustment is extremely important, is as easy as falling off a greased log (well, almost) and therefore each of us should...
• Re: 86 Syncro 2.1 surging at 2K rpm no load
  Historical mailing list - neil n
  Thu, 24 May 2012 12:06:46 -0700
  ...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: Throttle switches on 1.9 WBX
  Historical mailing list - Karl F. Bloss
  Fri, 14 Apr 2000 11:25:07 -0400
  ...I'll let him know. -Karl B > In 1985 the switch configuration was changed. Instead of two switches on > top of the throttle body...
• Auto Transmission Trouble...
  Historical mailing list - jesse and monica
  Mon, 1 Sep 2003 21:51:06 -0400
  ...The only other things that i ran into is my throttle position switch is toast. It always has continuity...idle...part throttle and full...
• Re: O2 sensor stuff
  Historical mailing list - Chuck Mathis
  Wed, 7 Mar 2001 11:22:48 EST
  ...to a poorly adjusted throttle position switch. Karl Wolz< I agree, Karl. Except, I did a very careful adjustment using my trusty multi-meter...
• Re: sluggish on take off
  Historical mailing list - Roger Sisler
  Sat, 22 Oct 2005 16:19:56 -0400
  ...Clogged fuel filter.Low fuel pressure.Vacuum hose disconected.Dirty air filter?Throttle switch in need of adjustment?
• 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...
• Re: FW: Idle Control Issues
  Historical mailing list - Zeitgeist
  Fri, 19 Jul 2013 16:13:12 -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...
• Re: Throttle Switch and Failure to Start.
  Historical mailing list - Stuart MacMillan
  Sun, 19 Apr 2015 17:34:40 -0700
  It should still start without the TB switch. Mine did when it was completely out of adjustment. But anyway, the better way is to...
• Re: Throttle stop switch? Stumbles on resume throttle..
  Historical mailing list - Robert Keezer
  Sun, 10 Mar 2013 14:18:16 -0700
  ...Just like the WBX engine, the throttle switches need to be checked for adjustment periodically. Should read zero Ohms at closed throttle, infinite ohms...
• Re: throttle switch
  Historical mailing list - OlRivrRat
  Mon, 11 Jan 2021 23:06:12 -0700
  ...There could be other > causes. > > The switch should also click when throttle turned to WOT (wide open throttle). > > Corrosion, dirt at switch adjusting parts...
• 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: Hi idle, No deceleration
  Historical mailing list - Kenneth Lewis
  Wed, 25 Mar 2009 09:16:14 -0400
  ...the adjustment on the idle position sensor. Follow the Bentley procedures closely. Make sure the switch actuates every time. Wear inside the throttle body...
• Re: does aux air reg affect idele after warm up 1.9
  Historical mailing list - Scott
  Mon, 9 May 2016 14:19:15 -1000
  ...Check and adjust my throttle switch regularly, > because regularly its adjustment needs tweaking. Its easy to do, and means > a lot. In my case...
• Re: throttle switch
  Historical mailing list - David Boan
  Mon, 11 Jan 2021 21:46:18 +0000
  ...The switch should also click when throttle turned to WOT (wide open throttle). Corrosion, dirt at switch adjusting parts, excessive wear between throttle shaft...
• hi/low idling on '87 2.1L
  Historical mailing list - Richard C Welsh
  Thu, 6 Jan 2000 18:12:51 -0500
  ...Hmm....is there a missing piece here? is mine out of adjustment? what does this throttle valve swich do anyway? -has anyone ever done...
• Problem with 2.1L FI
  Historical mailing list - Vanagon Man
  Sat, 9 Feb 2002 15:51:29 -0500
  ...Checked throttle position switch...........now is set correctly Switched idle stabilizer relay with another...same result. Swapped idle stabilizer valve with another...same result...
• Surging between 1700 and 3000 rpm
  Historical mailing list - mordo
  Sat, 31 Mar 2007 12:15:46 -0400
  ...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: 85 Digijet throttle switches -- information please
  Historical mailing list - Chuck Mathis
  Tue, 29 Jun 2004 18:09:06 -0500
  Kyle; I doubt you need to replace the throttle assembly. Probably a problem with the switch. You can order these from one of the...
• Re: 85 Digijet throttle switches -- information please
  Historical mailing list - Michael Diehr
  Tue, 29 Jun 2004 15:43:13 -0700
  ...85 Digijet throttle switches -- information please > >Hey, I was trying to figure out why my Vanagon has suddenly decided to >start idling at approximately...
• Re: Low RPM drift/surge, what is it?
  Historical mailing list - ERIC ZENO
  Mon, 25 Nov 1996 23:47:37 -0500 (EST)
  ...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: throttle switch
  Historical mailing list - Dan N
  Mon, 18 Jan 2021 12:47:10 -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: tools for adjusting throttle switch
  Historical mailing list - Larry Alofs
  Fri, 9 Mar 2001 17:21:41 -0600
  ...tools for adjusting throttle switch > > > You need to remove the throttle body with switch to adjust it, trust me > > on this, and have a...
• Re: high idle when hot
  Historical mailing list - Mike Collum
  Mon, 21 Jul 2008 12:39:05 -0400
  It "Could" be that your throttle position switch is right on the edge of proper adjustment. If my TPS doesn't make at idle...
• Re: throttle switch
  Historical mailing list - Bruce Todd
  Mon, 18 Jan 2021 14:25:16 -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: Failed emission test
  Historical mailing list - David Beierl
  Wed, 1 Jun 2011 12:46:40 -0400
  ...Also may be that the idle switch adjustment is on edge. In fact that would be my first suspicion. The 2.1l won't...
• Re: Idle at 1900 rpm
  Historical mailing list - Cooper, Jonathan R.
  Thu, 30 Nov 2000 09:14:52 -0500
  ...If the switch is working properly then I would check the adjustment of your idle air screw (on throttle body) and then vacuum lines...
• Re: O2 sensor problems
  Historical mailing list - Craig Oda
  Wed, 1 Sep 2004 08:37:48 -0700
  ...RC also suggested I adjust my throttle position switches. On the '83 digijet there are two idle position switches. I definitely know that one...
• Re: throttle switch
  Historical mailing list - Neil
  Mon, 11 Jan 2021 13:58:25 -0800
  ...It uses one switch to provide switching for off idle and WOT. Yes. Switch should click as throttle moves just off idle position then...
• Re: Surging 1.9 Vanagon
  Historical mailing list - Tim Demarest
  Tue, 3 Oct 2006 10:28:38 -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: does aux air reg affect idele after warm up 1.9
  Historical mailing list - Spencer Allen
  Mon, 9 May 2016 21:04:10 -0400
  ...Check and adjust my throttle switch regularly, > because regularly its adjustment needs tweaking. Its easy to do, and means > a lot. In my case...
• Re: Subject: Re: Idle Stabilizer Valve - Later UPDATE: problem *NOT*
  Historical mailing list - awolfoutwest69
  Thu, 25 May 2006 08:15:34 -0600
  Yes, that's why I replaced the switch a year ago...turned out the cam was worn to the point where proper adjustment wasn...
• Re: 87 with high idle/then low
  Historical mailing list - Keith Adams
  Mon, 30 Apr 2001 08:17:09 -0600
  ...you let the throttle snap back. I de-gunked the thorttle body, and maxed the adjustment out on the switch, and it works about...
• Re: 88 westy throttle out of control
  Historical mailing list - Keith Adams
  Thu, 17 May 2001 17:44:42 -0600
  I would guess the idle position switch on the throttle body. Dirty and/or out of adjustment. With the engine off, you should be...