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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 3+: 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.

  • Effect of Oxy Sensor on a 2.1 engine
    Historical mailing list - tabe johnson
    Sun, 18 Jan 2004 22:48:21 -0500
    ...I didn't realize the oxygen sensor had such a large impact on the mixture. On vehicles of this vintage (mine's an '87...
  • Re: Bulley website/pages and a crazy idea
    Historical mailing list - Alistair Bell
    Mon, 6 Oct 2003 07:57:47 -0700
    Bill, The statement: "The Q-Pads have a mixture of other materials in it, that all resonate at different frequencies, and that is what...
  • Re: The dreaded AFM adjustment screw
    Historical mailing list - Dennis Haynes
    Wed, 14 Feb 2007 16:39:40 +0000
    ...Clockwise closes the bypass making the mixture slightly richer. Counter clock wise opens it. If the O2 sensor is working properly the adjustment will...
  • Re: 86 digifant running rich
    Historical mailing list - Coby Smolens
    Thu, 3 Jun 1999 03:52:33 -0700
    ...The first couple times I worked on the 'Fant I watched the system correct the mixture to perfectly clean running while I purposely tampered...
  • Re: 2.1 Engine Swap(Pulsing idle)
    Historical mailing list
    Sat, 18 May 1996 23:16:50 -0400
    ...The problem is all in how you set the timing and mixture. Did you also schange the injectors? The ECU from the 1.9...
  • Re: O2 readings
    Historical mailing list - Chad Morris
    Thu, 11 Sep 2003 15:35:05 -0600
    ...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[2]: What's a Backfire
    Historical mailing list
    Tue, 07 Nov 95 19:55:44 EST
    ...Allow some fresh air to enter this mixture...and under the right conditions (such as de-accelerating) you get BANG! Definitely not good for...
  • Re: Adjustable rate fuel pressure regulator? anybody try one?
    Historical mailing list - David Beierl
    Wed, 16 May 2012 02:06:00 -0400
    ...than the ECU thinks they are doing, thus causing a richer mixture. If the ECI is running closed-loop (listening to the oxygen sensor...
  • Emissions (CO) still out...
    Historical mailing list - Jack Reed
    Tue, 17 Oct 1995 15:54:56 -0600 (MDT)
    Hi All, To all of you that told me that richening the mixture would bring the CO down, I say: booshwa. Richening (dialing in...
  • Re: ENGINE FAILURE-could be caused by too lean air-fuel mixture
    Historical mailing list - Dennis Haynes
    Wed, 13 Mar 2002 07:55:39 -0500
    Lean mixture causes corrosive oil? Good imagination! A lean mixture will only affect the oil if it is causing the rings to get so...
  • Fwd: Engine management (manual control of mixture) A new angle...
    Historical mailing list - David Utley
    Sun, 16 Jan 2000 09:16:10 EST
    [message/rfc822]
  • Fwd: Engine management (manual control of mixture) A new angle...
    Historical mailing list - David Utley
    Sun, 16 Jan 2000 20:46:56 EST
    [message/rfc822]
  • Re: O2 Sensor Voltage
    Historical mailing list - kenneth d lewis
    Fri, 2 Feb 2001 08:31:12 EST
    ...This produces a rich mixture,sensor voltage drops,computer leans out the mixture.An endless cycle. In other words the mixture never stabilizes at...
  • Re: While were talking mixture
    Historical mailing list - Dennis Haynes
    Thu, 13 Apr 2006 06:20:40 -0400
    ...If you do lean the mixture, you will have drivability problems. The warm up time should be short and there are standards that had...
  • Re: advice on installing 72 Eberspacher BN4, into a 67 westy
    Historical mailing list - G. Lee
    Sat, 25 Oct 2003 10:00:42 -0600
    ...Bench test the heater and set the mixture for your elevation. The BN4 heater uses a metering fuel pump to control the mixture, this...
  • Re: Stove top burner runs rich
    Historical mailing list - pensioner
    Thu, 28 Mar 2002 07:54:14 -0800
    Most propane devices have an air mixture mechanism. This is used to regulate the amount of air drawn into the propane/air stream that...
  • 84 Westy - Accessing stove burners?
    Historical mailing list - Rocket J Squirrel
    Sun, 1 Aug 2004 18:27:13 -0700
    ...One of the stove burners needs to have the mixture adjusted -- burns yellow, too much gas. It does not appear that the gas/air...
  • Re: Bad Cat???
    Historical mailing list - The Blackhams
    Tue, 22 Aug 2000 19:57:19 -0600
    ...500 + ppm HC would mean a lean mixture to me. If you graph CO and HC by fuel mixture you get the following: CO...
  • Re: Heh -- I'm such a ninnyhammer
    Historical mailing list - David Beierl
    Sun, 3 Aug 2008 20:17:46 -0400
    ...O2 sensor is strictly emissions-related and enforces a very narrow range of mixture oscillating back and forth across stoich, which is what the...
  • Re: Vanagon Syndrome/AFM Mounting Orientation?
    Historical mailing list - Alex MeVay
    Fri, 7 Feb 2020 09:40:33 -0800
    ...At that time, during hesitation, the mixture always goes lean. It's unclear to me whether the hesitation is caused by the lean mixture...
  • Re: Vanagon Syndrome/AFM Mounting Orientation?
    Historical mailing list - Alex MeVay
    Sun, 29 Mar 2020 15:06:46 -0700
    ...I could get the mixture lean only by adding a big air leak after the AFM. I also was able to get the mixture...
  • Re: B. Bobs day at the dyno and the importance of fuel air ratioupdate
    Historical mailing list - John Rodgers
    Tue, 1 Jan 2002 22:55:38 -0600
    ...The leanest running cylinder then became the guide cylinder by which the mixture for the engine was set. That way one avoided burning up...
  • Re: new O2 installed - engine dies
    Historical mailing list - Tom Young
    Sat, 27 Jun 1998 16:52:39 -0700
    ...It seems to me your basic mixture is set too rich; you should be observing the fluctuation around .5 volts with a hot, disconnected...
  • Re: No start after temp II replacement - conclusion
    Historical mailing list - Mike S
    Fri, 15 Feb 2008 19:47:05 -0500
    ...The ECU uses it to adjust the mixture. The mixture has a definite affect on engine temperature.
  • Re: 1.9 runs better with 02 sensor disconnected-kinda long cause I need to ventialte
    Historical mailing list - Geza Polony
    Wed, 15 Mar 2006 19:51:11 -0500
    ...If not, try turning the screw that controls the mixture on the AFM (allen head, on top of AFM) in and out to richen...
  • Re: 86 digifant running rich
    Historical mailing list - M.R. Nimmo
    Thu, 3 Jun 1999 06:32:31 -0700
    ...The first couple times > I worked on the 'Fant I > watched the system correct the mixture to perfectly > clean running while I > purposely tampered...
  • Re: How to - or not - bleed the cooling system
    Historical mailing list - Larry Alofs
    Thu, 9 Feb 2006 08:19:12 -0600
    ...I concluded that any plausible coolant mixture was conductive enough to satisfy the level sensor. Pure distilled water in a clean container would be...
  • Re: Recent thread on homemade exhaust analyzers?
    Historical mailing list - Ken Hooper
    Sun, 4 Oct 1998 13:21:38 -0500
    ...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: Gastester(schon wieder!)
    Historical mailing list
    Mon, 15 May 95 12:43:23 EDT
    > Very educational to watch the display. "Sweet spot" setting of mixture > (on 77 CIS engine) is very narrow and has nothing to do with...
  • Re: B. Bobs day at the dyno and the importance of fuel air ratio update
    Historical mailing list - Angus Gordon
    Wed, 2 Jan 2002 08:58:07 -0500
    ...The leanest >running cylinder then became the guide cylinder by which the mixture for >the engine was set. That way one avoided burning up...
  • Re: Thanks for your help, everyone! (New Vanagon Owner)
    Historical mailing list - Tom Young
    Sun, 13 Jun 2004 11:49:16 -0700
    Take it in to a competent mechanic and have the fuel/air mixture adjusted properly, then hook up the O2 sensor. In theory, a...
  • Re: huge loss of power
    Historical mailing list - Darrell Boehler
    Tue, 22 Jun 1999 14:41:52 -0500
    ...The reason I suspect the afm is the ecu will only correct the mixture up to a point and then it is programmed to...
  • Re: Temp II Again
    Historical mailing list - Dennis Haynes
    Wed, 25 Oct 2000 23:06:07 -0400
    The ECU does not actually change fuel mixture in any relationship to temp except for cold start. The ECU basically uses the temp sensor...
  • Re: How to - or not - bleed the cooling system
    Historical mailing list - Dennis Haynes
    Thu, 9 Feb 2006 08:06:02 -0500
    ...That > mixture gives a specific resistance between the two electrodes on the > coolant level sensor. Evidently on startup the circuit assumes an open > circuit...
  • Re: My poor MPG, compression tests results
    Historical mailing list - Chris S.
    Wed, 12 Sep 2007 14:43:52 -0700
    ...right left mixture asymmetry? -- Mike "Rocket J Squirrel" Elliott 71 Type 2: the Wonderbus 84 Westfalia: Mellow Yellow ("The Electrical Banana") 74 Utility Trailer...
  • Re: Engine management (manual control of mixture)
    Historical mailing list - kenneth d lewis
    Sat, 15 Jan 2000 10:36:11 EST
    ...When the ECU detects the output of the O2 sensor's go high it "knows" the mixture is too rich and cuts back on...
  • Re: vanagon Digest - 4 Aug 2004 - Special issue (#2004-716)
    Historical mailing list - d spence
    Thu, 5 Aug 2004 07:18:28 -0600
    ...It shot a squirt of gas into the throttle area when you floored it to prevent stumbling from too lean a mixture. It provided...
  • Re: O2 sensor question
    Historical mailing list
    Fri, 6 Jun 1997 10:53:54 -0700
    ...When they go open-loop, and no longer affect the mixture is not all that simple -- they go open loop for a variety of...
  • Re: ECU and Throttle Question
    Historical mailing list - John Rodgers
    Thu, 5 Aug 2004 12:57:44 -0500
    ...With the throttle wide open, or set by chart for altitude and horsepower, the mixture control could be adjusted to three settings. 1), Lean...
  • Re: Mileage at altitude - responses/experiences requested
    Historical mailing list - David Marshall
    Thu, 28 Oct 1999 22:00:17 -0700
    ...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: Help me fix my crappy idle, PLEASE!
    Historical mailing list - Beth Young
    Wed, 22 Jan 1997 07:02:41 -0800 (PST)
    ...Why "hotter" plugs? Because it's running rich? If so, you need to adjust the idle mixture. If you back out the idle mixture...
  • Silicon Chip Online - A Smart Mixture Display For Your Car
    Historical mailing list - John Rodgers
    Sun, 6 Jun 2004 19:41:55 -0500
    ...John Rodges 88 GL Driver In the Australian electronics magazine "Silicon Chip" for April 2004 there's a construction project called "A Smart Mixture...
  • Digijet Euro ECU Tuning
    Historical mailing list - Jay L Snyder
    Mon, 11 Nov 2002 15:39:24 -0500
    Does the AFM do anything at idle? In other words, does the spring tension affect the idle mixture at all or is it strictly...
  • Oxygen sensors
    Historical mailing list - Dennis Haynes
    Fri, 31 Oct 2014 18:22:31 -0400
    ...That is why "crossover" of the mixture is so important. The goal is not to maintain a set mixture, but to run rich and...
  • Re: Major Hesitation and Power Loss
    Historical mailing list - Beth Young
    Sun, 9 Feb 1997 07:05:15 -0800 (PST)
    ...Go out and adjust the idle mixture screw in (clockwise) and see if you don't get some improvement. You can properly adjust the...
  • Re: Mileage at altitude
    Historical mailing list - Darrell Boehler
    Fri, 29 Oct 1999 12:59:23 -0500
    ...As Bill points out the o2 sensor provides the ecu with the all important mixture info. Then with the o2 sensor voltage the ecu...
  • Re: Stalling at Idle when cold
    Historical mailing list - Paul Henderson
    Wed, 17 Sep 1997 11:06:52 -0500
    ...It also does NOT change the air/fuel mixture being > burned by the engine. I didn't say it did. I "allow(s) additional...
  • Re: O2 Sensor Voltage
    Historical mailing list - Larry Alofs
    Sat, 3 Feb 2001 01:28:11 -0600
    ...This produces a rich mixture,sensor voltage drops,computer > leans out the mixture.An endless cycle. In other words the mixture never > stabilizes at...
  • Re: At Idle: AFM Flap, CO Screw Relationship. Explanation Found
    Historical mailing list - Dennis Haynes
    Sun, 8 Jul 2012 02:19:10 -0400
    The air bypass or mixture adjusting screw will not bypass enough air for the AFM vane to stay closed. If it could than the...
  • Fuel Mixture????
    Historical mailing list - Gaelen Gallashant
    Fri, 28 Aug 1998 10:43:54 -0300
    ...I am running very rich now and want to find out how to set the fuel mixture Co content.... without all the fancy tools...
  • Re: Blending diesel & water
    Historical mailing list - John Rodgers
    Sat, 26 Feb 2000 00:15:18 -0600
    I'm not certain about this but I think that what happens is that the alchohol water mix evaporates, cooling the mixture, causing the...
  • Re: 82 now cranks but stil won't start when hot.
    Historical mailing list - Tom Young
    Thu, 6 Nov 2003 06:52:06 -0800
    ...The "not starting when hot" problem very frequently is an indication that the engine is receiving a too-rich mixture. The engine can tolerate...
  • Re: Adjustable rate fuel pressure regulator? anybody try one?
    Historical mailing list - David Beierl
    Wed, 16 May 2012 05:37:49 -0400
    ...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: Oil Level Again
    Historical mailing list - Helen Fahy
    Mon, 25 Jun 2001 09:56:57 -0400
    The mechanical agitation of the oil due to overfilling results in a mixture of oil and air, not a layer of foam overlaying the...
  • Re: Bosch or NGK plugs?
    Historical mailing list - Kent Christensen
    Sat, 30 Jan 1999 09:36:38 -0700
    ...It's also known that mixture properties vary by location as the fuel/air mixture enters the combustion chamber. Three-electrode plugs should address...
  • Plug Over Fuel Mixture Adj Screw on AFM, '81 Vanagon
    Historical mailing list - Lee Wood
    Tue, 11 Jul 2000 12:16:45 -0700
    Volks, I have not been successful in removing the silver metal (aluminum?) plug inserted on top of the fuel mixture adjustment screw on the...
  • Re: Fuel mixture change
    Historical mailing list - kenneth d lewis
    Sun, 19 Mar 2000 10:02:26 EST
    Riley; The air mixture screw only affects idle mixture. Drive Safely & Good Luck Ken Lewis <Kernersville,NC> 86 VW crewcab;60 356B Coupe -------------------------------------------------- On...
  • Re: O2 sensor question
    Historical mailing list
    Mon, 9 Jun 1997 08:27:35 -0700
    ...Lower lambda values mean richer mixtures, higher mean leaner mixtures. Lambda is a Greek letter, like an upside-down "y". Volvo used to have...
  • Re: 82 now cranks but stil won't start when hot.
    Historical mailing list - Higginbotham, David A.
    Thu, 6 Nov 2003 15:23:44 -0500
    Fuel/air mixture, this sounds very much like the problem. If this were a carbureted vehicle I would thing it was flooded. When I...
  • Re: VW=On-going maintenance concern
    Historical mailing list - Ari Ollikainen
    Wed, 15 Jul 1998 14:08:02 -0700
    ...A bum O2 sensor can cause >a VERY rich mixture, ruining the catalytic converter, and possibly burning >valves, or causing other BIG problems. > Please...