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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 1+: 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.

  • Re: mixture adjustment without gas analyzer
    Historical mailing list - Darrell Boehler
    Mon, 3 Aug 1998 00:33:31 -0500
    ----------------------- Hi Dan, The oxygen sensor should be hot and providing the digifant with voltage / mixture signal in about 2 minutes when starting a cold...
  • Re: Help - Setting Idle Mixture
    Historical mailing list - Dennis Haynes
    Wed, 15 Apr 1998 22:46:45 -0400
    ...Help - Setting Idle Mixture >Now that I've conquered the misfiring problem, my engine is running rough >due to a rich gasoline/air mixture...
  • Re: Idle/mixture Screw
    Historical mailing list - Dennis Haynes
    Mon, 6 Oct 2003 19:23:45 -0400
    The idle mixture screw effects only that, the idle mixture. Other driveability problems are caused elsewhere. Dennis -----Original Message----- From: Vanagon Mailing List [mailto...
  • Re: EPA and Vanagon Emissions
    Historical mailing list - JRodgers
    Fri, 29 Jun 2012 12:49:54 -0500
    ...John On 6/29/2012 12:18 PM, OlRivrRat wrote: > he term Air-Fuel Mixture has always bugged me ~ should be Air- > Gasoline Mixture.
  • Re: mixture adjustment without gas analyzer
    Historical mailing list - Tom Young
    Sun, 2 Aug 1998 19:37:06 -0700
    On the L-Jetronic systems with the O2 sensor, you can get a close approximation of the "correct" mixture by monitoring the voltage output...
  • Re: Lunch with Bentley
    Historical mailing list
    Mon, 21 Nov 1994 14:41:25 -0800
    ...A lean mixture runs hot, making NOx, but combusts completely and has little CO and few unburned hydrocarbons. A richer mixture runs cooler, makes...
  • Re: Emissions (CO) still out...
    Historical mailing list
    Tue, 17 Oct 1995 22:20:01 -0400
    ...Then readjiust the idle co screww to obtain the desired mixture. After the emission test return your spring to approx 2.5% mixture as...
  • Re: rough running
    Historical mailing list - Geza Polony
    Thu, 21 Jun 2007 19:12:51 -0400
    Did you have the mixture set with an exhaust gas analyzer? I had the same symptoms as you're describing, slight misfire around 2500...
  • Re: Emissions (CO) still out...
    Historical mailing list
    Wed, 18 Oct 1995 00:43:27 -0400
    ...If the co is high the mixture is rich. period. not lean... If I was incorrect my cars would not pass Calif rigid smog...
  • Re: How Does Timing Affect Idle Mixture?
    Historical mailing list - Tom Young
    Mon, 17 Mar 2003 11:31:50 -0800
    ...With the O2 > sensor disconnected, I am having trouble getting the idle mixture adjusted. > It is running lean even with the idle mixture screw...
  • tiico CO mixture/Gas mileage
    Historical mailing list - Andrew Nock
    Fri, 27 Dec 2002 02:32:51 -0500
    ...I just hooked up the software to check and adjust the mixture But where do I rent a CO meter - or is this a...
  • Help - Setting Idle Mixture
    Historical mailing list - William Ward
    Tue, 14 Apr 1998 17:41:20 -0500
    Now that I've conquered the misfiring problem, my engine is running rough due to a rich gasoline/air mixture, and I don't...
  • Re: EPA and Vanagon Emissions
    Historical mailing list - Alistair Bell
    Fri, 29 Jun 2012 11:02:09 -0700
    ...And that changes the equation for > carbon emissions. > > John > > On 6/29/2012 12:18 PM, OlRivrRat wrote: >> he term Air-Fuel Mixture has...
  • O2 sensors, setting air mixture
    Historical mailing list - Dan Houg
    Mon, 21 Nov 1994 11:52:07 CST6CDT
    ...Adjust the air mixture screw to get as close to 500 mv on a warmed up engine. A properly adjusted air mixture will give...
  • Re: Rubber meets the metal
    Historical mailing list - Dan Moy
    Tue, 30 Sep 1997 10:49:14 -0400
    When I used to build balsa model airplanes, (the ones with a rubber band and prop) I treated the rubber with a mixture of...
  • Re: Maximum engine power and Performance Chip disscussion
    Historical mailing list - Mark Keller
    Fri, 14 Mar 2003 11:25:31 -0800
    ...Best > emissions in a catalyst-equipped engine are obtained with a mixture that > alternates between slightly rich and slightly lean, hovering around the > mixture...
  • afm mixture screw
    Historical mailing list - milford
    Sun, 13 Jan 2002 22:13:37 -0800
    Can anybody tell me how the afm mixture screw is set up? e.g, Is clockwise lean or rich. Thanks for taking a moment...
  • Re: Engine management (manual control of mixture)
    Historical mailing list
    Sat, 15 Jan 2000 09:08:49 EST
    ...Isn't the computer changing the mixture to get the best possible mixture for accelleration, and deceleration as well. So if you set your...
  • Re: O2 sensors effect on power
    Historical mailing list - David Beierl
    Tue, 6 Mar 2001 13:57:58 -0500
    ...This is the *required* mixture for the cat to operate correctly. If the mixture is the slightest bit lean the NOx rises dramatically; if...
  • Re: O2 sensors effect on power
    Historical mailing list - David Beierl
    Tue, 6 Mar 2001 13:57:58 -0500
    ...This is the *required* mixture for the cat to operate correctly. If the mixture is the slightest bit lean the NOx rises dramatically; if...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - Mark Keller
    Wed, 14 Feb 2007 16:00:22 -0800
    Mike, You have three adjustments to the Fuel Injection sytems, and Four other inputs that affect mixture. And as pointed out by others the...
  • mixture adjustment without gas analyzer
    Historical mailing list - Dan Hall
    Sun, 2 Aug 1998 21:53:32 EDT
    Volks, Is there any way to make improvements in the mixture without an exhaust gas analyzer? Just something in the ballpark until I can...
  • Re: FI mixture adjust?
    Historical mailing list - Tom Young
    Thu, 4 Feb 1999 15:42:38 -0800
    ...Sometimes this weakened spring condition is so bad that you can't adjust the mixture back to the right level using the mixture adjustment...
  • Re: Digijet Euro ECU tuning
    Historical mailing list - Steve Cotsford
    Tue, 12 Nov 2002 19:05:41 EST
    Frank, Could you explain how you can get better acceleration with the mixture leaned out ? I have always been under the impression that to...
  • Re: Calif Smog Issues
    Historical mailing list - Tom Young
    Tue, 26 Oct 2004 06:58:15 -0700
    ...Typically expressed as the fuel air mixture is "too rich." > The mixture adjustment is not going to have any effect > at speed, something is...
  • Re: adjusting mixture ratio
    Historical mailing list - Gene P
    Fri, 5 Jul 2019 11:04:26 -0700
    ...adjusting mixture ratio hi all, is there a way to adjust fuel/air mixture ratio on a stock 2.1 WBX?
  • diesel fuel mixture
    Historical mailing list - Robert Zezoff
    Fri, 15 Aug 1997 07:37:21 -0800
    ...On them, I can adjust the fuel mixture by adjusting the aneroid on the fuel injection pump. These are both turbo engines and the...
  • Re: O2 readings
    Historical mailing list - Tom Young
    Thu, 11 Sep 2003 11:42:50 -0700
    ...mixture is *very* steep right around the "ideal" mixture, so you should see a rapid fluctuation above and below .5 volts) with higher voltage...
  • Re: black tail pipe
    Historical mailing list - Chris Turner
    Sat, 11 Oct 1997 22:30:07 -0400
    ...the mixture? How?) Yes, a black, sooty tail pipe usually indicates a too-rich mixture, so you need to lean the mixture. >> EVERY car...
  • Re: black tail pipe
    Historical mailing list - Tom Young
    Sat, 11 Oct 1997 16:53:23 -0700
    ...Since there's feedback from the O2 sensor you should, in theory, never have to adjust the mixture manually. First, check the entire ignition...
  • Re: Mileage at altitude - responses/experiences requested
    Historical mailing list - Rian Mullins
    Thu, 28 Oct 1999 23:08:14 -0500
    ...There may be > some automatic mixture adjustment built into the F/I but it is probably small > and the limits are reached very quickly...
  • Re: New O2 Sensor now stuttering
    Historical mailing list - David Beierl
    Sun, 11 Apr 2010 22:46:37 -0400
    ...But stoich is in between the best mixture for economy and the best mixture for power. The engine will run perfectly well with much...
  • fuel mixture adjustment on 81 Vanagons (fwd)
    Historical mailing list - Joel Walker
    Thu, 26 Mar 1998 12:40:51 CST
    ...fuel mixture adjustment on 81 Vanagons Mr. Walker, I own and operate a company in Costa Rica called Siesta Campers (http://www.edenia.com...
  • Re: 02 mixture questions
    Historical mailing list - Rick Sherrod (hopeless VW nut)
    Wed, 15 Oct 1997 10:54:25 -0500
    ...O2 mixture questions >>>I have several questions when it comes to adjusting my mixture using the oxygen sensor. >>> 1. Do I have to disconnect...
  • Setting fuel mixture
    Historical mailing list - by way of Ron Lussier
    Fri, 22 Aug 1997 10:37:15 -0700
    I was wondering how to set my fuel mixture on my air-cooled vanagon? Do you turn the screw clockwise to lean up the...
  • Re: mixture adjustment without gas analyzer
    Historical mailing list - Ari Ollikainen
    Sun, 2 Aug 1998 21:09:03 -0700
    ...One of you talks about mixture and the other mentions CO2 while the original poster mentioned the "CO content screw". Gentlemen, please check your...
  • Re: FW: Inexpensive O2 Sensors - A Suggestion
    Historical mailing list - Tom Young
    Fri, 16 Feb 2001 18:12:25 -0800
    ...When the mixture is lean it puts out low volts (say, .1, .2 volts) and when the mixture is rich it puts out higher...
  • Re: How to - or not - bleed the cooling system
    Historical mailing list - John Rodgers
    Wed, 8 Feb 2006 14:37:05 -0600
    ...The specs call for a coolant mixture of 50/50 coolant to water. That mixture gives a specific resistance between the two electrodes on...
  • Re: 02 mixture questions
    Historical mailing list - Tom Young
    Wed, 15 Oct 1997 12:47:13 -0700
    ...O2 mixture questions > > >>>I have several questions when it comes to adjusting my mixture using the > oxygen sensor. > >>> 1. Do I have to disconnect...
  • O2 sensors effect on power
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:22:11 -0800
    ...The pre cat Bosch fuel injection system is quite capable of giving accurate fuel mixture in operational service. The O2 sensor's main function...
  • O2 sensors effect on power
    Historical mailing list - Mark Keller
    Tue, 6 Mar 2001 09:22:11 -0800
    ...The pre cat Bosch fuel injection system is quite capable of giving accurate fuel mixture in operational service. The O2 sensor's main function...
  • Re: update on decreased mileage after tuneup problem
    Historical mailing list - Tom Young
    Wed, 10 Jun 1998 07:14:48 -0700
    ...But, is the output of the O2 sensor indicating a rich mixture? If the mixture is set more or less OK then, with the...
  • Re: mixture adjustment without gas analyzer
    Historical mailing list - Michael Modl
    Mon, 3 Aug 1998 01:47:12 EDT
    ...On Sun, 2 Aug 1998, Dan Hall wrote: >> When adjusting the mixture to around .5 volts (500 millivolts) be sure that the O2 sensor...
  • O2 Sensor
    Historical mailing list - Mark Keller
    Mon, 5 Feb 2001 17:39:24 -0700
    ...It is important that the o2 functions, but it just seems to me that people rely on the o2 to control the fuel mixture...
  • Temp2 sensor and mixture
    Historical mailing list - Ed Shultz
    Thu, 3 Jun 2004 08:19:29 EDT
    Hi All, Will disconnecting the temp2 sensor while the engine is fully warmed up cause the mixture to be too rich? I'm talking...
  • Re: Tighten-up your AFM
    Historical mailing list - Tom Young
    Fri, 10 Sep 1999 10:48:52 -0700
    ...About 3 years ago I couldn't pass smog because the mixture was too rich. Even after screwing out the idle mixture screw all...
  • Re: CO adjustment, can this add power if enriched to the upper end of the scale?
    Historical mailing list - Dennis Haynes
    Thu, 3 Jan 2002 06:16:18 -0500
    The mixture adjustment screw on the AFM only effects the mixture at idle. If everything is set correctly, the O2 sensor has the ultimate...
  • Backfiring engine
    Historical mailing list
    Wed, 8 Nov 1995 07:22:00 -0800
    ...By turning the small idle mixture screw counter clockwise 1/2 a turn or so the problem was solved. Martin
  • Air Fuel Mixture Logic
    Historical mailing list - Jeff Strickrott
    Sun, 28 Dec 2003 09:14:08 -0500
    ...I am still the process of trying to get the engine to idle well and set the air fuel mixture. I am looking for...
  • Re: do it yourself air/fuel mix ratio adjustment?
    Historical mailing list - phil cain
    Wed, 30 Mar 2005 18:09:09 -0800
    Brian, don't play with the mixture unless you have axcess to a way to set the mixture, requires special tool(ox sensor). Phil...
  • Re: Adjustable rate fuel pressure regulator? anybody try one?
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 15 May 2012 23:40:37 -0700
    ...I don't think our 02 / ECU systems can compensate for large changes in mixture .. only fine tuning on the basic mixture . they run...
  • Recent thread on homemade exhaust analyzers?
    Historical mailing list - Tom Young
    Sun, 4 Oct 1998 10:09:03 -0700
    ...AFM to adjust the fuel mixture at 3,000 rpm and the mixture screw to adjust the mixture at idle. I thought I'd...
  • Re: EPA and Vanagon Emissions
    Historical mailing list - Dave Mcneely
    Fri, 29 Jun 2012 13:39:47 -0500
    ...mcneely > > John > > > > On 6/29/2012 12:18 PM, OlRivrRat wrote: > >> he term Air-Fuel Mixture has always bugged me ~ should be Air- > >> Gasoline...
  • Re: CO testing: port vs pipe
    Historical mailing list - Beth Young
    Thu, 21 Nov 1996 18:04:36 -0800 (PST)
    ...Will a mistake in the idle mixture have ramifications when the engine is under load? I'm assuming that at idle the mixture is...
  • The Real FI Tuning
    Historical mailing list
    Sat, 11 May 1996 09:59:17 -0700
    ...This procedure will not work with carburetors which use a stepping motor to control the a/f mixture. Theory The a/f mixture is...
  • Adjusting for too rich injection
    Historical mailing list - George Averill
    Mon, 23 Dec 2002 12:09:56 -0500
    Can the screw in the intake air sensor or a Digijet (84 Vanagon Camper) be used to decrease the mixture? I am getting carbon...
  • Maximum engine power and Performane Chip Discussion
    Historical mailing list - Mark Keller
    Fri, 14 Mar 2003 10:30:39 -0800
    ...This is because the ECU / O2 sensor configuration of the system is to keep fuel mixture within a predetermined mixture range-- neither optimum economy...
  • How Does Timing Affect Idle Mixture?
    Historical mailing list - Jay L Snyder
    Mon, 17 Mar 2003 13:35:04 -0500
    ...With the O2 sensor disconnected, I am having trouble getting the idle mixture adjusted. It is running lean even with the idle mixture screw...
  • Re: Mileage at altitude - responses/experiences requested
    Historical mailing list - John Rodgers
    Thu, 28 Oct 1999 22:14:42 -0600
    ...At altitude that air density becomes less and less in relation to the amount of fuel going through the engine, so fuel air mixture...
  • Re: O2 sensors, setting air mixture
    Historical mailing list - Dan Houg
    Mon, 21 Nov 1994 13:15:03 CST6CDT
    ...on a) > the sensor readouts and b) fuel consumption? (in other words does fuel > mixture need to be readjusted after a new cat is...