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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 17+: 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: End of saga? -- Back home with '84 with rebuilt head
    Historical mailing list - John Lauterbach
    Sun, 11 Dec 2011 02:34:38 -0500
    ...Next step is to check the idle switches. John On Sat, 2011-12-10 at 00:09 -0800, Scott Daniel - Turbovans wrote: > throttle switch...
  • Re: Cold Start Unsolved: Help
    Historical mailing list - EMZ
    Mon, 23 Aug 1999 13:03:00 -0400
    ...As I mentioned > in last weeks post, I replaced the Temp 2 sensor and adjusted the throttle > switch properly, replaced plugs, distrib cap and...
  • Cruise control tips
    Historical mailing list - Todd Last
    Mon, 19 Feb 2001 17:24:27 -0800
    ...If you follow the flowchart, and on Step 3 " Vacuum vent valves do not work" Add the following: If your test light does not...
  • Re: No idle when engine cold
    Historical mailing list - Dan N
    Sat, 25 Apr 2020 09:21:48 -0700
    ...On Sat, Apr 25, 2020 at 9:18 AM Chris S <szpejankowski@gmail.com> wrote: > Vacuum leaks! > > My intake exits to the rear of...
  • Re: 84 running issue solved?
    Historical mailing list - Eric Caron
    Tue, 31 May 2022 12:16:16 -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: '86 still plagued! (was rich running)
    Historical mailing list - Tom Brunson
    Fri, 4 Jul 97 14:50:24 UT
    ...Also check the throttle switch that tells the ECU to idle or not. Tom Hi Volks, Yep, the dreaded rich running '86 is still...
  • Re: Cold start 3 cylinder stalling and bucking idle insanity!!!
    Historical mailing list - Adam H. Behle
    Thu, 3 Feb 2005 00:54:04 -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: 2.1 wbx Compression Test
    Historical mailing list - David Bohannan
    Fri, 5 May 2017 12:32:50 -0400
    ...Dave > On May 5, 2017, at 12:10 PM, Neil N <musomuso@GMAIL.COM> wrote: > > Thanks Dennis. > > The Gowesty vacuum type throttle switch was...
  • Re: Running rich.....me too
    Historical mailing list
    Thu, 18 Oct 2007 11:05:00 -0400
    ...The FI system in the vanagon is not rocket science, most faults can be diagnosed with a fuel pressure gauge, vacuum gauge and trouble...
  • 83 Vanagon stalling UPDATE
    Historical mailing list
    Wed, 22 Oct 1997 10:03:52 -0400
    ...Before ordering this part, I plan to check the #2 Temp sensor (suggested by Darrell Boehler) and the idle position switch (calif only?) (suggested...
  • Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
    Historical mailing list - neil n
    Thu, 21 Jun 2012 23:27:02 -0700
    ...inserted in the throttle valve switch plug. Maybe archives has info on > that. > > When de accelerating, does vacuum created by engine pull the flap...
  • Continued: Plug fouling gas in oil problem....
    Historical mailing list - Alan Cady
    Wed, 21 Dec 2005 13:19:41 -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: Peloquin experience?
    Historical mailing list - Kim Brennan
    Fri, 16 Nov 2007 11:37:13 -0500
    ...No switch, no panel, no > vacuum reservoir. I'm hoping the Peloquin locker setup would be an > easier > way to go than a stock...
  • Re: fuel pressure gauge
    Historical mailing list - Darrell Boehler
    Sun, 21 Jan 2001 07:08:37 -0600
    ...The senders attach to the gauge through a switch. With the one gauge and 2 senders it can display either oil or fuel pressure...
  • Woody's woes update
    Historical mailing list - Woody Halsey
    Sat, 7 Aug 1999 11:22:41 -0400
    ...I had already switched AFM's with the one from the parts car. I have also checked as many terminals and plugs as I...
  • Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
    Historical mailing list - neil n
    Fri, 27 Jul 2012 21:54:11 -0700
    ...Am still tracking >>> down a surging issue. ..... >>> (Throttle switch test showed a nice square wave btw). He also kindly gave >>> me a >>> brief tutorial...
  • Re: Are all 2.1 engines digifant?
    Historical mailing list - David Beierl
    Sun, 4 May 2014 14:16:44 -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: Miss at idle?
    Historical mailing list - Dennis Haynes
    Fri, 13 May 2016 17:13:16 -0400
    ...You can have a bad injector, vacuum leak, or an engine problem. Intake valve issues are very common. You can discount the O2 sensor...
  • Re: The two throttle valve switches, redux
    Historical mailing list - Scott Daniel - Shazam
    Wed, 26 Sep 2007 00:54:12 -0700
    ...Both switches >>>> ground Pin 4, the ECU doesn't have any way to know which switch did it. >>>> >>>> Now if the engine is at...
  • Re: Air Conditioning help
    Historical mailing list - Mike Miller
    Wed, 22 Jan 2014 09:09:07 -0800
    ...The only real difficult fitting is the switch manifold on the high pressure hose to the expansion valve. A tee and a "trinary" switch...
  • Fuel pressure checks out, what next?
    Historical mailing list - Shawn Wright
    Thu, 17 Jul 2003 21:09:35 -0700
    ...The results indicate my fuel pressure is wihin spec of 29-36 psi with & w/o vacuum hose. It also maintained 36 psi for...
  • Re: CO Adjusting Screw. PO Set it All The Way In? Base Setting?
    Historical mailing list - Dennis Haynes
    Fri, 22 Jun 2012 00:21:43 -0400
    ...The throttle switch should be closed when the throttle is closed or at full throttle, not in between. With the O2 sensor disconnected from...
  • Re: [SPAM] Re: Water Injection
    Historical mailing list - Greg Potts
    Sun, 25 May 2008 12:23:20 -0400
    ...I have heard a few reports of persons using a vacuum-drawn system who have experienced problems with the water supply draining into the...
  • Re: won't start-follow-up
    Historical mailing list - BILL
    Sat, 16 Jan 1999 16:59:25 -0700
    ...5-most vacuum lines-melted-some with big holes >6-timing scale and grille-melted >7-belt-melted >8-oil pressure switch-toast >9...
  • Hard start, cold and warm (1.9)
    Historical mailing list - Benny boy
    Thu, 11 May 2006 21:47:43 -0400
    ...and so on...) Fuel pressure is fine, many test done, timing and all that stuff also, idle switch is working fine with 5V at...
  • Hesitation and Hall senders (long post)
    Historical mailing list - Milo's Kitchen
    Thu, 2 Jan 2003 21:50:07 -0500
    ...Checked the Temp Sensor II hot and cold, checked throttle position switch closed and full, cleaned the pants off of every ground (#19 too...
  • Re: Do U carry spare ECU?
    Historical mailing list - miguel pacheco
    Thu, 15 Apr 2010 10:08:34 -0600
    ...switched using a spare rear defogger switch in 1999 and haven't > switched back since.  And yes I carry at least two headlight switches...
  • Re: refrigerator behavior
    Historical mailing list - Jeff Palmer
    Mon, 24 Jun 2013 16:01:50 -0500
    ...On my 85 I'm pretty sure I've seen the green LED stay lit when I switched from propane to DC (If I...
  • Re: pushrod from auto. trans to throttle
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 13 Dec 2011 19:28:29 -0800
    ...switch making contact at idle ? I've had to play with the whole set up at times.. to get them dialed in. got vacuum...
  • Re: blow-by to the limit ... what limits?
    Historical mailing list
    Wed, 30 Nov 94 9:09:44 PST
    ...the diesel fuel delivery is reduced or shut off (via ignition switch). This is called run-on. It feels like a nitro burst, and...
  • Re: Remote Starter Switch Wire-up for '88GL
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 22 Jun 2011 11:55:00 -0700
    ...often when using a remote starter switch the ignition is kept off.. like you're testing compression, testing the starter itself etc. but yes...
  • diagnostic help? running rich(?)...
    Historical mailing list - Don Hanson
    Wed, 23 Jul 2014 15:39:06 -0700
    ...I recently replaced my 02 sensor and fixed a loose vacuum line and the engine has been running great...until just now. It began...
  • Re: Video: TVS Test Light Driving. Discovered Whistle Sound? What is it?
    Historical mailing list - OlRivrRat
    Mon, 25 Jun 2012 09:08:52 -0600
    ...But.... > > What is that whistle sound at ~ 39" - 55" ? Vacuum leak? > > TB gasket is new, rubber hoses at EVAP hoses, FPR, PVC "T", all...
  • Re: Choked starting?
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 27 Mar 2013 21:23:11 -0700
    ...make sure throttle switch is making contact at idle. I would guestimate that about 60 % of 2.1 throttle body switches do not these...
  • Re: Running Trouble
    Historical mailing list - Jim Arnott
    Mon, 19 Mar 2001 19:56:09 -0800
    Check your 'full throttle enrichment switch'. If failed, it sends a signal to the ECU for full rich. Jim Arnott WetWesties Union, OR VW...
  • Re: Gas Milage and the Fuel Pressure Regulator
    Historical mailing list - Mike Finkbiner
    Fri, 11 May 2001 04:08:45 -0000
    ...Throttle switches seem to turn off and on like they should. The O2 sensor starts at about .35, and on warming up bounces from...
  • extreme idle from hell results...air flow meter!
    Historical mailing list - Adam Behle
    Thu, 10 Feb 2005 06:23:59 -0800
    ...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: 87 2.1 dies after 30 seconds
    Historical mailing list - Jim Felder
    Fri, 27 Feb 2015 16:28:30 -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: Short shift for 5 speed
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 29 Jun 2012 12:27:02 -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...
  • Fwd: Begging for advice(semi OT)
    Historical mailing list - Max Wellhouse
    Sun, 2 Feb 2003 14:29:05 -0600
    ...I switch wires to rule out >problems there and still 2 and 3 don't fire. I put two of the old plugs >back...
  • Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 26 Jun 2012 21:35:46 -0700
    ...Will check further for any vacuum leaks. > > With the engine lid off, and driving, I can hear a brief whistle sound when > throttle moves...
  • Re: fuel pump problem?
    Historical mailing list - Max Wellhouse
    Sun, 24 Jan 2010 12:25:06 -0600
    ...the switch to the FP sending wire and see if you're running between 29 and 36psi. The lower the manifold vacuum(ie foot...
  • Re: Boston Bob Big Valve Update? Not really... (LONG)
    Historical mailing list - Craig Oda
    Tue, 15 Feb 2005 08:32:23 -0800
    ...At one time, I suspected I had a vacuum leak. I now believe that there were never any vacuum leaks. Also, in my case...
  • Re: clean & lube idle air control valve
    Historical mailing list - Dennis Haynes
    Sun, 16 May 2010 10:01:04 -0400
    ...The controller see engine temperature(shared connection to Temp2 sensor with the ECU), engine speed, throttle switch, and AC compressor on and power steering...
  • Re: No idle when engine cold
    Historical mailing list - OlRivrRat
    Sat, 25 Apr 2020 12:37:16 -0600
    ...I switched the clamp for a wide stainless/pinch >> less piece. >> >> Problem solved! >> >> Chris. >> Wysłane z iPhone'a >> >>> Wiadomość napisana przez Dennis Haynes <d23haynes57...
  • Re: Billy Bones Returns
    Historical mailing list - John Rodgers
    Mon, 13 Sep 2004 09:27:40 -0500
    ...So I was thinkin' >that I knocked a wire or vacuum line loose someplace, but I cannot find a thing >wrong. I pulled the...
  • Re: Introductions and electrical questions
    Historical mailing list - Dana Morphew
    Thu, 7 Mar 2002 08:02:45 -0800
    ...despite the PO recently > replacing the thermo switch. The cruise control is dead too, but the > vacuum pump seems fine. Finally, the little electronic...
  • Re: ARG! HELP! fuel pump problems
    Historical mailing list - John Rodgers
    Thu, 16 Jan 2003 09:28:06 -0600
    ...Remember that fuel pumps run from the time the ignition switch is turned on, regardless of whether or not the vehicle moves. That means...
  • Re: Short shift for 5 speed
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 29 Jun 2012 15:08:58 -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...
  • Re: I'm stumped! (misfire)
    Historical mailing list - Darrell Boehler
    Sat, 23 May 1998 09:09:58 -0500
    ...Set Full throttle enrichment switch. >10. New cylinder head temp sender. >11. Checked for vacuum leaks. Replaced a few hoses. >still might be a...
  • Re: Syncro diff light!!!!!!
    Historical mailing list - Joel Cort
    Thu, 30 Dec 1999 11:35:42 -0800
    ...lock is controlled by vacuum. This maybe > your problem, as the > valves are known to leak. It maybe holding the servo > in between. On...
  • Re: Now Preventative Maintenance, Was Do U carry spare ECU?
    Historical mailing list - Tom Hargrave
    Thu, 15 Apr 2010 11:48:05 -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...
  • The Real FI Tuning
    Historical mailing list
    Sat, 11 May 1996 09:59:17 -0700
    ...On wire is connected to switched battery voltage whereas the other is connected to a power transistor in the computer and is a source...
  • Re: Black Vapor and Rattle. And other stuff.
    Historical mailing list - Dennis Haynes
    Sat, 8 Nov 2014 10:41:48 -0500
    ...There is a vacuum operated valve that opens when the throttle opens to vent the tank into the air intake to burn off those...
  • Re: Idle problems
    Historical mailing list - Rico Dagastino
    Fri, 23 Oct 2009 08:36:27 EDT
    ...In addition, i checked the throttle position switch under the throttle body with a VOM and the switch operates as it should per the...
  • Re: diff lock woes
    Historical mailing list - Dennis Haynes
    Thu, 15 Oct 2009 23:53:39 -0400
    If you needed a pry bar to push the pin to work the diff lock, the vacuum actuator will not do the job either...
  • Re: Tuning by O2 Sensor
    Historical mailing list - Mark Ingalls
    Mon, 19 Mar 2001 16:41:11 -0600
    Hi Jay, The 02 goes to nothing when you let off the gas may be the closed throttle switch shutting off the fuel. Mine...
  • Re: 2.1 wbx Compression Test
    Historical mailing list - Stuart MacMillan
    Fri, 5 May 2017 11:16:01 -0700
    ...The Gowesty vacuum type throttle switch was disconnected because the wires were slightly in the way of the AFM-filter housing. In hindsight, a...
  • Woody's wiring problems solved, he hopes
    Historical mailing list - Woody Halsey
    Tue, 29 Feb 2000 09:14:39 -0500
    ...Also, we discovered a leak in a vacuum hose when the old harness was off. I had previously checked for vacuum leaks with by...
  • Re: Monitoring aux battery charging?
    Historical mailing list - Jack
    Sun, 10 Oct 2004 18:15:26 -0800
    ...A SPDT toggle switch lets me > switch the input of the voltmeter between the aux and engine battery. I used > a center-off on...