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Page 5+: 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: does aux air reg affect idele after warm up 1.9
Historical mailing list - Scott
Mon, 9 May 2016 19:49:04 -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: Hesitatation - GOOD NEWS !
Historical mailing list
Tue, 22 Feb 2000 15:32:38 EST
...Seems the plastic cam affair that actuates the switch at the closed and full open throttle positions was worn and by moving the adjustment...
Re: How to disconnect idle stablizer??
Historical mailing list - Karl Mullendore
Wed, 27 Sep 2000 15:37:25 -0400
Jenny, First, check that the problem isn't a simple adjustment: there is a microswitch on the bottom of the throttle body that must...
Running rich.....me too
Historical mailing list
Wed, 17 Oct 2007 09:31:58 -0400
...Will proper adjustment of the throttle switch likely relieve the fuel rich symptom, or do I have other issues to consider? Thanks, as always...
Re: engine revving at idle
Historical mailing list - Scott Daniel - Turbovans
Fri, 9 Jul 2010 11:52:19 -0700
...engine revving at idle got a link for us to this pressure switch replacement for the throttle position switch? -Ry http://www.google.com...
Re: Intermittent high idle - able to make "go low"
Historical mailing list - Dan N
Wed, 24 Jun 2015 11:31:40 -0700
I think either the butterfly in the throttle body is sticky or the TPS (throttle position switch) is out of adjustment On Wed, Jun...
Fw: Re: Emission Failure - Excess Hydrocarbons - Oxygen Sensor? (
Historical mailing list - Robert Lilley
Fri, 28 Apr 2000 23:19:56 EDT
...Check that the throttle switches are working and causing the computer to switch to idle mode, no click, no idle mode. From all my...
Re: Jerks/surges when going from coasting to acceleration
Historical mailing list - Martin Jagersand
Mon, 23 Apr 2007 11:31:08 -0600
...I didn't find the two usual switches on top of the throttle body) Checked switch: Switch always open. Checked other end of connector...
Re: [WetWesties] 87 Westy running poorly
Historical mailing list - Pat Callaghan
Tue, 20 May 2003 07:00:05 -0700
...had no power. > > Then it is the throttle positioning switch which needs attention. > > It either need adjustment or replacing. > > Here is what my VW...
Re: engine revving at idle
Historical mailing list - Scott Daniel - Turbovans
Fri, 9 Jul 2010 00:23:09 -0700
re Is it just a matter of adjusting the throttle valve? no, you adjust the throttle switch. On a 2.1 it can be...
Re: HELP in Riverton, WY - Engine Flooding
Historical mailing list - Scott Daniel - Turbovans
Mon, 5 Oct 2009 21:10:23 -0700
...if you think the switch is expensive, price out a throttle body. I only did once, for a 1.9, about 8 years ago...
Surging between 1700 and 3000 rpm
Historical mailing list - mordo
Tue, 3 Apr 2007 20:53:19 -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: 1987 VAN IDLE
Historical mailing list - Kenneth Wilford
Tue, 16 Oct 2007 09:39:59 -0400
I would check your throttle position switch first as this can be sensitive to heat if it is just barely out of adjustment. The...
Re: Possible Vanagon Syndrome...
Historical mailing list - Mark McCulley
Wed, 17 Jul 2024 07:57:43 -0700
...throttle closed and throttle wide open. The usual problem is a switch that is out of adjustment and doesn’t close when you take...
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: Syncro stutter
Historical mailing list - Scott Daniel - Turbovans
Fri, 13 Nov 2009 14:50:07 -0800
...throttle switches - that it cleanly makes contact at zero throttle. I find them not in correct adjustment, and sometimes unable to reach adjustment - commonly...
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...
Re: Throttle switch
Historical mailing list - Chuck Mathis
Fri, 9 Mar 2001 11:56:39 EST
...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: Surging 1.9 Vanagon
Historical mailing list - Resiolute
Mon, 2 Oct 2006 21:31:06 -0700
...Surging 1.9 Vanagon > > Hi Lyle, > > Apparently the throttle position sensor switch was made with a plastic > sensor that butts up against a steel...
Re: Still won't start when warm
Historical mailing list - Chuck Mathis
Fri, 18 Feb 2000 16:28:41 EST
...to look into your throttle valve switch or switches depending on the year of your van. If the adjustment is not right it could...
Idle stabilizer system
Historical mailing list - John
Sat, 5 Aug 2000 15:29:43 -0400
...disconnected only because other adjustments have been misadjusted, i.e.- AFM, basic throttle setting, bypass air screw, closed throttle switch, ign timing etc. Regards...
Re: Misfire when coasting?
Historical mailing list - Peter Lapp
Thu, 30 Jun 2011 09:21:53 -0500
...the switch is working. >> Get your multimeter and your Bentley out. >> > > Yes. > > In particular, with a typical worn throttle body the switch may > behave...
Re: Digifane without Throttle Position switch???
Historical mailing list - Scott Daniel - Turbovans
Fri, 18 Jun 2010 14:26:07 -0700
...they may not return to zero position well, the bushings get sloppy , the switches sometimes can't reach adjustment anymore, the switches get all...
Re: Idle Stabilizer Valve - Later UPDATE: problem *NOT* solved!
Historical mailing list - David McCallum
Wed, 24 May 2006 11:26:10 -0600
Quoting Robert Keezer <warmerwagen@YAHOO.COM>: > Did you check the idle switch adjustment? It should click twice, once when at > full throttle and once...
Solved thanks to list! Re: Jerks/surges when going from coasting to acceleration
Historical mailing list - Martin Jagersand
Fri, 11 May 2007 05:27:58 -0600
...With a bit of tactile exploration I pulled out fried wiring from under the throttle body, where the throttle posisiton switch sits. Right now...
Re: RPM surge
Historical mailing list - Ken Wilford
Thu, 16 Jun 2011 09:36:07 -0400
Idle position switch at throttle body not functioning when engine is hot (I had this on my own personal van and it drove me...
Re: idle microswitch
Historical mailing list - Scott Daniel
Thu, 14 Nov 2013 15:48:23 -0800
I suppose you could have a very sticky switch that, when the throttle cam moved off of it, the spring in the switch was...
Re: 090 (automatic) transmission rebuilt
Historical mailing list - C. Abney
Wed, 15 Jun 2016 09:27:38 -0700
Thanks Dennis, I had wondered about the adjustment at the throttle body before, while I was correcting the idle/WOT switch, so this stood...
Re: Surging Idle
Historical mailing list - Claudio Cella
Mon, 14 Oct 2002 08:40:24 -0700
...mentioned neglected to return some adjustments to their original position, however, please check you throttle valve switch adjustment as well. Just a thought. Claudio...
Re: Idle Issues with my 2.1 engine
Historical mailing list - OlRivrRat
Fri, 3 Apr 2020 18:05:37 -0600
The Stumble It did When You Gave It Throttle made Me think > Idle Switch (Probably should call that Throttle Position Switch) Out Of Adjustment...
Clues to the cold start/running problem- my test
Historical mailing list - Robert Lilley
Wed, 3 Jan 2001 16:15:36 EST
...It seems that when the throttle switch is out of adjustment, the cold start/running problem surfaces. While cold, the engine cannot run on...
Re: decreased mileage problem solved!
Historical mailing list - Gary Shea
Sat, 13 Jun 1998 23:05:48 -0600
...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: 85 Vanagon starts hard
Historical mailing list
Fri, 7 Apr 95 15:36:17 PDT
>> >>I *did* notice that resistance across the throttle valve switch terminals was >>open-circuit at the idle stop. According to Bentley (24.35) this...
Re: Still trying to diagnose an off idle stumble.
Historical mailing list - vw woody
Mon, 3 Nov 2014 08:37:27 -0600
...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: Rapid Idle when Warm / Throttle idle switch
Historical mailing list - Mark Keller
Mon, 5 Feb 2001 13:16:24 -0700
...Even though the system is always active, the base engine idle adjustment should be with the normal range with it disconnected. The base engine...
Re: engine dying while driving
Historical mailing list - John Rodgers
Mon, 28 Mar 2011 17:44:13 -0500
How about at least a short video - of getting that throttle switch just right. That would be sweet! John John Rodgers Clayartist and Moldmaker...
Re: Clues to the cold start/running problem- my test
Historical mailing list - Richard Bias
Wed, 3 Jan 2001 19:22:51 -0500
...warmed a few >minutes. > >It seems that when the throttle switch is out of adjustment, the cold >start/running problem surfaces. While cold, the...
Re: cold starting
Historical mailing list - George Wietor
Mon, 29 Oct 2001 16:34:57 -0800
...Do the easy stuff 1st-check idle switch adjustment, buy NEW plugs. Clean the distib cap. Clean the throttle body on a nice sunny...
Re: Throttle switch
Historical mailing list - Chuck Mathis
Fri, 9 Mar 2001 14:52:52 EST
...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: Air Flow Meter and Idle/Mixture Adjustments
Historical mailing list - Joel Walker
Tue, 18 Apr 95 12:05:27 CDT
...is there anyone who can convince >me that the full throttle switch actually does something? DC i've been to chicken to rev the...
Re: Bad O2 Sensor Symptoms?
Historical mailing list - Roger Sisler
Wed, 3 May 2006 12:33:15 -0400
...Check the throttle switch adjustment. It needs to be really tight,clicking on and off quickly near idle.If it is way off, your...
Re: '89 Vanagon 10 years of Curiosities and Observations-Bucking
Historical mailing list - L&A Johnson
Sun, 4 Jul 1999 17:43:38 -0400
...I have also done the Debbie cleaning fix and replaced the > > little switch under the throttle body. Is there anything else to do or...
Re: 10 Year Anniversary; A Vanagon Love Affair
Historical mailing list - Stuart MacMillan
Tue, 13 Mar 2001 10:38:13 -0800
...Would you believe that the closed throttle position switch was about five turns out of adjustment right out of the factory? (This vintage van...
Re: Idle/mixture Screw
Historical mailing list - Doktor Tim
Mon, 6 Oct 2003 12:14:30 -0700
...Vacuum leaks Heavy deposits on valves or throttle body Poor throttle switch Sticky bypass valve Plugged breather Dirty air filter Dirty fuel filter Fouled...
Re: CO adjustment, can this add power if enriched to the upper end of the scale?
Historical mailing list - Mark Ingalls
Thu, 3 Jan 2002 05:21:34 -0600
When the throttle switch is made up at wide open throttle, yes. Otherwise the 02 sensor should adjust it back to 14.7 to...
Re: Failure to return to idle
Historical mailing list - Jerry
Sat, 30 Dec 2006 21:16:19 -0600
...It's very important that this switch operates correctly and the adjustment is very sensitive. The throttle position switch costs around $65.00. Always...
Need help my van won't start
Historical mailing list - Alan S Gondry
Tue, 3 Oct 2000 22:22:25 -0700
...I have floored the throttle. I checked the switches on the throttle. I tried to check the Temp II sensor but don't know...
Re: 91 Carat Cold Stall
Historical mailing list - Doktor Tim
Mon, 14 Oct 2002 13:02:24 -0700
...Check the throttle switch adjustment per Bentley. >This problem got worse after a tune up. >It used to cold idle without any help at...
Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
Historical mailing list - Dennis Haynes
Fri, 22 Jun 2012 00:21:43 -0400
...The throttle switch should be closed when the throttle is closed or at full throttle, not in between. With the O2 sensor disconnected from...
Re: Doing a 1.9l to 2.1l swap
Historical mailing list - Karl Wolz
Thu, 4 May 2000 08:46:43 -0700
...Works fine, just be sure to check the adjustment of the > switch, mine was way out, and it is much easier to do on...
Re: 2.1 idle adjustment
Historical mailing list - Tim Demarest
Thu, 30 Sep 2004 11:35:49 -0400
...I dunno about the later vans, but on my '85, if the ECU doesn't get the "throttle is closed" signal from this switch...
Re: It's doing it again . . . additional symptom
Historical mailing list - Rocket J Squirrel
Fri, 18 Dec 2009 09:49:25 -0800
...single switch on the bottom of the throttle body. > I am finding many of the 'switch underneath' ones not able to reach > adjustment, or...
Re: Surging between 1700 and 3000 rpm
Historical mailing list - Dennis
Tue, 3 Apr 2007 22:04:40 -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...
Surging between 1700 and 3000 rpm
Historical mailing list - mordo
Sat, 31 Mar 2007 13:34:11 -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: Throttle Valve Stop Screw Adjustment.
Historical mailing list - neil n
Thu, 5 Jul 2012 11:05:22 -0700
Hey Scott. "VSM" is Chris Corkins "Vacuum Switching Module". The full name is in page 1 here: http://www.thesamba.com/vw/forum/viewtopic...
Re: low torque
Historical mailing list - Dennis Haynes
Tue, 2 Oct 2012 21:15:28 -0400
...This will ensure max vacuum/retard at closed throttle to get your basic settings and get the throttle plate adjustments out of that picture...
Re: On being well grounded
Historical mailing list - Mark Ingalls
Sun, 10 Jun 2001 01:19:03 -0500
...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: Idle running up and down
Historical mailing list - Marc Perdue
Sun, 24 May 2009 14:13:39 -0400
...And ICU was tried w/o affect. > > > > We have been given the following recommendation by 2 highly qualified > Vanagon owners/ mechanics. > > > > > > throttle postioning switch...
Re: 2.1L throttle body housing
Historical mailing list - Warren Lail
Tue, 28 Sep 2004 11:00:56 -0500
Hi Chris, I have had plenty of offers for the throttle body, plus plenty of good advice on repairing my old unit. So I...
Re: FW: Idle Control Issues
Historical mailing list - neil n
Fri, 19 Jul 2013 17:45:51 -0700
...Turned out to be the throttle position switch was > out of adjustment and wasn't indicating closed throttle. > -----Original Message----- > From: Vanagon Mailing List...