Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 enrichment.

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

  • AFM symptom? Won't Start After Being Off for +1 min.
    Historical mailing list - Conrad Klahn
    Tue, 27 Jan 2004 10:11:25 -0600
    ...Neither does disconnecting the Cold Enrichment Switch (new). So, I have to rule those out. The Idle Stabilizer also checked out fine in my...
  • O2 voltage when cold
    Historical mailing list - James Creech
    Mon, 18 Dec 2000 16:36:19 -0500
    ...about 650 mV, which I'm guessing is the correct idle enrichment value. Then a couple of minutes later the ECU goes into closed...
  • Re: VW VANAGON WATERBOXER CUSTOM TURBO SYSTEM on ePay
    Historical mailing list - P.Dooley
    Tue, 18 Jan 2005 20:09:32 -0500
    ...He says can run 9 lbs boost on the stock FI setup with 02 enrichment, but he doesn't explain how. Bottom line, he...
  • 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: Vgon syndrome on 1.9 WBX
    Historical mailing list - zampano
    Tue, 13 May 2003 22:18:58 -0700
    ...Even did all the checks involving the throttle valve/full throttle enrichment valve. Check. My air filter is rather clean. Fresh spark plugs now...
  • Re: Van hesitates--where to start troubleshooting?
    Historical mailing list - gerry rafferty
    Thu, 12 Oct 2000 20:15:02 -0700
    ...I think I may have a problem when I need > fuel enrichment. The idle is a little rough too, but not real noticeable. > > Just...
  • Auxiliary air regulator
    Historical mailing list - Ronald Michaels
    Sat, 13 Jan 2007 17:08:35 -0500
    ...Thanks to List members who helped me find a idle enrichment switch recently. I have that part installed now. Today I tested the auxiliary...
  • Re: 87 Rough/High Idle problem solved (I hope)
    Historical mailing list - Dennis Haynes
    Tue, 13 May 2003 20:33:30 -0400
    ...a pain to warm the engine up until the cold start enrichment process stopped. That all stopped today. Chris Turner had a used ISV...
  • 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...
  • WBX Digifant Ground Check. No Continuity Between Some Points.
    Historical mailing list - neil n
    Sat, 9 Jun 2012 12:25:53 -0700
    ...plug, ground wire of temp II sensor, ground of throttle valve (enrichment) switch, pin 6 of ECU, and engine metal or frame correct? I...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Daryl Christensen
    Thu, 24 May 2012 18:16:16 -0700
    ...so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com...
  • Re: AFM symptom? Won't Start After Being Off for +1 min.
    Historical mailing list - Jake Beaulieu
    Tue, 27 Jan 2004 09:58:02 -0800
    ...Neither does disconnecting the Cold Enrichment Switch (new). So, I have to rule those out. The Idle Stabilizer also checked out fine in my...
  • Digijet troubleshooting - (very long & technical)
    Historical mailing list - John
    Fri, 24 Sep 1999 19:48:53 -0400
    ...it when the symptom is present ? 4) What is the cranking enrichment(KL50) signal to the DCM when running normally and what is it...
  • Re: 86 Syncro 2.1 surging at 2K rpm no load
    Historical mailing list - Daryl Christensen
    Thu, 24 May 2012 10:23:31 -0700
    ...so instead of over running cut out you get full throttle enrichment. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com...
  • Re: Timing
    Historical mailing list - Michael Brenner
    Tue, 18 May 2004 20:40:08 -0700
    ...I have tested the sensors, the air intake plate, the deacceleration switch and the full throttle enrichment switch, and they test good. Tested the...
  • 82 Westy, Hesitant acceleration, in spots
    Historical mailing list - B.J.R.
    Mon, 1 Sep 2008 12:02:23 -0700
    ...the intake arm spring assembly, adjusted and checked the full throttle enrichment switch. Can I get some suggestions where to go next in my...
  • Re: WBX Digifant Ground Check. No Continuity Between Some Points.
    Historical mailing list - mark drillock
    Sat, 9 Jun 2012 15:08:13 -0700
    ...plug, ground wire of temp II > sensor, ground of throttle valve (enrichment) switch, pin 6 of ECU, and > engine metal or frame correct? > > I...
  • cheap electro magnetic
    Historical mailing list
    Fri, 14 Jun 1996 19:38:12 +0200
    ...I would also like to get hold of two idle mixture enrichment (Haynes >page 54, item 61) although this is not as crucial as...
  • 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...
  • 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...
  • 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: O2 sensor voltage test
    Historical mailing list - Darrell Boehler
    Thu, 14 Dec 2000 15:07:44 -0600
    ...O2 sensor voltage test > The Bosch FI book outlines a test for adjusting fuel enrichment and > determining if the O2 sensor is faulty, for...
  • Re: What motor specs do you have/ was Turbo muffler
    Historical mailing list - Dana Morphew
    Wed, 1 Aug 2001 07:49:30 -0700
    ...I am even considering running ECO diesel > style without the fuel enrichment aneroid for less stress on the motor. The > 1.9NA at 5000...
  • crazy engine conversion in Calgary
    Historical mailing list - Keith Adams
    Mon, 31 Jul 2000 11:15:39 -0600
    ...He added a boost sensitive fuel enrichment module (from an Audi?) to it as well. He had only had it running for 2 days...
  • Re: To test a Thermo time switch, air-cooled
    Historical mailing list - thewestyman
    Sun, 11 Dec 2016 16:22:05 -0800
    ...It function is to operating the enrichment injector Based on engine/ambient temperature it turns on the injector for a determined time while the...
  • Re: O2 sensors effect on power
    Historical mailing list - David Beierl
    Tue, 6 Mar 2001 13:57:58 -0500
    ...at full throttle both systems ignore the lambda sensor and provide a programmed enrichment. The amount of the enrichment could be reprogrammed in either...
  • Re: O2 sensors effect on power
    Historical mailing list - David Beierl
    Tue, 6 Mar 2001 13:57:58 -0500
    ...at full throttle both systems ignore the lambda sensor and provide a programmed enrichment. The amount of the enrichment could be reprogrammed in either...
  • New factory 1.9 Turbo-Diesel Engines
    Historical mailing list - IndianVic
    Thu, 9 Apr 1998 23:26:53 EDT
    ...They are of the conventional indirect-injection, swirl-chamber type, (NOT TDI) with mechanical injection pump with turbo-boost-enrichment, and are very very...
  • Re: didijet tool
    Historical mailing list - Mike Collum
    Wed, 7 Mar 2007 19:16:07 -0500
    ...Injector LED Pin 21 to ---------� l----------ZZZZZ---------Pin 7 for Start enrichment LED Pin 19 to----------� l----------ZZZZZ----------Pin 4 for Throttle position switch...
  • well this was a new one on me .. maybe old hat maybe the way it is
    Historical mailing list - Roger Whittaker
    Thu, 30 Oct 2008 21:28:54 -0700
    dear vanagoners our westie has a fuel enrichment actuator on the diesel pump a few weeks ago the T part broke off .. so this...
  • Re: Computer woes?
    Historical mailing list - John Anderson
    Mon, 9 Jul 2001 11:56:09 -0400
    ...ISV is doing perhaps also combined with tinkering to the idle enrichment screw on the AFM. Or the ISV is totally gummed up and...
  • Re: Auxiliary air regulator
    Historical mailing list - John Lauterbach
    Sat, 13 Jan 2007 23:15:41 -0500
    ...Thanks to > List members who helped me find a idle enrichment switch recently. I have > that part installed now. > > Today I tested the auxiliary...
  • Brain Death
    Historical mailing list - David Chasteen
    Mon, 3 Aug 1998 19:31:47 -0500
    ...is directly related to the engine enrichment/fuel control I guess my question is two part: 1. Is there any way to troubleshoot the...
  • Re: AFM symptom? Won't Start After Being Off for +1 min.
    Historical mailing list - Tom Miller
    Tue, 27 Jan 2004 11:53:09 -0500
    ...new) and that makes no difference. > Neither does disconnecting the Cold Enrichment Switch (new). So, I have > to rule those out. The Idle Stabilizer...
  • Re: AFM upgrade using 16 volt tantalum capacitor
    Historical mailing list - David Beierl
    Mon, 21 Jan 2002 02:33:18 -0500
    ...The system has to be able to respond, for example, to the overswing of the vane when you open the throttle quickly (provides enrichment...
  • Re: Fw: Question-Oxygen Relay?
    Historical mailing list - Neil N
    Tue, 5 May 2020 17:00:12 -0700
    ...Full throttle gives some enrichment for > power and to also prevent valve burn up. Later they just put that function > in the ECU. For...
  • TbyT '98 brief report
    Historical mailing list - Karl Bloss
    Mon, 27 Jul 1998 14:10:03 +0000
    ...Bill Dummit hooked up Darrell's Digifant tool to our '87 and it diagnosed that our idle/full throttle enrichment switch is toast and...
  • Re: irregular idle speed
    Historical mailing list - Karl Bloss
    Wed, 12 Aug 1998 10:55:31 +0000
    ...Another possible problem is that your idle enrichment switch maybe maladjusted or busted. I found readjusting mine made the idle behave _much_ better. Kudos...
  • Re: Arduino and Vanagons
    Historical mailing list - Neil N
    Wed, 20 Nov 2013 11:48:14 -0800
    ...Isn't the ICU basically taken out of the picture any time the throttle is just off idle or at WOT? (throttle enrichment switch...
  • Re: AAR auxillary air regulator
    Historical mailing list - Bulley
    Thu, 24 Jun 1999 16:55:14 -0400
    ...The AAR is part of the warm-up enrichment circuit, and works as Kirk described. G. Matthew Bulley Bulley-Hewlett & Associates www.bulley-hewlett...
  • Re: 87 Rough/High Idle problem solved (I hope)
    Historical mailing list - Marla Stelk
    Thu, 15 May 2003 20:28:59 -0400
    ...a pain to >warm the engine up until the cold start enrichment process stopped. > >That all stopped today. Chris Turner had a used ISV...
  • Re: Arduino and Vanagons
    Historical mailing list - Brett Ne
    Wed, 20 Nov 2013 13:23:59 -0800
    ...time the throttle > is just off idle or at WOT? (throttle enrichment switch activated or > not). > Maybe, maybe not. Maybe the idle throttle opens...
  • 1.9L white smoke
    Historical mailing list - Bradley Flubacher
    Wed, 7 Mar 2001 22:13:52 -0500
    ...Note, both times it's done this, I was full-throttle (ie, enrichment switch was closed). Any ideas? Bradley Flubacher State College, PA
  • Re: The two throttle valve switches, redux
    Historical mailing list - David Kao
    Tue, 25 Sep 2007 21:44:20 -0700
    ...24.33). > > But if you /floor/ the pedal, the full throttle enrichment switch closes, > which ALSO grounds ECU Pin 4. Bentley's tells us...
  • Re: AFM symptom? Won't Start After Being Off for +1 min.
    Historical mailing list - Karl Wolz
    Tue, 27 Jan 2004 10:36:31 -0700
    ...Neither does disconnecting the Cold Enrichment Switch (new). So, I have to rule those out. The Idle Stabilizer also checked out fine in my...
  • Re: '85 GL won't start
    Historical mailing list
    Mon, 14 Jul 1997 14:04:08 EDT
    ...By holding the peddle to the floor you activated the full enrichment switch, which is parallel to the idle position switch. Hence the brain...
  • 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: Maximum engine power and Performane Chip Discussion
    Historical mailing list - David Brodbeck
    Fri, 14 Mar 2003 13:54:05 -0500
    ...What's no doubt happening when you go to full throttle is the ECU is going into a "full throttle enrichment" mode, where it...
  • Re: Temp II Again
    Historical mailing list - Dennis Haynes
    Wed, 25 Oct 2000 23:06:07 -0400
    ...During cold start, a range is set for cold start enrichment and operation. When the coolant reaches about 100'F, the ECU goes into...
  • Re: Cross Country trip- SUCCESS!
    Historical mailing list - craig cowan
    Wed, 3 Jun 2009 18:19:22 -0600
    ...I haven't tried since, but once I get the E85 tune which optimizes fuel enrichment, I should be running sweet on corn! I...
  • Re: Full Throttle AC Cutout?
    Historical mailing list - Matt Roberds
    Tue, 29 May 2007 19:57:04 -0500
    ...to me that it would be > handy if the full throttle enrichment switch would also disengage > the AC compressor clutch. Of course, since the...
  • Re: stalls at start-up; needs to warm up at higher RPMs
    Historical mailing list - Tim Marciniak
    Wed, 21 Aug 2002 23:02:41 -0500
    Debra, Check the throttle enrichment switch, Bentley does a nice job of describing the process, I had to adjust mine a couple years ago...
  • Refrigerator fan replacement
    Historical mailing list - David Clarkson
    Wed, 26 Jun 2013 22:13:08 -0400
    ...I also have purchased and not installed one of the "mixture enrichment" valves that gives more propane at startup from one of our well...
  • Re: Throttle switches
    Historical mailing list - David Beierl
    Thu, 6 Jun 2002 11:25:52 -0400
    ...Acceleration enrichment is actually taken care of by the over-swing of the AFM vane. Another small point -- this switch provides information, not power...
  • Re: 2.1 WBX Warm Start Troubles
    Historical mailing list - David Beierl
    Sat, 19 Nov 2016 19:45:30 -0500
    ...The ECU applies temp enrichment during open-loop operation/starting up to 60C, with a maximum of 2.5x running and 4x starting at...
  • Re: Buses by the Bridge - brain eating bacteria
    Historical mailing list - Tom Buese
    Fri, 5 Oct 2007 15:19:08 -0600
    ...such as the Arizona Children's Association and The Children's Enrichment Fund CONTACT: John (VW) Howard 928 208 6566 e-mail vwhoward@uneedspeed...
  • Diagnosing rich running 1.9l WBX
    Historical mailing list - C B
    Thu, 27 May 2010 13:11:46 -0700
    ...She's acting as if she's continually in cold start enrichment mode - hot idle sometimes about 200-300rpm higher than usual and no...
  • Re: MAF Sensors and the Vanagon
    Historical mailing list - Larry Alofs
    Tue, 7 Dec 2010 07:41:16 -0500
    ...If the ECU got the info more quickly in the first place, the over-swing and the over-enrichment would be less necessary. It...
  • Re: vanagon Digest - 4 Aug 2004 - Special issue (#2004-716)
    Historical mailing list - Stan Wilder
    Thu, 5 Aug 2004 09:00:21 -0500
    ...Without the extra enrichment the > engine would gasp on a lean mixture. > On Wednesday, August 4, 2004, at 07:20 PM, Automatic digest processor...
  • carb thing?
    Historical mailing list - Ben Gabel
    20 May 1996 13:36:34 +0100
    ...back of the van? Could well be the idle start-up enrichment unit (or some similar name). My VW dealer hadn't heard of...