Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 6+: 60 results shown for Throttle valve switch.

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

  • Re: Going back to fuel injection...
    Historical mailing list - Stan Wilder
    Thu, 29 Aug 2002 16:45:23 -0500
    ...Throttle Valve switch. (Full throttle switch) Engine Temperature Sensor Part # 0.280.130.012 Pressure Regulator (vacuum Limiter) Part # 0.280.160.100 Resistor...
  • vanagon syndrome plus poor gass economy
    Historical mailing list - Ellen Robey
    Tue, 4 Aug 2009 08:08:40 -0400
    ...idle control valve, new throttle body gasket, operating cam and clip for the throttle switch, a new fuel filter, and the 22 microfarad capacitor...
  • Re: Hesitatation - GOOD NEWS !
    Historical mailing list
    Tue, 22 Feb 2000 15:32:38 EST
    ...to proper actuation. Switch must be actuated on full closed and full open positions. While I had the throttle valve out I cleaned it...
  • High Idle
    Historical mailing list
    Sun, 20 Apr 1997 22:27:08 -0500 (CDT)
    ...Dirt and crap inside the idle stabilizer valve. 3. Incorrectly adjusted limiting screw on the throttle valve. 4. Throttle valve switch not closing at...
  • Re: Idle control system
    Historical mailing list - Dennis Haynes
    Wed, 1 Aug 2012 21:20:33 -0400
    ...valve piston to move, so the connection is good. > The throttle valve switch, as I'm learning, can be affected by a worn > throttle...
  • 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...
  • Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
    Historical mailing list - Alistair Bell
    Thu, 21 Jun 2012 17:45:27 -0700
    ...drive train > that pulls on the accelerator cable, causing the throttle valve switch to > open when decelerating. I have purposely left a little slack...
  • Re: digijet FI adjustments-Digifant
    Historical mailing list - Dennis Haynes
    Wed, 13 Oct 2004 19:56:17 -0400
    ...Check throttle plate adjustment. Adjust stop screw so it does not stick closed. Idle air goes through bypass screw. Check operation of throttle switch...
  • Re: 91 Carat - Auto Tranny - 2.1L WBX - RPM Hunting
    Historical mailing list - John Rodgers
    Thu, 21 Oct 2010 17:29:54 -0500
    ...How is it that the throttle position switch is involved? If it was the switch, I would think there would still be problems.with...
  • Re: Won't accelerate
    Historical mailing list - HotelWestfalia
    Sat, 5 Nov 2011 13:17:16 -0700
    ...thing I noticed, the idle switch is clicking off a little late, (the >> one under the Throttle Valve) >> >> I have no idea what causes...
  • Low Idle w/A/C on 91 Westy
    Historical mailing list - Mark B. Magee
    Tue, 28 Jul 1998 08:37:21 -0500
    ...is any "throttle kick up" valve or mechanism on the wasserboxer for the A/C, I assume the throttle position switch performs this function...
  • Re: Idle stabilizer
    Historical mailing list - Don & Christina Preston
    Thu, 10 Jan 2002 08:54:03 -0800
    ...head) O2 Sensor Throttle Positioning Switch (bottom of the AFM Hall Sender Unit (in distributor) I pulled the Idle Stabilizer (switch? controller?) behind the...
  • Re: 91 Carat - Auto Tranny - 2.1L WBX - RPM Hunting
    Historical mailing list - Ken Wilford
    Thu, 21 Oct 2010 20:29:46 -0400
    John, The throttle position switch tells the ISCU when the engine is a idle. If it isn't working properly then the ISCU thinks...
  • Re: Idle Stabilizer System Delete. Cause Bog Off Idle?
    Historical mailing list - Dan N
    Sat, 11 Apr 2015 14:53:19 -0700
    ...the throttle opens. (throttle switch input?) > > Regardless if engine off (ign. on) or "1" wire connected or not, > engine running, the valve draws far...
  • 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...
  • Slight stumble on "resume throttle" (Digifant EFI van)
    Historical mailing list - Don Hanson
    Sat, 10 Mar 2012 10:07:49 -0800
    ...throttle position switch?) I see...it is flat, has a small "leaf spring" device that operates on a post as the throttle body valve...
  • Re: Failure to return to idle
    Historical mailing list - Frank Condelli
    Sun, 31 Dec 2006 07:14:58 EST
    ...After that I would go looking at the setting of the throttle body idle control switch, the operation of the ICV (idle control valve...
  • Re: throttle switch & heater cable
    Historical mailing list
    Thu, 21 Nov 1996 10:49:34 PDT
    > According to them, it is running rich at start-up, due to a failing > throttle switch. This is causing premature wear of the distributor...
  • Re: Arduino and Vanagons
    Historical mailing list - Brett Ne
    Wed, 20 Nov 2013 13:23:59 -0800
    ...the throttle > is just off idle or at WOT? (throttle enrichment switch activated or > not). > Maybe, maybe not. Maybe the idle throttle opens fully...
  • Re: Cold Morning Puzzlement Part Deux
    Historical mailing list - Chuck Mathis
    Sat, 19 Feb 2000 08:45:38 EST
    ...I checked with a local parts guy and he has the throttle valve switch. I'll pick it up today and may have a...
  • Re: fuel system questions
    Historical mailing list - Gary Stearns
    Mon, 13 Nov 2000 19:50:05 -0500
    ...Any shortcuts here (like quickly > & temporarily stopping up the sensor hole with something during the switch > to new sensor?) > > (3) On the throttle valve...
  • Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
    Historical mailing list - Alistair Bell
    Wed, 27 Jun 2012 12:34:21 -0700
    I saw on the intertubewebnet thing a youtube vid where a guy made a smoker out of lidded paint can, some fitting and hose...
  • 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: Why doesn't fuel shut off?
    Historical mailing list - Michael Elliott
    Mon, 29 Oct 2007 21:23:17 -0700
    ...They > used to use throttle dash pots or the air cooled even used a decal valve > to control throttle vacuum when the engine is...
  • Re: Cleaning intake parts
    Historical mailing list - Marc Perdue
    Fri, 5 Mar 2010 16:48:24 -0500
    ...I think I'd be careful not to get that stuff on the throttle switch; it'll probably have deleterious effects on the plastic...
  • Re: throttle shaft bushings ?
    Historical mailing list - Roger Sisler
    Sat, 14 Jan 2006 16:37:44 -0500
    ...the shaft is cockeyed ever so slightly.After all, the correct throttle switch adjustment is just .002-.004.Dont take much shaft tilting to...
  • [Fwd: Intake manifold vacuum?]
    Historical mailing list - Randolph Feuerriegel
    Mon, 24 Aug 1998 09:59:28 -0700
    ...Until now, I have decided that a worn throttle body, and poor throttle switch adjustments cause my hesitation. Hope this helps. R.Feuerriegel 88...
  • [Fwd: Re: 88 Syncro; erratic idle, missing, vibrations...
    Historical mailing list - Randolph Feuerriegel
    Mon, 8 Jun 1998 20:14:56 -0700
    ...Changes like flicking a switch. Off and on. Anyway, they set #1 cyl. at TDC, popped of the valve covers to have a look...
  • Re: '91 Westy Coolant/Fan
    Historical mailing list - brad barcom
    Sun, 10 Feb 2002 22:14:41 -0500
    ...While continuing to "mess" with the idle (it's high-1200-1400) and cleaning the throttle valve switch and putting everything back together, for...
  • Re: Lunch with Bentley
    Historical mailing list
    Mon, 21 Nov 94 18:21:01 EST
    ...Now the point about the O2 sensor being switched off at full throttle is interesting. .basically the black box must be nothing more than...
  • Re: The two throttle valve switches, redux
    Historical mailing list - Scott Daniel - Shazam
    Wed, 26 Sep 2007 00:54:12 -0700
    ...The two throttle valve switches, redux On 9/25/2007 10:56 PM David Kao wrote: > --- Michael Elliott <camping.elliott@GMAIL.COM> wrote: > >> On...
  • Re: Another Vanagon Throttle Question ('87 Wolfsburg)
    Historical mailing list - Frank Condelli
    Wed, 4 May 2005 06:31:35 EDT
    ...First you need to check the throttle position switch and make sure it's working properly. Then check to see if the throttle valve...
  • Re: RE Fuel Injection problem found
    Historical mailing list
    Fri, 5 Jul 1996 10:57:38, -0500
    ...resistance too high), bad EGR valve (either leaks or doesn't let contacts operate), or bad throttle valve switch Any problems I've had...
  • Video: TVS Test Light Driving. Discovered Whistle Sound? What is it?
    Historical mailing list - neil n
    Sun, 24 Jun 2012 21:38:33 -0700
    ...12V LED, + lead to TVS + , LED goes on, throttle at rest, throttle valve switch closed, and goes off, throttle opened TVS open. Most importantly...
  • Re: Idle issues
    Historical mailing list - Dan N
    Sun, 17 May 2020 09:06:22 -0700
    ...At closed throttle the only thing the throttle position switch is > doing is turning off the injectors if the engine speed is above some...
  • Re: Throttle Body swap later 2.1 off a late 1.9 into early 1.9
    Historical mailing list - Geza Polony
    Sun, 21 Oct 2007 14:09:20 -0400
    The TB with the two switches is an early 1.9. The TB where you're showing light around the butterfly valve is faulty...
  • Re: Still won't start when warm
    Historical mailing list - Chuck Mathis
    Fri, 18 Feb 2000 16:28:41 EST
    ...Nelson >> Ken, You may want to look into your throttle valve switch or switches depending on the year of your van. If the adjustment...
  • Re: 87 2.1 dies after 30 seconds
    Historical mailing list - Dennis Haynes
    Sat, 28 Feb 2015 00:59:19 -0500
    ...AFM is good throttle switch is adjusted good idle control valve and module are both good ECU is good the purple and white vacuum...
  • help with function of idle stabilizer
    Historical mailing list - Keith Adams
    Wed, 7 Aug 2002 08:49:39 -0600
    ...position switch on the throttle body seems to be working fine and clicking at the right spots. - disconnecting the idle stabilizer valve seems to...
  • Re: Terpsicorian Shifter
    Historical mailing list - Stan Wilder
    Mon, 27 May 2002 17:42:09 -0500
    ...Should be no leaks there. > > So, do I have a throttle switch problem of some sort. I thought the > switch shut off the fuel...
  • Re: full throttle switch boost?
    Historical mailing list - Stan Wilder
    Thu, 30 Aug 2001 21:46:42 -0500
    ...full throttle switch boost? > > > If you have a digitool hooked up when the full throttle switch is > made up, > you will see the volts...
  • Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
    Historical mailing list - Mike S
    Thu, 21 Jun 2012 20:53:42 -0400
    ...LED in parallel complete the circuit so ECU thinks the > throttle valve switch was closed 100% of the time? Probably not. The ECU was...
  • Re: Cruise Control
    Historical mailing list - Michael Townsend
    Wed, 18 Dec 2002 08:14:30 -0500
    I had the vacuum line from the pedals to the cruise control pump or the vacuum valves themselves in the clutch/brake switch develop...
  • Re: Black Vapor and Rattle. And other stuff.
    Historical mailing list - Don Hanson
    Sat, 8 Nov 2014 08:04:01 -0800
    ...the Idle control valve's hum...nor have I ever figured how to test my throttle control switch, but that switch does "click" fine
  • 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...
  • ECU Chip Upgrade and Digifant Tool
    Historical mailing list - Daniel Danrich
    Wed, 13 Sep 2000 18:30:29 -1000
    ...Ignition coil * Hall sender * Coolant temperature sensor * Fuel injectors * Throttle switch/ idle stabilizer valve/ idle stabilizer control unit * Air flow sensor/ Air temperature sensor...
  • Re: Idle stabilizer
    Historical mailing list - David Beierl
    Thu, 10 Jan 2002 01:43:15 -0500
    ...The 2.1l engines have a solenoid-operated idle-stabilizer valve with an associated control board -- it bleeds air past the throttle plate. The...
  • Re: Won't accelerate
    Historical mailing list - mark drillock
    Sat, 5 Nov 2011 13:37:34 -0700
    ...thing I noticed, the idle switch is clicking off a little late, (the >>> one under the Throttle Valve) >>> >>> I have no idea what causes...
  • Re: it's cold in MT and my van won't start
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 2 Nov 2011 19:41:54 -0700
    ...the idle switch is not making contact at idle. there are two styles of throttle switches on an 85.. the 'early' with two crude...
  • Re: Pulsing idle UPDATE
    Historical mailing list - Joshua Van Tol
    Wed, 14 Apr 1999 18:04:29 -0500
    ...The real problem is that the idle is too high, probably because of a broken aux air regulator, throttle valve, or an intake leak...
  • Re: throttle body fun
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 9 May 2010 14:01:47 -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...
  • Re: I need help, please
    Historical mailing list - Jim Felder
    Fri, 2 Dec 2022 14:18:27 -0600
    ...cap and rotor > - NGK BP6ET are recent. > - Throttle body switch checked fine > - Idle screw on throttle body cleaned > - A good fuel pressure regulator was...
  • Surging between 1700 and 3000 rpm
    Historical mailing list - mordo
    Sat, 31 Mar 2007 13:34:11 -0400
    ...I > have tested fuel pressure at the T and it is at spec. > > I am thinking that the throttle valve switch is a possible...
  • Re: Installing a 2.1 engine into 1.9 vanagon ?
    Historical mailing list - Ken Wilford
    Mon, 13 Jun 2005 07:19:46 -0400
    ...bypass valve and reroute the vacuum advance on the distributor. If you have an earlier 1.9l with the dual throttle position switches, then...
  • Re: Idle Control System Explanation, please?
    Historical mailing list - Kevin Duvernay
    Fri, 13 Mar 2015 20:46:53 -0500
    ...switch in, mostly curious about the module and valve effects on idle > (or lack there of??) Is it possible that my finicky throttle switch...
  • Re: seeking Air Cooled info/advice (82 Westy)
    Historical mailing list - Stan Wilder
    Wed, 18 Sep 2002 20:31:26 -0500
    ...Throttle Valve switch. (Full throttle switch) Engine Temperature Sensor Part # 0.280.130.012 Pressure Regulator (vacuum Limiter) Part # 0.280.160.100 Resistor...
  • =?utf-8?Q?Re=3A_Are_all_2.1_engines_digifant=3F?=
    Historical mailing list - Mike Holm Toronto
    Sun, 4 May 2014 17:16:53 -0400
    ...If the throttle switch isn't closing at idle the idle will never settle down below 1,000 rpm the way it's supposed...
  • Re: Surging between 1700 and 3000 rpm
    Historical mailing list - Dennis
    Tue, 3 Apr 2007 22:04:40 -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: 84 Vanagon: Would you fix if it yourself (if you were me?)
    Historical mailing list
    Tue, 22 Oct 1996 23:06:39 -0400
    ...sticking throttle valve ($6.00 cleaner & brush, 118.00 labor) Q: Can just anyone find this throttle valve and clean it? How hard is...
  • High Idle Solution!
    Historical mailing list - brad barcom
    Tue, 5 Feb 2002 18:53:38 -0500
    ...the year, I strongly recommend checking your throttle position switch. After ruling out the idle stabilizer valve, the idle stabilizer control unit, and the...