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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 4+: 60 results shown for mixture.

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

  • O2 sensor and CO adjustment
    Historical mailing list - Mark McCulley
    Wed, 13 May 1998 09:35:48 -0700
    Should you set the CO (mixture) adjustment after installing a new O2 sensor? Mark McCulley
  • Re: Fuel air mixture or timing adjustment?
    Historical mailing list - Tom Young
    Mon, 8 Sep 2003 17:29:53 -0700
    ...Fuel air mixture or timing adjustment? > I heard from Karen Davis that her problem with high HC in her CA SMOG > test was solved...
  • Re: How to - or not - bleed the cooling system
    Historical mailing list - Dennis Haynes
    Thu, 9 Feb 2006 20:48:25 -0500
    ...both are saying the circuit provides no warning when the coolant mixture goes wacko? A warning to tell you to check the coolant? Regards...
  • Re: My poor MPG, compression tests results
    Historical mailing list - Jake de Villiers
    Wed, 12 Sep 2007 12:28:14 -0700
    ...compression > 120, plug indicates mixture is rich. > # 4 (left rear) compression > 120, plug also indicates richness. > > right left mixture asymmetry? > > -- > > Mike "Rocket J Squirrel...
  • fuel injection tuning
    Historical mailing list - Mark Keller
    Fri, 8 Oct 2004 14:14:07 -0700
    ...Drive at or above 3000 rpm, and observe the voltage. .7 volts and above , tighten the spring, mixture is too rich. .3 volts and...
  • Re: Idle Stabilizer Valve
    Historical mailing list - David Beierl
    Thu, 26 Apr 2001 14:22:31 -0400
    ...The ECU takes care of richening the mixture -- the air valve simply gives the effect of opening the throttle a little -- the air that...
  • Re: NOx emissions (WAS: '85 Westy failing Pa. emissions) 3 way cats
    Historical mailing list - Dennis Haynes
    Mon, 23 Feb 1998 23:02:14 -0500
    ...Lean mixtures and high compression increase peak flame temperatures. This increases the production of NOx. Over advance timing also contributes to NOx. Dennis -----Original...
  • FI mixture adjust?
    Historical mailing list - mac stricklen
    Thu, 4 Feb 1999 14:02:53 -0800
    ...air around the running engine and told me he thought my mixture was too rich. Could this be so on a Fuel Injected engine...
  • Cold Engine Problem
    Historical mailing list - Mark Keller
    Tue, 2 Jan 2001 23:39:45 +0000
    ...On a cold engine the computer assumes the fuel pressure is set and gets no feedback if the mixture is too lean or to...
  • Re: more idle issues revisited
    Historical mailing list - John Bange
    Mon, 22 May 2006 09:20:05 -0700
    ...I reckon one way to check that is to unplug only the O2 sensor and force the ECU to "open loop" mixture profile, see...
  • Re: Cooling woes and the aborted trip to TBTT (somewhat longish...)
    Historical mailing list - Robert Lilley
    Sat, 15 Jul 2000 21:25:05 EDT
    ...The led can flash if it detects incorrect electrical current flow due to incorrect mixture (have read this from a previous post). I just...
  • Re: Fuel pressure regulator - acceptable pressure readings?
    Historical mailing list - Alistair Bell
    Wed, 24 Jul 2013 09:49:59 -0700
    ...Best economy mixture is about 16.7:1, best power mixture is about 13.3:1. If the system is aiming for stoich at...
  • Re: Oxygen Sensors
    Historical mailing list - Tom Young
    Thu, 3 Jul 1997 14:32:26 -0700 (PDT)
    ...The O2 sensor was telling me my mixture was too rich (and, I suppose, that my CO was too high), but how would this...
  • Re: Adjustable rate fuel pressure regulator? anybody try one?
    Historical mailing list - Rocket J Squirrel
    Wed, 16 May 2012 07:28:42 -0700
    ...That mixture is called the stoichiometric > mixture and is about 14.7 parts of air by weight (mass if you're > picky) to one...
  • Re: O2 sensor stuff
    Historical mailing list - Darrell Boehler
    Thu, 8 Mar 2001 09:18:36 -0600
    ...The mixture will vary quite a bit without an o2 sensor. I like the idea of a near perfect mixture for many reasons, so...
  • Re: My poor MPG, compression tests results
    Historical mailing list - Mike \"Rocket J Squirrel\" Elliott
    Wed, 12 Sep 2007 14:55:37 -0700
    ...What's a really good way to be sure? The O2 sensor receives exhaust from both sides and the ECU will adjust the mixture...
  • 1.9-idle probs&mixture
    Historical mailing list - Scott W.
    Fri, 7 Feb 2003 06:27:08 -0800
    so i have screwed around with the mixture at the afm enough to get the van to idle on its own on the second...
  • engine management theory
    Historical mailing list - Lance LeBaron
    Sat, 15 Jan 2000 19:54:11 PST
    ...Isn't the >computer changing the mixture to get the best possible mixture for >accelleration, and deceleration as well. (etc) ______________________________________________________ Get Your Private, Free...
  • Re: Sulfur-like exhaust smell??
    Historical mailing list - Scott Sullivan
    Wed, 16 Jan 2002 09:07:25 -0800
    ...A rich mixture will cause an increase in the formation of SO. This often happens when driving up hills. It also happens when the...
  • Re: Rough running till warmed up
    Historical mailing list - Mike S
    Tue, 21 Aug 2007 18:26:58 -0400
    ...A true vacuum leak results in a lean mixture, because it's not being measured. It would result in a varying and difficult to...
  • Compression
    Historical mailing list - Mike \"Rocket J Squirrel\" Elliott
    Thu, 13 Sep 2007 13:14:33 -0700
    ...Cyl 1 and 2 are on the side that the plugs indicate good mixture, 3 & 4 show rich mixture. -- Mike "Rocket J Squirrel" Elliott...
  • Adjusting intake air sensor
    Historical mailing list - George Averill
    Tue, 24 Dec 2002 09:46:16 -0500
    Thanks to all for the replies to the message. Now can anyone answer the question, "Which way leans the mixture?" George
  • Re: I am almost ready to shoot my vaagon!
    Historical mailing list - Andrew Grebneff
    Mon, 11 Dec 2000 22:05:13 +1200
    ...Fuel/air mixture ratio is richness. Too much air & too little fuel gives a lean mixture, causing overheating, burned valves etc. Too little air...
  • Re: full throttle switch boost?
    Historical mailing list - Dennis Haynes
    Thu, 30 Aug 2001 21:18:47 -0400
    ...The ultimate goal is to richen the mixture slightly to avoid detonation, burned valves and melted pistons. Dennis -----Original Message----- From: Vanagon Mailing List...
  • Re: 89 syncro westy ac question
    Historical mailing list - David Beierl
    Tue, 15 Aug 2000 20:10:16 -0400
    ...Those composed of mixtures, Freeze-12 among them, present the possibility of differential leakage of the components through hoses and seals, and at least...
  • Re: AFM Idle Mixture Screw - loosey goosey
    Historical mailing list - Dennis Haynes
    Sun, 22 Jun 2014 18:23:09 -0400
    ...AFM Idle Mixture Screw - loosey goosey Need to know if the idle mixture screw is unrepairable...? Reading an excellent thread on thesamba about AFM...
  • Re: Hard Starting Cold and Hot
    Historical mailing list - George Goff
    Thu, 20 Oct 2005 00:00:49 EDT
    ...The air dilutes the exhaust fooling the ECU into thinking that the mixture is running lean and so it trys to correct the mixture...
  • Re: B. Bobs day at the dyno and the importance of fuel air ratio update
    Historical mailing list - mike miller
    Wed, 2 Jan 2002 07:57:52 -0800
    ...The leanest >> running cylinder then became the guide cylinder by which the mixture for >> the engine was set. That way one avoided burning up...
  • high altitude vdub
    Historical mailing list - Michael Schiesser
    Mon, 28 Aug 2000 13:00:36 -0700
    Far as I know you are right, you want the mixture to be a but leaner, to pull gas out as you have already...
  • Re: EPA and Vanagon Emissions
    Historical mailing list - OlRivrRat
    Fri, 29 Jun 2012 11:18:04 -0600
    ...The term Air-Fuel Mixture has always bugged me ~ should be Air- Gasoline Mixture. ORR ~ DeanB On 28 Jun , 2012, at 10:38 PM...
  • Re: Stalling at Idle when cold
    Historical mailing list - Sean Bartnik
    Wed, 17 Sep 1997 11:54:00 EDT
    ...air regulator changes the air/fuel mixture, which is a common misconception. > > > > The air/fuel mixture is determined by the computer, which notes how...
  • Oxygen sensor and fuel reg. replacement....
    Historical mailing list - A. Hurley
    Wed, 28 Aug 2002 00:46:38 -0400
    ...Does everyone agree that that's the best way to adjust the air/fuel mixture or can it be done "by feel". Thanks! Andree...
  • Re: Removing old window tint film
    Historical mailing list - Stephen Yeager
    Mon, 4 Feb 2002 12:23:01 -0800
    ...Spray a mixture of ammonia and water on the glue mess and scrape it off with a razor blade while its still wet. If...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - jon
    Wed, 14 Feb 2007 11:10:41 -0800
    ...Turning the screw clockwise will lean the mixture? > > Mike Frost > 86 Vanagon GL >
  • Re: AFM adjustment - flap, slider, spring wheel voodoo question
    Historical mailing list - Chris S
    Sat, 17 Oct 2009 18:18:32 -0400
    ...My previous problem was getting the mixture rich enough at high rpm. I had to relax the tension spring to the point that the...
  • Re: A/C resuscitation - where to start?
    Historical mailing list - Todd Last
    Sun, 1 Jul 2007 04:34:06 +0000
    Those considering propane/isobutane mixtures may want to consider this article http://www.popularmechanics.com/technology/industry/1758061.html?page=3 Do you research...
  • Re: peanut butter storage
    Historical mailing list
    Fri, 7 Jul 1995 10:01:29 -0700
    Mix it with Dot-5, split some pitted prunes, stuff it with the mixture, and serve as a tasty appetizer at the next vanagon...
  • Re: Gas Mileage and smokin'
    Historical mailing list - Karl Bloss
    Mon, 12 Jun 2000 09:29:51 -0400
    ...With a new or rebuilt engine, the air-fuel mixture will be > different and the injectors will need to be adjusted. -- Karl & Kristina Bloss...
  • Clues to the cold start/running problem- my test
    Historical mailing list - Robert Lilley
    Wed, 3 Jan 2001 16:15:36 EST
    ...The mixture is different for idling Vs running. Vacuum changes, when pressing the gas pedal, increase the fuel pressure and the mixture). And therefore...
  • HELP!!
    Historical mailing list - by way of Ron Lussier
    Thu, 28 Aug 1997 17:12:06 -0700
    ...The fuel mixture is still not right. I had 2 weeks for this particular problem to get resolved. I have the john muir book...
  • Re: high altitude
    Historical mailing list - John Rodgers
    Fri, 5 Sep 2003 21:57:57 -0500
    The fuel injection system with it's computer and various sensors will automatically adjust fuel mixture to accomodate the change in air density resulting...
  • AFM Idle Mixture Screw - loosey goosey
    Historical mailing list - Skip
    Sun, 22 Jun 2014 15:26:40 +0000
    Need to know if the idle mixture screw is unrepairable...? Reading an excellent thread on thesamba about AFM adjustments, http://www.thesamba.com/vw...
  • Re: FI mixture adjust?/ Running Rich
    Historical mailing list - Marshall Ruskin
    Mon, 8 Feb 1999 17:07:17 -0600
    ...FI mixture adjust?/ Running Rich >Hello All, > >I've been having a problem with my fuel injection system for months now. No >one can...
  • afm tuning
    Historical mailing list - Darrell Boehler
    Tue, 8 Sep 1998 16:55:53 -0500
    ...This caused a rich mixture in open loop( o2 sensor disconnected) and in closed loop the ecu would not / could not correct for it...
  • Re: . Idle Control System Explanation, please?
    Historical mailing list - Kent Christensen
    Sat, 14 Mar 2015 19:45:44 -0600
    ...Any gasoline engine (save maybe for those direct fuel injected) requires a rich mixture to start cold. This because the gasoline portion of the...
  • O2 sensor question
    Historical mailing list - tbill
    Thu, 05 Jun 1997 23:39:49 -0500
    The o2 sensor is the thing that automatically leans the mixture when you drive at high altitude, right? Or am I thinking of something...
  • Re: The two throttle valve switches, redux
    Historical mailing list - Mike Collum
    Wed, 26 Sep 2007 09:45:45 -0400
    ...it in my mind that when the full throttle switch closes it just puts the system into open loop thereby enriching the mixture. Mike
  • Re: turbo?
    Historical mailing list - Jake de Villiers
    Mon, 3 Apr 2006 14:07:15 -0700
    ...A turbo or supercharged motor makes more power because it is being stuffed with more than its natural capacity of mixture . At 5psi of...
  • Re: Dometic 182 B Fridge- Ad Nauseum
    Historical mailing list - Frank Condelli
    Mon, 10 Aug 2009 06:41:42 EDT
    ...How do you think that would work ? The Hydrogen/ammonia mixture has ABSOLUTLEY nothing to do with the PROPANE burner. >>>>>Isn't what seems...
  • Aircooleds and Airplanes
    Historical mailing list - Matthew Drahzal
    Mon, 17 Jul 1995 15:10:41 -0500 (EDT)
    ...One of the symptoms of overleaning an aircraft engine is the engine oil temparature rising, and one solution is to enrichen the mixture... ..It...
  • afm air screw question?
    Historical mailing list - milford
    Thu, 13 Mar 2003 10:35:42 -0800
    Does anybody know how the air mixture screw in the afm rotates? Which way equals richer or leaner? Hope somebody can take a moment...
  • Re: Idle/mixture Screw
    Historical mailing list - Doktor Tim
    Mon, 6 Oct 2003 15:05:52 -0700
    Rule of thumb simply cannot hold a candle to correct procedures. At 02:16 PM 10/06/2003, you wrote: >3.5 turns from...
  • Fwd: Re: Tyres and nitrogen
    Historical mailing list - Steve W
    Wed, 23 Apr 2003 19:01:04 -0700
    VW Folks, If normal air is used in a tire and the N leaks out much slower the mixture in all of our tires...
  • Re: Engine management (manual control of mixture)
    Historical mailing list - David Marshall
    Sat, 15 Jan 2000 11:47:24 -0800
    ...Setting the gain below one should enrich the mixture and >versa-visa. I would want to install some sort of device to let me...
  • O2 sensor clarications
    Historical mailing list - Mark Keller
    Sun, 4 Feb 2001 13:38:21 -0700
    ...The ECM does not need the O2 sensor in order to set a fuel mixture that is adequate. The O2 sensor, in my opinion...
  • Dometic 182 B Fridge- Ad Nauseum
    Historical mailing list - David Clarkson
    Sat, 8 Aug 2009 08:53:57 -0400
    ...Circulating coolant mixture might enable it to chill down to the optimum temp quicker on propane of course. ? David Clarkson 90 Westy 266k At...
  • Re: Carb Specs?????? (fwd)
    Historical mailing list - Gerald Skerbitz
    Sun, 16 Apr 1995 19:24:12 -0500 (CDT)
    ...Carb Specs?????? Mark Sabourin writes: > > This may sound like a total idiot-stick question, but how does one > adjust the mixture on the dual...
  • Re: AFM spring adjsutment
    Historical mailing list - Tom Young
    Thu, 8 Mar 2001 09:09:37 -0800
    ...However, the book "Bosch Fuel Injection and Engine Management" has this to say: "If a CO meter is not available, adjust the mixture for...
  • Resolved (yey!)! Temp Indicator On Dash rises to max: 84 Vanagon
    Historical mailing list
    Tue, 15 Oct 1996 07:43:24 -0700
    ...poured more of the mixture from the remaining coolant/distilled water mixture. LED light on dashboard still kept on blinking. Poured a little bit...
  • Re: (LONG) Surging Idle fixed! / Surging O2 sensor readings
    Historical mailing list - Lawrence Johnson
    Wed, 12 Jan 2000 08:20:05 -0500
    ...This caused the OXS to detect oxygen and the ECU determined that the mixture was "too lean". The ECU enriched the mixture and the...