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Page 18+: 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: Van adventure and tech quiz
  Historical mailing list - OlRivrRat
  Thu, 28 Apr 2022 23:09:08 -0600
  ...net> wrote: > >> I’ll go with >> >> Throttle Position Switch >> >> Throttle Idle Screw not open enough >> >> Vacuum Leak >> >> Intake Leak >> >> Timing not advanced enough >> >> Low...
• Re: rough off the line (Was: injector resistance)
  Historical mailing list - Bradley Flubacher
  Sun, 1 Jul 2001 21:21:20 -0400
  ...I've also replaced all the vacuum lines and adjusted (and tested) the throttle position switches. I think my big problems are the wiring...
• Re: Failed Emissions - High HC at Idle
  Historical mailing list - OlRivrRat
  Fri, 9 Aug 2013 01:09:55 -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: Did a silly thing, white elephant acquired
  Historical mailing list - Jim Felder
  Fri, 9 Sep 2022 17:16:45 -0500
  ...things like vacuum/pressure, volts, ohms , > > dwell, timing etc. plus a screen that is more or less an oscilloscope. > Plus > > button switches and wood...
• Re: Proper Brake Pedal Feel/Travel?
  Historical mailing list - neil n
  Tue, 23 Mar 2010 22:58:20 -0800
  ...Feel of pedal changes when booster vacuum expired. I'm just about certain booster is working properly. But..... I get what you're saying...
• Re: "Recorder with warning switch" - what is this?
  Historical mailing list - Kenneth Wilford
  Mon, 14 Oct 2002 11:58:09 -0400
  ...vanagon@GERRY.VANAGON.COM Subject: "Recorder with warning switch" - what is this? Can anyone tell me what the function of this thing is? (Yes...
• Re: Throttle body/idle stabilizer woes...
  Historical mailing list - Marla Stelk
  Wed, 17 Sep 2003 11:36:15 -0400
  ...Took apart the throttle body and cleaned and >lubricated everything....set the switch up...but i am having a vacuum >leak now...it seems...
• '84 1.9: 3/4 power and running ugly
  Historical mailing list - Shiva Polefka
  Tue, 24 Aug 2004 11:14:29 -0700
  ...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: 84 Vanagon: Would you fix if it yourself (if you were me?)
  Historical mailing list
  Tue, 22 Oct 1996 23:06:39 -0400
  ...A bad throttle switch will not cause the above conditons. I would also make sure that all the grounds are good. I would definately...
• Re: Digijet rough/wandering idle and bucking at slower speeds
  Historical mailing list - Skip
  Fri, 27 Sep 2013 02:44:57 +0000
  ...I do have wandering idle issues, which I presume is related to vacuum leaks or lambda (O2 sensor) weakness or what else (AFM?)? O2...
• Re: Problems heading NORTH
  Historical mailing list - Stuart MacMillan
  Fri, 17 Dec 1999 15:06:51 -0800
  Possibly a restriction in the fuel tank "vapor recovery" (vent) system creating a vacuum that is causing fuel flow problems. Try leaving the cap...
• Fwd: The price of air conditioning
  Historical mailing list
  Wed, 25 Dec 1996 19:35:50 -0500
  ...Like the "price of admiralty," it's high! Except for several recharges and one switch problem, all was well until 1995. Following an engine...
• Re: Air Conditioning
  Historical mailing list - Raimund Feussner
  Mon, 27 Sep 2021 08:42:09 +0200
  ...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: Correct Gap of Sparks
  Historical mailing list - Clive Smith
  Thu, 20 Feb 2003 23:38:29 -0000
  ...These distributors had no vacuum advance and generally showed pretty accurate centrifugal advance curve, with a single kink, where the stiffer of two springs...
• Re: ?utf-8?Q?Re=3A_Are_all_2.1_engines_digifant=3F?=
  Historical mailing list - Frank Condelli
  Mon, 5 May 2014 05:44:47 -0400
  ...Are you sure that the throttle body switch is adjusted properly and working ? Also, check ALL the vacuum lines are attached, a leak could...
• Re: Engine Cranks but No Start
  Historical mailing list - SDF ( aka ;jim lahey' - Scott )
  Wed, 30 Mar 2016 12:28:52 -1000
  ...pop your NOID light on an injector wire, crank the engine from back there with a Remote Starter Switch ..if light flashes, injectors are...
• Re: About the Solex's VS Weber, mechanical trip report & dealer bashing!
  Historical mailing list - Harald Rust
  Sat, 29 Mar 2003 12:18:01 -0800
  ...It's true, you do have to use an 009 distributor with that carb, since you can't use a vacuum advance. About the...
• Re: revving idle --> 83 Westy gasser
  Historical mailing list - Dennis Haynes
  Fri, 27 Nov 2009 08:26:22 -0500
  ...When the throttle is closed, (switch is being made) and the engine for any reason goes above 1,300 rpm the injectors get turned...
• Re: Cold start 3 cylinder stalling and bucking idle insanity!!!
  Historical mailing list - Ken Wilford
  Thu, 3 Feb 2005 07:18:56 -0500
  ...Found and replaced 2 broken >vacuum lines. Checked throttle switch per Bentley and found it to be ok. I have a nicely >humming idle...
• Re: Idle Control System Explanation, please?
  Historical mailing list - Stuart MacMillan
  Fri, 13 Mar 2015 18:32:53 -0700
  ...Be sure to check for vacuum leaks and clean all the engine grounds. Be sure to use a new TB rubber seal too, the...
• Powerwashing FAIL
  Historical mailing list - mordo
  Sun, 24 Jan 2010 10:24:11 -0500
  ...I did test the current to the TPS yesterday but I did not measure resistance of the switch, only voltage to the switch. I...
• Re: So... what is the answer for these poor lights?
  Historical mailing list - David Beierl
  Fri, 6 Jun 2003 10:19:44 -0400
  ...VW's light >switches are low-quality and don't handle the power throughput well. >A relay bypasses the switch, which then only activates...
• Re: RoadHaus - Escaping Air Sound?
  Historical mailing list - Stan Wilder
  Mon, 16 Feb 2004 17:55:53 -0600
  ...disconnecting the phone line to the computer solved the problem until we could reset the switch. It was a funny event though, with everything...
• Re: Intermittent Ignition miss, no start,or rich running, need help!, LONG
  Historical mailing list - Darrell Boehler
  Thu, 7 Oct 1999 08:31:03 -0500
  ...Since it was already > adjusted to the limit of its range, I had to remove the throttle body to > bend the switch arm for...
• Re: Idle Surge
  Historical mailing list - T Collins
  Thu, 27 Oct 2011 10:12:21 -0400
  ...TB switch Vacuums Idle staibalizer Timming Here is what he wrote: *hi all.. ok... some things about getting a good steady idle, a strong...
• Re: Idle Air Control Valve
  Historical mailing list - David Beierl
  Sat, 11 Mar 2017 00:51:36 -0500
  ...and adjust the TPS (throttle body switch) > - replace the temp2 sensor > - replace oxygen sensor > - replace all vacuum lines > - new air filter > - clean AFM > - new...
• Re: Subject: 86 Vanagon intermittently shuts off at speed
  Historical mailing list - Tonya Pope
  Thu, 18 Mar 1999 01:54:23 -0600
  ...Ignition switch ($30 to replace) > 2. Air sensor ($450 for part) > 3. fuel filter > 4. Fuel pump > 5. Water in cooling system > 6. some...
• Re: Computer Problem?
  Historical mailing list - Tom Young
  Fri, 8 Aug 1997 17:10:39 -0700 (PDT)
  ...Once you switch from "Start" to "Run" the cold start valve is no longer in the game. However, the auxiliary air regulator starts out...
• '88 Vanagon Emmissions fix
  Historical mailing list - Jim Arnott
  Sat, 23 Dec 2000 15:16:10 -0800
  ...The enrichment/idle switches are functioning. The coolant sensor has been replaced and another ECM was apparently tried without success. There are no vacuum...
• Re: air conditioning
  Historical mailing list - Warren Lail
  Sat, 24 Jun 2006 16:57:19 -0500
  ...radiator fan and blower turn on when > I switch on the unit. I will be vacuuming down the system and > charging it tomorrow at...
• Re: '88 Westy Bucking / Stalling
  Historical mailing list - Jack R
  Tue, 25 Aug 2020 10:23:37 -0400
  ...If you are having "bucking" or issues coming off of Highway to high RPM, you may have a vacuum hose leak. These braded hoses...
• Re: End of saga? -- Back home with '84 with rebuilt head
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 10 Dec 2011 00:09:46 -0800
  throttle switch making contact at idle. my what I see .. about 70 % of vanagons have that feature not working.. at least half of the...
• Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
  Historical mailing list - Dennis Haynes
  Sat, 28 Jul 2012 01:43:29 -0400
  ...Am still tracking >>> down a surging issue. ..... >>> (Throttle switch test showed a nice square wave btw). He also kindly >>> gave me a brief tutorial...
• Vanagon Carat - 1991
  Historical mailing list - John Rodgers
  Fri, 15 Oct 2021 14:40:48 -0500
  ...Next came replacement of leaking brake master cylinder and switches. Then came replacement of rear brake cylinders, brake shoes and bleeding of brakes. New...
• Re: 1.9 Digifant with poor milage and low top-end power.
  Historical mailing list - Gregory Smith
  Thu, 25 Feb 2010 22:13:42 -0700
  ...I also checked the throttle body switches and the idle switch engages perfectly. I am not able to detect a click at full throttle...
• Re: poor startup and cold running 2.1 WBX
  Historical mailing list - Dennis Haynes
  Tue, 1 Oct 2013 19:08:59 -0400
  ...I have checked the temperature sensor and idle switch already.� The idle system and idle air bypass seem to be working.� I remember checking...
• cruise control - aargh!
  Historical mailing list - Jim Fritz
  Fri, 18 Jun 1999 10:43:55 -0500
  ...I think it sounds like a vacuum pressure problem, but what do I know?!?!? Help!?!?!?! Jim in Iowa 91 Passat Wagon GL 89 Westy...
• Continued >>>oil in gas and plug fouling.....
  Historical mailing list - Alan Cady
  Wed, 21 Dec 2005 13:43:26 -0800
  ...Not leaking gas into the intake manifold through the vacuum hose. Ken How would I verify this? 3. Not leaking down (bad injector) when...
• Re: Arduino and Vanagons: connectors?
  Historical mailing list - JRodgers
  Thu, 14 Nov 2013 23:02:33 -0600
  ...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: Did a silly thing, white elephant acquired
  Historical mailing list - Alistair Bell
  Fri, 9 Sep 2022 18:33:21 -0700
  ...things like vacuum/pressure, volts, ohms , >>> dwell, timing etc. plus a screen that is more or less an oscilloscope. >> Plus >>> button switches and wood...
• Re: '86 still plagued! (was rich running)
  Historical mailing list - Randy Newell
  Mon, 7 Jul 1997 11:25:48 -0500
  ...Also > check the throttle switch that tells the ECU to idle or not. > > > Tom > > Hi Volks, > > Yep, the dreaded rich running '86 is still...
• Big Lots things for your Vanagon
  Historical mailing list - Edward Maglott
  Sat, 6 Jul 2002 10:12:01 -0400
  ...It will need to have a switch added to turn it on and off, and some way to manage the cord so it isn...
• <syncro> bits needed/misc
  Historical mailing list
  Fri, 16 May 1997 17:11:13 -0300 (ADT)
  Hi folks, I _need_ a difflock switch+knob from the dash panel, infact I'd take the whole panel as a spare. Anyone got...
• Re: What to carry?
  Historical mailing list - TJ Hannink
  Thu, 21 Oct 2004 15:24:08 -0700
  ...integrated paging system that has a 2-mile range A panic switch that turns on all interior and exterior lights simultaneously A musical horn...
• Re: 1991 Carat AC System servicing
  Historical mailing list - John Rodgers
  Fri, 30 Sep 2016 16:32:13 -0500
  ...1991 Carat AC System servicing > > Today was an interesting day of days. > > Flushed system, pulled a vacuum, put in PAG 46 oil, added 12...
• Re: At Idle: AFM Flap, CO Screw Relationship. Explanation Found
  Historical mailing list - neil n
  Sun, 8 Jul 2012 11:23:06 -0700
  ...After passing emissions, I started testing and working on things like the throttle valve switch, idle stabilization circuit and parts (module was bad). At...
• <syncro> parts needed/misc
  Historical mailing list
  Sat, 17 May 1997 08:44:36 -0300 (ADT)
  Hi folks, I _need_ a difflock switch+knob from the dash panel, in fact I'd take the whole panel as a spare. Anyone...
• Re: 2.1 Syncro; Failed Emissions "Say it ain't so Joe:" :o)
  Historical mailing list - John C...
  Sun, 19 Oct 2008 02:27:28 +0000
  ...Scott Daniel - Turbovans <scottdaniel@TURBOVANS.COM> > good advice on not using premium. > also............check throttle switch adjustment. > get the van as hot as you...
• Re: Short shift for 5 speed
  Historical mailing list - Jeff Schwaia
  Fri, 29 Jun 2012 14:21:07 -0700
  ...micro switch ( VW Squareback has this too, but only in a 3 speed version ) on the shifter disengages a conventional clutch using vacuum ( I...
• Hard Starting Cold and Hot
  Historical mailing list - Tim Marciniak
  Wed, 19 Oct 2005 19:49:27 -0500
  ...distrib cap are ok -checked engine vacuum--no leaks -checked intake system--no false air -checked throttle switch--ok -replaced coolant temp sensor -checked...
• Electrical Fire in the Engine Bay
  Historical mailing list - John Rodgers
  Mon, 22 Aug 2011 15:21:07 -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: Powerwashing FAIL
  Historical mailing list - dylan
  Sun, 24 Jan 2010 08:26:31 -0800
  ...I did test the current to the TPS yesterday but I did not measure resistance of the switch, only voltage to the switch. I...
• An intro and Throttle Body leak question
  Historical mailing list - Susie Ingham
  Wed, 16 Mar 2011 10:58:03 -0400
  ...There seems to be a leak in the shaft of the Throttle body-- we switched it out with another ( used) and it too leaks...
• Re: 87' wolfie surging problem
  Historical mailing list - Mark Keller
  Wed, 24 Nov 1999 13:55:21 -0800
  ...The throttle switch has been adjusted to spec. The coolant > >> sensor meets spec. (tested when cold -- coolant at 50 farenheit). What's > >> left? Vacuum...
• Re: throttle body fun
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 9 May 2010 14:01:47 -0700
  ...a concern I have is that a worn TB will prevent consistent return to idle contact on the switch. Like half the time it...
• Re: Rostra All-Electronic Cruise Control
  Historical mailing list - Frank Grunthaner
  Sat, 29 Jun 2002 23:31:10 EDT
  ...Unfortunately, the A2 cars use a Vacuum/rpm/vehicle speed algorithm to calculate MPG. Don't really measure it. I've switched to a...
• Re: Engine running badly
  Historical mailing list - Neil N
  Sun, 1 Oct 2017 15:06:49 -0700
  ...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: Airconditioning 1987 Westy
  Historical mailing list - Open Wheel Racing
  Sat, 29 Mar 2003 00:41:22 -0600
  ...If the system holds, then vacuum system of the air, and fill with 134 a as usual. Of course recheck for leaks with an...
• Re: R134a in 88 Weekender.
  Historical mailing list - Jim Henry
  Thu, 3 Jul 2003 17:11:52 -0400
  ...The described effort cost me $300 (with some new hoses)to switch to 134, but it is still cool 3 years later. Refill with...
• Re: It continues - Engine RPM Hunting 200-500 rpm
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 9 Oct 2010 18:32:46 -0700
  ...If you do not, the throttle switch is not making contact. it can be adjusted in place with the right Allen wrench ....but it...