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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 3+: 60 results shown for throttle valve.

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

  • 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...
  • throttle valve switch
    Historical mailing list
    Sat, 18 Feb 1995 23:54:15 -0500 (EST)
    Does anyone have experience with making adjustment to the throttle valve switch on a 2.1 ? I have checked the Bentley book. It seems...
  • Re: The two throttle valve switches, question
    Historical mailing list - Don Spence
    Wed, 26 Sep 2007 12:37:10 -0600
    My 83.5 has both switches. My neighbors 85 has neither. Is this normal??
  • Re: Bit of Toyota Syndrome in '84 Westy
    Historical mailing list - Karl Mullendore
    Thu, 18 Mar 2010 00:56:48 -0400
    Automatics have lots more places between pedal and throttle valve to get stuck.
  • Re: Idle valve and ISCU
    Historical mailing list
    Wed, 10 Sep 2003 08:04:20 -0400
    ...Is the Idle valve usually = >closed when the gas throttle is pushed? and reopened when the gas = >throttle is released? > >Germain > \\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\ Frank Terhaar-Yonkers...
  • Re: rebuilding throttle body
    Historical mailing list - Kenneth D Lewis
    Fri, 18 May 2001 19:47:47 -0400
    ...The result is an inconsistent idle > and > problems setting the throttle position switch because the valve does > not > always return to the same position...
  • Re: Are all 2.1 engines digifant?
    Historical mailing list - David Beierl
    Sun, 4 May 2014 14:16:44 -0400
    ...If the throttle cable (or rod on auto-trans) is too tight the throttle plate may not be reaching the idle stop. If the...
  • Re: Throttle body issues
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 11 Feb 2009 20:22:42 -0800
    ...Throttle body issues > Does anyone know if the throttle body or throttle valve switch was used on > any other vehicle. > > I spent the day...
  • Idle stabilizer system
    Historical mailing list - John
    Sat, 5 Aug 2000 15:29:43 -0400
    ...Additionally it behaves like an air start valve while cranking and a vacumm limiter valve during hard deceleration. It is really to the engine...
  • 2.l idle issues continued
    Historical mailing list - Vanagon man
    Sun, 10 Feb 2002 14:51:12 -0500
    ...When key is first turned, i can hear the idle stabilizer valve kick in. (Buzz) I am going to check (recheck) valve adjustment right...
  • Re: '87 GL High Idle
    Historical mailing list
    Thu, 6 Mar 1997 23:59:02 PST
    ...Air bypass valve, throttle, throttle cable, etc. sticking allowing too much air in. This would simulate slight pressure on the gas pedal holding the...
  • Vacuum line question
    Historical mailing list - Robert Fisher
    Wed, 10 Jun 2009 18:56:10 -0700
    ...there are two grey plastic lines, one from the throttle body and the other from the idle control valve, if I have that right...
  • Idle gremlins still at play
    Historical mailing list - Roy Nicholl
    Tue, 27 Jul 2021 14:24:31 -0300
    ...I unplugged the 12v from the idle control valve and the engine remained at idle.� � I removed the idle control valve; cleaned it with...
  • throttle cable repair/replace
    Historical mailing list - Ed Carroll
    Wed, 24 Jul 2002 09:53:25 -0400
    ...Throttle cable broke right at the throttle body, with just the clamped-end stub left on the throttle valve. Metal fatigue. Since I absolutely...
  • throttle body housing
    Historical mailing list - Warren Lail
    Sun, 26 Sep 2004 20:42:39 -0500
    Greetings everyone, I need a new throttle body housing, complete. Mine is worn inside and the butterfly valve is sticking. The part number 025133067A...
  • Re: Air in the system
    Historical mailing list - Lawrence Johnson
    Wed, 9 Oct 2002 11:42:46 -0400
    ...bypass valve built into the thermostat that allows enough flow for bleeding purposes. Use a brick or a stick to hold the throttle pedal...
  • Checking cold start valve
    Historical mailing list
    Fri, 2 Aug 2002 08:43:03 -0500
    How do I check the cold start valve on my 83 1.9 WB? Got it running great when warm, but it is real...
  • Re: Part request...
    Historical mailing list - Dennis Haynes
    Thu, 11 Apr 2002 23:02:36 -0400
    The deceleration valve bypasses the throttle plate when the manifold vacuum is high such as when going down hill with the throttle closed or...
  • Re: Throttle valve housing question......
    Historical mailing list - John Haddad
    Sun, 9 Sep 2001 21:59:09 -0400
    ...to remedy crap fuel mileage I took a look inside my throttle > valve housing (I've done everything else I could do..........replaced the...
  • Re: Vanagon Syndrome Update
    Historical mailing list - Christopher Gronski
    Thu, 13 Oct 2005 09:19:21 -0400
    ...10/12/05 11:18:18 PM, kovregaard@COMCAST.NET writes: > > > ><< Throttle valve switch adjustment- I need to get a very thin feeler gauge...
  • Re: Throttle Body Question
    Historical mailing list - John Rodgers
    Sat, 18 Jun 2011 16:41:10 -0500
    ...off. > when you start the engine ..vacuum from the throttle body opens the > valve .. > so the stored gas fumes are sucked into the engine...
  • Re: High Idle Solution!
    Historical mailing list
    Wed, 6 Feb 2002 10:52:32 EST
    ...goes under the throttle valve is worn out. Always check this before spending mucho bucks on IS Control Unit or Valve. Hope this helps...
  • Re: Throttle body/idle stabilizer woes...
    Historical mailing list - Marla Stelk
    Wed, 17 Sep 2003 11:36:15 -0400
    ...I had similar problems - my idle stabilizer wasn't buzzing and my throttle body was all gunked up from when my transmission seal blew...
  • Outcome of the Throttle Switch Saga
    Historical mailing list - David Baker
    Thu, 29 Aug 2002 15:39:00 -0500
    Thanks to all of you that responded to my query concerning the throttle valve switch on my 85 Westy. With your help, I was...
  • Re: Now what? Engine idles then revs up
    Historical mailing list - David Beierl
    Fri, 11 Mar 2011 17:20:53 -0500
    ...throttle allowed to close slowly, the switch has to close reliably. If that's good check the basic idle speed with idle speed valve...
  • Re: Looking for some parts for 80-83 AC Vanagon
    Historical mailing list - Richard A Jones
    Fri, 24 Jun 2011 20:47:54 -0600
    ...I have an '81 (non-California)--there is no PCV valve. There is an EGR valve that is hooked to the throttle bottle. I...
  • Re: throttle switch
    Historical mailing list - Jack R
    Mon, 11 Jan 2021 17:31:26 -0500
    ...the motor's valve were out of adjustment. Before going any further, I'd recommend making sure the valves are properly adjusted. -----Original Message...
  • Re: Bouncing idle......
    Historical mailing list - Karl Mullendore
    Fri, 11 Feb 2000 08:38:42 -0500
    ...If no, you may need to clean the throttle body and/or switch, the switch must close for the idle stabilizer valve to operate...
  • Re: HELP, 78 westy, 2L FI trouble (high
    Historical mailing list
    Tue, 11 Jun 1996 10:39:20, -0500
    ...Other sources include throttle valve shaft and between throttle valve housing and intake air distr. Also, how do you know idle adjustment screw is...
  • Re: 1.9-idle probs&mixture
    Historical mailing list - Scott W.
    Sat, 8 Feb 2003 06:19:51 -0800
    i adjusted the (new)throttle switch per bently,which from memory is screw it down until it closes, then one full turn more. i...
  • Final - 91 bucking and Digitool
    Historical mailing list - Nathaniel Merrill
    Mon, 22 Mar 1999 08:36:20 -0800
    ...with the stuff all removed (air box/AFM, throttle body) and lubricated the throttle "valve" well (and the cable). I put it all together...
  • Re: interesting idle issue
    Historical mailing list - George Goff
    Tue, 27 Jan 2004 17:35:29 EST
    ...If that causes the engine to settle down, check for a sticking throttle plate or throttle cable. Also, sometimes a hanging throttle can be...
  • Re: misfire - diagnosis of problem?
    Historical mailing list - Ken Lewis
    Mon, 4 Oct 2004 14:03:17 -0400
    ...I guess it was the beginning of a "burnt" valve. While adding compressed air to a cylinder listen at the throttle body, tail pipe...
  • 84 Vanagon 1.9 pulsing idle
    Historical mailing list - Preston Lewis
    Tue, 13 Apr 1999 14:23:37 -0700
    ...The manual says the switch "supplies control unit with information that throttle valve is closed. If engine is running 1500 RPM with the throttle...
  • Re: Auto Trans, Shift Points etc.
    Historical mailing list - Al Knoll
    Thu, 23 Sep 1999 18:16:30 -0700
    ...and pressure and throttle position to determine when to change clutches (gears). Adjusting the level at which the fluidics valves activate (they have springs...
  • Re: Fast Idle?
    Historical mailing list - Tim Demarest
    Tue, 4 Nov 2003 11:26:00 -0500
    ...See "Throttle valve, basic adjustment", and "Throttle Valve Switch, checking and adjusting". My '85 has a broken or gunked-up idle switch, which will...
  • Re: low torque
    Historical mailing list - Dennis Haynes
    Tue, 2 Oct 2012 21:15:28 -0400
    ...As for the vacuum retard as soon as the throttle is opened the timing should quickly advance if all is well. If the throttle...
  • Re: Weird "idle" problem
    Historical mailing list - Stuart MacMillan
    Thu, 16 Oct 2014 16:50:13 -0700
    ...in the vehicle to keep the throttle open just to keep running once I disconnect the valve when it's at 3000 rpm. I...
  • Re: Powerwashing FAIL
    Historical mailing list - mordo
    Sun, 24 Jan 2010 13:22:35 -0500
    ...is getting > 12v, it knows the throttle position switch is closing, and its connection to > the valve is OK before buying another controller. > > -- > John...
  • Re: Throttle valve housing question......
    Historical mailing list - Mark Ingalls
    Sun, 9 Sep 2001 22:08:52 -0500
    ...Throttle valve housing question...... >Date: Sun, 9 Sep 2001 20:16:22 -0400 > >As an attempt to remedy crap fuel mileage I took a...
  • Re: Throttle Body
    Historical mailing list - John-Reed Maffeo
    Wed, 16 Aug 2000 12:56:56 -0700
    ...If the throttle stop is not adjusted correctly the throttle valve can stick in the throttle bore. The actuator assembly, to which the accellerator...
  • Re: Idle Control System Explanation, please?
    Historical mailing list - Dennis Haynes
    Sun, 15 Mar 2015 11:55:28 -0400
    ...Anyways, Ill save those questions till after i get the new throttle body and switch in, mostly curious about the module and valve effects...
  • Re: Throttle Valve Stop Screw Adjustment.
    Historical mailing list - Alistair Bell
    Tue, 3 Jul 2012 21:50:22 -0700
    ...alistair On 2012-07-03, at 9:28 PM, neil n wrote: > Thank you Alistair. > > As it stands the hole is partially covered, throttle...
  • Normal idle! Hallelujah!
    Historical mailing list - david hardy
    Thu, 5 Jan 2012 11:20:09 -0700
    ...throttle body (it's easy). Hold it up to the light - you shouldn't be able to see much light around the butterfly valve...
  • Throttle Valve Switch Problems
    Historical mailing list - David Baker
    Sun, 5 Jan 2003 12:45:00 -0600
    ...And it's a blessing that my throttle valve switch doesn't close or I would have toasted the insulation long ago! Thanks for...
  • Re: Idle issues
    Historical mailing list - Dan N
    Sun, 17 May 2020 09:06:22 -0700
    ...New items include engine bay wire loom, TPS and GW throttle body. > Idle is low and sometimes erratic. Idle control valve does not vibrate...
  • Re: Arduino and Vanagons
    Historical mailing list - Neil N
    Wed, 20 Nov 2013 11:48:14 -0800
    ...PS, AC) the valve is closed. Or..... Isn't the ICU basically taken out of the picture any time the throttle is just off...
  • Re: Vacuum System Parts on 1.9 - "Y's" and Constrictors...
    Historical mailing list - David Beierl
    Thu, 16 Oct 2014 00:45:41 -0400
    ...And likewise slows down the valve closing when the throttle is closed. Is it to avoid a problem with bogging down from idle? That...
  • Engine cutting out/stumbling problem
    Historical mailing list - Brian Walch
    Fri, 6 Aug 1999 09:50:21 -0800
    ...I took it back to the mechanic that did the original throttle valve replacement. He said that the valve was way out of adjustment...
  • Re: Adjusting throttle linkage on automatic
    Historical mailing list - Larry Alofs
    Sun, 24 Feb 2002 10:07:57 -0600
    ...If i turn the rod on the throttle body in too far, it begins to open up the idle on the throttle body.....I...
  • Re: switching from manual to automatic
    Historical mailing list - Roger Sisler
    Mon, 30 Oct 2006 18:23:32 -0500
    ...What a pain the throttle linkage was.You need that, the shifter and shift rod.The throttle cable assembely has a linkage to go...
  • Re: Post gas tank/system reseal - vacuum in gas tank
    Historical mailing list - Dennis Haynes
    Thu, 29 Sep 2011 11:35:44 -0400
    Also make sure the vent valve is connected and opens when the throttle is opened. This valve is located in front of the firewall...
  • Re: Nitrous Oxide Injection in an '85GL
    Historical mailing list - Robert A. Alexander
    Sat, 13 Feb 1999 17:52:20 -0500
    ...Right now, I'm using the valve assembly from my old OHIO anesthesia machine to meter N2O into the throttle body. It's a...
  • Butterfly in Throttle Valve Housing Part# 022 133 141B
    Historical mailing list - zzyzx
    Sun, 4 Jul 2010 22:56:18 -0700
    Is this part supposed to have the 6mm hole in it as highlighted by the arrow? http://zzyzx.org/butterfly.html Comments please.
  • Re: Throttle valve switch, checking/adjusting
    Historical mailing list - Robert Cardo
    Sun, 10 Apr 2005 21:55:51 -0500
    <<E-mail message dhaynes@OPTONLINE.NET(Dennis�Hayn The surging at idle is actually a sigh the throttle switch is working. If it wasn...
  • pesky throttle switch
    Historical mailing list - Austin
    Sun, 16 Aug 1998 13:07:38 -0700
    ...I have traced the problem to a throttle switch that sometimes >doesn't close at idle. >snip< >It's as if the throttle valve...
  • Subject: Re: Idle Stabilizer Valve - Later UPDATE: problem *NOT*
    Historical mailing list - Clint Kolda
    Thu, 25 May 2006 06:18:23 -0700
    My idle switch clicks closed when the throttle is completely closed. I can not adjust it to open to the Bentley specs. The switch...
  • Some thoughts Mansi Speed products.
    Historical mailing list - Dennis Haynes
    Fri, 28 May 2021 16:37:41 +0000
    ...The feel is slightly better throttle response and the sense of more power. At any driving at part throttle the benefit is mostly imaginary...
  • Re: Arduino and Vanagons
    Historical mailing list - Dennis Haynes
    Wed, 20 Nov 2013 15:14:26 -0500
    ...PS, AC) the valve is closed. Or..... Isn't the ICU basically taken out of the picture any time the throttle is just off...
  • Idle test for digifant.
    Historical mailing list
    Thu, 8 May 1997 12:45:17 -0500 (CDT)
    ...The switch is located under the throttle valve. 3. Open the throttle valve wide open, the switch should close and show a reading of...