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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 1+: 60 results shown for Full throttle enrichment switch.

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

  • Re: Throttle Valve Switch
    Historical mailing list - Scott Wilson
    Wed, 28 Aug 2002 13:01:08 -0700
    ...scott wilson 85 westfalia > > '83.5 - two switches. One at idle position, one for > full throttle > enrichment > > '84 - one switch. Full throttle enrichment only...
  • Re: Throttle Valve Switch
    Historical mailing list - Jim Arnott
    Wed, 28 Aug 2002 12:56:29 -0700
    IIRC, the switch situation is as follows: '83.5 - two switches. One at idle position, one for full throttle enrichment '84 - one switch. Full...
  • Re: Throttle body question-Throttle switch!
    Historical mailing list - Karl Wolz
    Fri, 13 Jun 2014 21:06:33 -0700
    ...13, 2014, at 8:15 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote: > > The vacuum switches do not seem to operate for full throttle enrichment.
  • Re: Throttle body question-Throttle switch!
    Historical mailing list - Craig Cowan
    Sat, 14 Jun 2014 08:09:14 -0400
    ...Haynes <d23haynes57@HOTMAIL.COM> wrote: > > The vacuum switches do not seem to operate for full throttle enrichment. > > Dennis > > > -----Original Message----- > From: Vanagon Mailing List...
  • throttle valve switch
    Historical mailing list - Seth Bruggeman
    Fri, 6 Apr 2001 06:04:21 -0700
    ...This is the top of the two fuel injection switches--not the full throttle enrichment switch numbered 021 906 028. Many Thanks, Seth Bruggeman...
  • Re: Throttle Valve Switch
    Historical mailing list - Jay L Snyder
    Wed, 28 Aug 2002 15:58:45 -0400
    ...One at idle position, one for full throttle enrichment '84 - one switch. Full throttle enrichment only '85 - no switches. What you're seeing is...
  • Re: Porsche 6 in late bus
    Historical mailing list - Dean Paul Karpowicz
    Wed, 11 Jan 1995 17:57:03 -0600 (CST)
    ...car with CIS, they might have a full throttle enrichment switch, but not a throttle position switch (per se). Just wondering if you are...
  • Re: ECU and Throttle Question
    Historical mailing list - David Beierl
    Wed, 4 Aug 2004 16:00:48 -0400
    At 06:24 8/4/2004, you wrote: >I would agree up until you activate the full throttle position switch. Right. :) Which brings up...
  • Re: Throttle Valve Switch - Lesson Learned
    Historical mailing list - Geza Polony
    Mon, 22 Oct 2007 13:11:56 -0400
    ...These switches are incredibly important to acceleration off idle and for deceleration. I've never found the full-throttle enrichment makes much difference, however.
  • Re: Throttle Valve Switch
    Historical mailing list - David Baker
    Wed, 28 Aug 2002 15:10:29 -0500
    ...One at idle position, one for full throttle > enrichment > > '84 - one switch. Full throttle enrichment only > > '85 - no switches. > > What you're seeing is...
  • Re: Throttle Valve Switch
    Historical mailing list - Jim Arnott
    Wed, 28 Aug 2002 13:10:01 -0700
    ...One at idle position, one for full throttle > enrichment > > '84 - one switch. Full throttle enrichment only > > '85 - no switches. > > What you're seeing is...
  • Re: Throttle Valve Switch - Lesson Learned
    Historical mailing list - Dennis Haynes
    Tue, 23 Oct 2007 08:41:38 -0400
    The switch and cam has been updated to provide a more positve activation on both sides. The full throttle enrichment is both for max...
  • Re: Throttle Switch Wear Was: Re: Throttle switch confusion
    Historical mailing list - Dennis Haynes
    Sun, 5 Jul 2015 00:59:14 -0400
    ...Open throttle and loaded engine there is almost no vacuum so that switch doesn't set the full throttle enrichment until engine rpms are...
  • Re: Help for a guy in Belgium
    Historical mailing list - Jim Arnott
    Wed, 17 Jan 2001 23:22:16 -0800
    Check the "full throttle enrichment switch" for proper function. When it fails in the open position, it tells the brain to go full rich...
  • Full Throttle AC Cutout?
    Historical mailing list - John Bange
    Sun, 27 May 2007 10:33:05 -0700
    ...After the fourth or fifth time, it occurred to me that it would be handy if the full throttle enrichment switch would also disengage...
  • Re: sluggish on take off
    Historical mailing list - Robert Cardo
    Sat, 22 Oct 2005 16:12:45 -0500
    ...Then on the next page it sez; "Full enrichment switch supplies the ECU with information to increase the amount of fuel at full throttle...
  • Re: Throttle Valve Switch
    Historical mailing list - Jay L Snyder
    Wed, 28 Aug 2002 21:30:58 -0400
    ...One at idle position, one for full throttle > enrichment > > '84 - one switch. Full throttle enrichment only > > '85 - no switches. > > What you're seeing is...
  • Re: Throttle switches on 1.9 WBX
    Historical mailing list - Karl Wolz
    Fri, 14 Apr 2000 14:15:16 -0700
    ...At full throttle, the switch will set the O2 sensor reading to full lean, causing the injectors to fully enrich the mixture, and if...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Dennis Haynes
    Thu, 24 May 2012 01:26:27 -0400
    ...a closed throttle switch as being at full throttle so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message...
  • Re: Can't find a 1.9 fuel injection problem?
    Historical mailing list - John H. Fleming
    Thu, 19 Jun 1997 22:31:46 -0400
    >some other thoughts: > >fuel system pressure > >throttle switch (full throttle enrichment) on the throttle shaft-thingie= =2E > >evaporative emissions system ... might be leaking. > >good...
  • Re: ECU and Throttle Question
    Historical mailing list - Ken Lewis
    Wed, 4 Aug 2004 16:36:47 -0400
    Here's my theory FWIW; the thinking behind the activation of the full throttle switch means you have "floor-boarded it" i.e. you...
  • Re: Throttle Valve Switch - Lesson Learned
    Historical mailing list
    Mon, 22 Oct 2007 13:40:20 -0400
    ...These switches are incredibly important to acceleration off idle and for deceleration. I've never found the full-throttle enrichment makes much difference, however.
  • idle/full throttle switch replacement
    Historical mailing list - Karl F. Bloss
    Wed, 5 Aug 1998 22:19:46 -0500
    I confirmed the death of my idle/full throttle enrichment switch on our Digifant after Darrell's ECU tool found that, i.e. it...
  • Re: Throttle body question-Throttle switch!
    Historical mailing list - Dennis Haynes
    Fri, 13 Jun 2014 23:15:36 -0400
    The vacuum switches do not seem to operate for full throttle enrichment. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com...
  • Re: Idle Surge
    Historical mailing list - David Beierl
    Mon, 5 Aug 2013 18:08:09 -0400
    ...But remember that you don't have full-throttle enrichment so avoid full throttle to obviate any possibility of overheating the cylinders from lean...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Daryl Christensen
    Thu, 24 May 2012 18:16:16 -0700
    ...a closed throttle switch as being at full throttle so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message...
  • Part # for deceleration/idle switch on an 84
    Historical mailing list - Jim Gregory
    Tue, 11 Dec 2001 08:40:46 EST
    I went to my dealer to get a new full throttle enrichment switch and a deceleration/idle switch for my 84. The part numbers...
  • Re: Full Throttle AC Cutout?
    Historical mailing list - Michael Diehr
    Tue, 29 May 2007 19:26:31 -0700
    ...if > the full > throttle enrichment switch would also disengage the AC compressor > clutch. Of > course, since the Digifant full throttle switch does double duty...
  • Re: ECU and Throttle Question
    Historical mailing list - John Connolly
    Wed, 4 Aug 2004 14:46:36 -0600
    ...ECU and Throttle Question > At 06:24 8/4/2004, you wrote: > >I would agree up until you activate the full throttle position switch...
  • Re: '85 GL Loss of Fuel Economy
    Historical mailing list - Jim A
    Fri, 18 Aug 2000 08:28:27 -0700
    If yours has the full throttle enrichment switch, you might want to check its functioning. When the one on our '84 failed fuel usage...
  • Re: Full Throttle AC Cutout?
    Historical mailing list - Robert Fisher
    Sun, 27 May 2007 14:36:02 -0700
    ...After the > fourth or fifth time, it occurred to me that it would be handy if the full > throttle enrichment switch would also disengage...
  • Re: Full Throttle AC Cutout?
    Historical mailing list - Matt Roberds
    Tue, 29 May 2007 19:57:04 -0500
    ...if the full throttle enrichment switch would also disengage > the AC compressor clutch. Of course, since the Digifant full > throttle switch does double duty...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Daryl Christensen
    Thu, 24 May 2012 10:23:31 -0700
    ...a closed throttle switch as being at full throttle so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message...
  • Re: Why doesn't fuel shut off?
    Historical mailing list - Michael Elliott
    Mon, 29 Oct 2007 21:23:17 -0700
    ...full throttle and go to enrichment. This combined > with high manifold vacuum will pull extra fuel through the injectors. They > used to use throttle...
  • Re: Questions regarding throttle valve switch
    Historical mailing list - Karl Wolz
    Tue, 24 Jan 2006 21:56:00 -0700
    ...At full throttle, it provides maximum fuel enrichment for all the obvious reasons. At the fully closed position, it shuts down the fuel supply...
  • Re: idle/full throttle switch replacement
    Historical mailing list - EMZ
    Thu, 6 Aug 1998 07:18:07 -0400
    ...Bloss wrote: > I confirmed the death of my idle/full throttle enrichment switch on > our Digifant after Darrell's ECU tool found that, i...
  • 84 Vanagon 1.9 pulsing idle
    Historical mailing list - Preston Lewis
    Tue, 13 Apr 1999 14:23:37 -0700
    ...Warning, there is another switch nearby called the "full throttle enrichment switch" which, according to the manual, "supplies the control unit with information to...
  • 2 liter...By Jove i think i got it!
    Historical mailing list - Tarheel
    Wed, 18 Jul 2001 13:55:08 -0400
    ...Found that the little switch on top of the throttle body was bent not allowing it to engage for full throttle enrichment. Found crummy...
  • 85 Digijet throttle switches -- information please
    Historical mailing list - Kyle Hamilton
    Tue, 29 Jun 2004 16:21:40 -0400
    ...I found that the full-throttle enrichment and idle switches aren't making contact, and I can't get them to make contact at...
  • The two throttle valve switches, redux
    Historical mailing list - Michael Elliott
    Tue, 25 Sep 2007 18:26:04 -0700
    ...But if you /floor/ the pedal, the full throttle enrichment switch closes, which ALSO grounds ECU Pin 4. Bentley's tells us that when...
  • Re: Throttle switches
    Historical mailing list - David Beierl
    Thu, 6 Jun 2002 11:25:52 -0400
    ...the mixture for full-throttle operation. > This seems >backwards to me as in order for the engine to idle the switch is >noit activated...
  • Re: vanagon Digest - 4 Aug 2004 - Special issue (#2004-716)
    Historical mailing list - Stan Wilder
    Thu, 5 Aug 2004 09:00:21 -0500
    ...ECU and Throttle Question > > > > Here's my theory FWIW; the thinking behind the activation of the full > > throttle switch means you have "floor-boarded...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Dennis Haynes
    Thu, 24 May 2012 14:30:56 -0400
    ...a closed throttle switch as being at full throttle so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message...
  • unstable idle
    Historical mailing list - James Digennaro
    Tue, 4 Feb 1997 19:29:31 -0500 (EST)
    ...There are two switches on the throttle body, one is a full throttle enrichment switch the other cuts the fuel when decelerating. When the...
  • By the Powers Check your Microswitch or Temp II
    Historical mailing list - Mark Keller
    Mon, 13 Sep 2004 08:04:40 -0700
    ...What your dealing with is cold start enrichment. Sounds like the engine is a tad rich until full operating tempature. So, either your basic...
  • Re: vanagon Digest - 4 Aug 2004 - Special issue (#2004-716)
    Historical mailing list - d spence
    Thu, 5 Aug 2004 07:18:28 -0600
    ...ECU and Throttle Question > > Here's my theory FWIW; the thinking behind the activation of the full > throttle switch means you have "floor-boarded...
  • Re: 85 Digijet throttle switches -- information please
    Historical mailing list - Michael Diehr
    Tue, 29 Jun 2004 15:43:13 -0700
    ...but I've been >going through the fuel injection system. > >I found that the full-throttle enrichment and idle switches aren't making >contact...
  • Re: Fw: Question-Oxygen Relay?
    Historical mailing list - Neil N
    Tue, 5 May 2020 17:00:12 -0700
    ...My guess is that at full throttle this is > how the O2 sensor was disabled. Full throttle gives some enrichment for > power and to...
  • Re: is it possible to not have a TPS?
    Historical mailing list - Dennis Haynes
    Mon, 4 Jun 2007 22:56:36 -0400
    ...The functions missing without are the injector cut off when the engine is over run with the throttle closed and full throttle enrichment. Dennis...
  • Re: Just replaced the throttle switch and am having drivability issues
    Historical mailing list - Dennis Haynes
    Mon, 6 Feb 2006 19:14:58 -0500
    ...the throttle switch disconnected. The only thing you will be missing is the injector shut off during deceleration and full throttle enrichment. Find what...
  • Re: Why doesn't fuel shut off?
    Historical mailing list - Mike Collum
    Mon, 29 Oct 2007 19:20:57 -0400
    ...throttle > idle position switch and rpm. > > But when going downhill in gear, foot off gas as indicated by dark LED, > and with the transmission...
  • Re: Why doesn't fuel shut off?
    Historical mailing list - Dennis Haynes
    Tue, 30 Oct 2007 00:19:31 -0400
    ...full throttle and go to enrichment. This combined with high manifold vacuum will pull extra fuel through the injectors. They used to use throttle...
  • Re: The two throttle valve switches, redux
    Historical mailing list - David Kao
    Tue, 25 Sep 2007 21:44:20 -0700
    ...injectors (24.33). > > But if you /floor/ the pedal, the full throttle enrichment switch closes, > which ALSO grounds ECU Pin 4. Bentley's tells...
  • Re: full throttle switch boost - HOW TO?
    Historical mailing list - Frank Grunthaner
    Thu, 30 Aug 2001 14:01:43 EDT
    ...The full throttle switch will trigger the ECU to generate an open loop operation (bypasses the O2 sensor input) and goes to a preprogrammed...
  • Re: 85 Digijet throttle switches -- information please
    Historical mailing list - Chuck Mathis
    Tue, 29 Jun 2004 18:09:06 -0500
    ...but I've > been > going through the fuel injection system. > > I found that the full-throttle enrichment and idle switches aren't > making > contact...
  • Re: irregular idle speed
    Historical mailing list - Karl Bloss
    Wed, 12 Aug 1998 10:55:31 +0000
    ...I had this and set it back a bit (big screw on the throttle body). Another possible problem is that your idle enrichment switch...
  • Re: Throttle switches
    Historical mailing list
    Thu, 6 Jun 2002 10:37:27 -0500
    ...mixture for full-throttle operation. Makes sense. > > This seems > >backwards to me as in order for the engine to idle the switch is > >noit...
  • Re: idle microswitch
    Historical mailing list - Dennis Haynes
    Thu, 14 Nov 2013 22:01:54 -0500
    ...Get the engine speed over that bump and then the system will go for full throttle enrichment. Dennis -----Original Message----- From: Vanagon Mailing List...
  • Re: ECU and Throttle Question
    Historical mailing list - John Rodgers
    Thu, 5 Aug 2004 12:57:44 -0500
    ...Regards, John Rodgers 88 GL Driver Ken Lewis wrote: >Here's my theory FWIW; the thinking behind the activation of the full >throttle switch...
  • Re: 85 Digijet help request
    Historical mailing list - Jim Thompson
    Mon, 1 Dec 1997 13:25:53 EST
    ...when to go to full enrichment at full throttle. Some later 85's, this was incorporrated as a single switch with dual contacts. 83...