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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 20+: 60 results shown for Vacuum switch.

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

  • Re: Hello, new here. Mechanic question
    Historical mailing list - Dennis Haynes
    Fri, 14 Feb 2014 19:43:59 -0500
    ...Intake (Vacuum) leaks can cause all sorts or havoc. The throttle switch will not fix any of this! A new catalytic converter may clean...
  • Re: Quick throttle body re-bush
    Historical mailing list - Alistair Bell
    Sun, 14 Sep 2014 08:39:09 -0700
    ...wrote: >>>> very helpful Alistair. >>>> >>>> I still may buy the gowesty vacuum operated TB switch for my '88 but >>>> knowing that HDPE likely works (untested...
  • Re: Feedback wanted: SA stainless tanks last year
    Historical mailing list - Ben T
    Fri, 22 Mar 2013 16:42:01 -0700
    ...This makes no sense to me because as you transfer fuel, you would quickly create a vacuum >> condition in the aux tank, and the...
  • Lake Trip Report and fuel pressure question
    Historical mailing list - Craig Oda
    Tue, 20 Jul 2004 10:09:52 -0700
    ...I also plan on testing the vacuum pressure. Before I do this, does anyone have any words of wisdom about fuel pressure? Is it...
  • Re: Engine running badly
    Historical mailing list - Lovemyairedales
    Mon, 2 Oct 2017 09:40:10 -0400
    ...The other possible cause is a bad hose between > fuel pressure regulator and intake plenum. (hose has a vacuum leak) > > If you're seeing...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - Mike Frost
    Wed, 14 Feb 2007 11:53:45 -0800
    ...I've checked for vacuum leaks by spraying stater fluid everywhere. I checked the voltage from the O2 sensor in open loop and it...
  • Re: ARG! HELP! fuel pump problems
    Historical mailing list - Jay L Snyder
    Thu, 16 Jan 2003 10:59:53 -0500
    ...If it is a vacuum problem, how long should I have to run the van with the fuel filler cap off? I just tried...
  • Re: 84 running issue solved?
    Historical mailing list - Eric Caron
    Thu, 2 Jun 2022 10:11:58 -0400
    ...Last year I dealt with stalling issues and eventually found that the throttle switch was worn out. I replaced the throttle body with the...
  • Re: Engine Interrupted. Any Ideas, Please?
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 14 Mar 2010 17:26:01 -0700
    ...cracked air intake boot , vacuum hoses etc. if it has points ignition instead of pure electronic ... look into the points and the distrubutor itself...
  • Re: AFM and idle issue
    Historical mailing list - Skip Laubach
    Sun, 24 Sep 2023 08:07:32 -0500
    ...Have not determined source of vacuum leak (if that is the cause of the “searching idle” - variable rpms at idle). At speed the engine...
  • Re: I Love My New Cruise Control (Long)
    Historical mailing list - Richard Koerner
    Mon, 15 May 2006 09:52:49 -0700
    ...Works OK, but I'm not sure I have the DIP switches set exactly right, because my unit drifts around more than I'd...
  • Re: Question about Transmission Stutter
    Historical mailing list - Ryan Perry
    Tue, 21 Mar 2017 01:20:52 +0000
    ...New S boot as well and all vacuum lines redone. I found a thread on samba that talks about some of the same issues...
  • Re: Air Conditioning
    Historical mailing list - John Rodgers
    Mon, 27 Sep 2021 07:45:00 -0500
    ...Back when I had my '88 van, I dutifully switched my system > > over to R-134a because R12 was going out and what little...
  • Re: .................... and vanagons
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 12 Mar 2010 18:45:16 -0800
    ...a micro switch in the shifter switches a vaccum valve ( got that part too ) that disengaes the conventional clutch. Then you put it in...
  • Re: '84 1.9: 3/4 power and running ugly
    Historical mailing list - Jonathan Farrugia
    Tue, 24 Aug 2004 14:28:57 -0400
    ...Last month, as i ascended Wyoming's Big Horn Mountains (up to > 10000ft) , the engine switched from a smooth running hum to a rougher...
  • =?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 body is worn (and of course if there are vacuum leaks) you may not be able to set the idle down...
  • Re: Hesitation on 87 Vanagon O2 sensor? reply
    Historical mailing list - Michael Modl
    Fri, 7 Aug 1998 00:37:21 EDT
    ...Why am I getting "negative" 0.1 volts for about 3 to 4 seconds? (using analog gauge need to switch polarity to measure negative...
  • Re: A/C repair $ticker $hock - not "urgent," but "pressing"
    Historical mailing list - Mike Finkbiner
    Thu, 19 Aug 1999 20:29:27 GMT
    ...Total bill with labor for vacuum testing and re-charging ~$165. Their price may be reasonable, depending on what they are paying for parts...
  • Re: Idle Control System Explanation, please?
    Historical mailing list - Kevin Duvernay
    Fri, 13 Mar 2015 20:46:53 -0500
    ...Be sure > to check for vacuum leaks and clean all the engine grounds. Be sure to use > a new TB rubber seal too, the...
  • Re: Vanagon Carat - 1991
    Historical mailing list - Dan N
    Fri, 15 Oct 2021 12:58:54 -0700
    ...All parts courtesy of Joel. > > Next came replacement of leaking brake master cylinder and switches. Then > came replacement of rear brake cylinders, brake shoes...
  • Re: Failed Emissions - High HC at Idle
    Historical mailing list - OlRivrRat
    Fri, 9 Aug 2013 09:06:34 -0600
    ...I would do a >> compression and leak down test to make sure all is in order, then >> look for vacuum leaks or bad injectors...
  • Re: Tips on replacing Temp 2 sensor The easy way!
    Historical mailing list - Dennis Haynes
    Mon, 26 Jan 2015 18:12:29 -0500
    ...Fuel lines Fuel pump & filter Set throttle switch Cleaned throttle body Checked AFM resistance Checked for vacuum leaks Rebuilt injectors Replaced idle control module...
  • Re: Van dying once warmed up; FI motor
    Historical mailing list - John Y. Hung
    Wed, 8 Aug 2001 15:05:32 -0500
    ...On my Vanagon, there is a coolant temperature sensor, air temperature sensor, air flow sensor, O2 sensor, and several switches to check. On most...
  • Re: Arduino and Vanagons: connectors?
    Historical mailing list - Steven Johnson
    Fri, 15 Nov 2013 12:21:50 -0800
    ...rare occasions when I wanted or needed that. >>> A switch to one of those vacuum valves, if you have any on your van >>> there...
  • Re: Electrical Fire in the Engine Bay
    Historical mailing list - Tom Lambas
    Mon, 22 Aug 2011 16:43:04 -0500
    ...I immediately put it in neutral, turned off the AC, >> recycled the ignition switch, but nothing happened. None of the panel >> lights came on...
  • Re: Idle stabilization control question--fixed
    Historical mailing list - Tim Marciniak
    Sat, 10 Mar 2007 12:08:08 -0600
    ...I had even more driveability issues. >>> -adjusted and checked throttle position switch >>> -cleaned idle stabilzation control valve with carb cleaner and >>> verified that its...
  • Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
    Historical mailing list - neil n
    Fri, 27 Jul 2012 15:57:16 -0700
    ...I need to put more study into the relationship and wiring between the idle stabilization module, ECU, throttle switch etc. Something must be hinky...
  • Re: Digijet rough/wandering idle and bucking at slower speeds
    Historical mailing list - TonyCollins
    Thu, 26 Sep 2013 22:35:54 -0400
    ...I believe the "engine dying at stoplight" syndrome is corrected. > > Vacuum leaks as a result of bumps in the road I like (the idea...
  • Re: End of saga? -- Back home with '84 with rebuilt head
    Historical mailing list - Roger Whittaker
    Sat, 10 Dec 2011 22:36:17 -0800
    ...12:09 AM, Scott Daniel - Turbovans < scottdaniel@turbovans.com> wrote: > throttle switch making contact at idle. > > my what I see .. > about 70 % of vanagons...
  • Re: Now Preventative Maintenance, Was Do U carry spare ECU?
    Historical mailing list - Tom Hargrave
    Thu, 15 Apr 2010 17:16:40 -0500
    ...Most control and switching circuits were relays and many of the relays were open, not encased, like in cross bar switches. And regs at...
  • Re: '84 1.9: 3/4 power and running ugly
    Historical mailing list - John Lauterbach
    Thu, 26 Aug 2004 00:01:33 -0400
    ...Last month, as i ascended Wyoming's Big Horn Mountains (up to > 10000ft) , the engine switched from a smooth running hum to a rougher...
  • Re: wiper motor problem
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 4 May 2013 15:01:46 -0700
    ...At least they had electric rather than vacuum operated wipers. On 5/4/2013 2:28 PM, Steve Cotsford wrote: > Well I was expecting...
  • Re: New Vanagon owner needs some help
    Historical mailing list - Scott Grillo
    Fri, 30 Aug 2002 12:44:34 -0400
    ...So, what am I saying? It may not be electrical, it could be pneumatic, as the system runs off of engine vacuum to make...
  • Re: Top Overhauls
    Historical mailing list - Jeffrey Schwaia
    Wed, 18 Dec 2002 16:37:08 -0800
    ...My problems have been limited to bad radios, transponders and vacuum pumps. I was upset before, but compared to you it sounds like I...
  • 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: monitoring system
    Historical mailing list - Joel Walker
    Fri, 23 Jul 2004 22:05:31 -0500
    ...also switchable to metric measurements. but the people who used to make them got bought out by some company that didn't want to...
  • Re: 87 2.1 dies after 30 seconds
    Historical mailing list - Jim Felder
    Fri, 27 Feb 2015 16:39:58 -0600
    ...good >>>>> throttle switch is adjusted good >>>>> idle control valve and module are both good >>>>> ECU is good >>>>> the purple and white vacuum lines appear...
  • Re: Platinum Cat heater while mobile..
    Historical mailing list - harald_nancy
    Thu, 7 Dec 2000 12:55:30 -0800
    ...On my plat cat, there is actually a vacuum operated switch, which senses if the fan is moving enough air. If in doubt, call...
  • Re: 1.9 engine HELP!!!
    Historical mailing list - Danny C.
    Fri, 8 Jan 2010 19:21:25 -0800
    ...I changed the throttle body to one I know is good, I changed the air flow meter again, I changed the throttle position switch...
  • Re: Cold Engine/high idle
    Historical mailing list - Katy
    Wed, 7 Jun 2000 11:03:17 -0500
    ...Then I noticed this post below on the list. > There is a switch under the throttle housing on the engine that can cause > this...
  • Re: How to convert to 134?
    Historical mailing list - John C...
    Wed, 7 May 2008 21:06:21 +0000
    I've switched over to Freeze 12 and have had pretty good luck with it. It seems to cool with the best of them...
  • Re: How to convert to 134?
    Historical mailing list - Ken Wilford
    Tue, 6 May 2008 14:07:33 -0400
    ...Whenever you turn the A/C switch on you should get the radiator fan on as well at the same moment. If this fan...
  • Bob Donalds big valve engine--yet another update (WAY LONG)
    Historical mailing list - Marc Perdue
    Mon, 27 Jun 2005 22:11:05 -0400
    ...Any ideas? Pins 6 and 11, Throttle Switch: 6.2 ohms--I didn't check it at idle or full throttle because my arms...
  • Re: Vanagon Carat - 1991
    Historical mailing list - John Rodgers
    Fri, 15 Oct 2021 15:52:45 -0500
    ...All parts courtesy of Joel. > > Next came replacement of leaking brake master cylinder and switches. Then > came replacement of rear brake cylinders, brake shoes...
  • Re: Idle stabilization control question
    Historical mailing list - Jim Felder
    Sat, 10 Mar 2007 09:07:42 -0600
    ...I had even more driveability issues. >>> -adjusted and checked throttle position switch >>> -cleaned idle stabilzation control valve with carb cleaner and >>> verified that its...
  • Re: dometic won't light
    Historical mailing list - David Beierl
    Fri, 2 Feb 2001 04:23:23 -0500
    ...Ok, that turns on the gas supply. > Turned switch to gas flame (as opposed to battery or 110 V electrical > operation). That turns off...
  • Re: Vanagon running rough
    Historical mailing list - Craig Oda
    Mon, 10 Jan 2005 08:11:33 -0800
    ...air (vacuum) lines that are disconnected. Trip sounds fantastic. -- Craig On Sun, 9 Jan 2005 21:18:33 +0000, Stew <stew@switch99.f2s.com...
  • Re: AFM and idle issue
    Historical mailing list - Dan N
    Sun, 24 Sep 2023 08:09:56 -0700
    ...Have not determined source of vacuum leak > (if that is the cause of the “searching idle” - variable rpms at idle). At > speed the engine...
  • Sorry! Mispost Was: Re: vanagon Digest - 29 Jun 2012 - Special issue (#2012-424)
    Historical mailing list - TJ Hemrick
    Sat, 30 Jun 2012 14:20:37 +0430
    ...micro switch ( > VW > Squareback has this too, but only in a 3 speed version ) on the shifter > disengages a conventional clutch using vacuum ( I...
  • Euro-Drive: FIX 88 Volkswagen Vanagon, Emissions/Poor-idle
    Historical mailing list - "Eli Melnick (by way of Derek Drew )"
    Sat, 23 Dec 2000 16:25:33 -0500
    ...The enrichment/idle switches are functioning. The coolant sensor has been replaced and another ECM was apparently tried without success. There are no vacuum...
  • Cold Start/haltech Update
    Historical mailing list - Max Wellhouse
    Mon, 24 Mar 2008 20:36:06 -0500
    ...After cleaning all the grounds and sealing up all the potential vacuum leaks, putting in a 4 gauge wire between the starter and alternator...
  • Re: Lake Trip Report and fuel pressure question
    Historical mailing list - Craig Oda
    Tue, 20 Jul 2004 21:49:06 -0700
    ...Pressure was about 29psi with the system connected, over 60psi with the fuel return line clamped shut and around 36 psi with the vacuum...
  • Fuel mixture too rich?
    Historical mailing list - Barb Ourada
    Mon, 13 Sep 2010 17:03:58 -0500
    ...And the idle/full throttle switch was replaced. The timing has been checked good, the wires are low mileage, and the spark plugs are...
  • Re: Locking rear differential
    Historical mailing list - Todd Last
    Thu, 28 Aug 2008 20:27:33 +0000
    ...and hooked it up just like a syncro. (Note that the vacuum diagram in Bently is not correct.) It works fine and there is...
  • Re: Inverter Questions
    Historical mailing list - Roger Whittaker
    Thu, 24 Jul 2008 12:31:34 -0700
    ...ve battery connection and I > was going to put in a switch to eliminate the no load draw when not in use. > I was...
  • Re: Shake down trip and engine bucking
    Historical mailing list - John Rodgers
    Tue, 3 Oct 2006 03:55:31 -0500
    ...Other vacuum line leaks also can cause rough or intermittant rough running as well.You might have AFM problems or throttle switch problems, but...
  • Re: Tips on replacing Temp 2 sensor The easy way!
    Historical mailing list - Stuart MacMillan
    Mon, 26 Jan 2015 12:01:03 -0800
    ...Fuel lines Fuel pump & filter Set throttle switch Cleaned throttle body Checked AFM resistance Checked for vacuum leaks Rebuilt injectors Replaced idle control module...
  • Re: diesel-gas conversion problems solved! (mostly)
    Historical mailing list - Open Wheel Racing
    Fri, 31 Jan 2003 19:21:27 -0600
    ...diesel-gas conversion problems solved! (mostly) > > > > I tracked down a vacuum leak on my diesel-gas conversion today - bad > intake > > manifold gasket. I put...
  • Re: your opinion please - part 2
    Historical mailing list - Eric Brown
    Tue, 8 Jun 1999 10:56:17 -0700
    ...The other is supposed to be wired to the other side of the "brake switch". This is the side of the "brake switch" that...
  • Re: slight surge from 2000 to 3000 to 2000 and back
    Historical mailing list - Joe Romas
    Fri, 9 Mar 2001 15:43:55 -0500
    ...switchs turn off as soon as you move the accelerator cable and > when fully open. Air filter new. Ohhh, new seat swivel. All vacuum...