Search messages and discussions

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 7+: 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: Boston Bobs day at the dyno
  Historical mailing list - Mike Hugill
  Fri, 21 Dec 2001 13:50:14 -0500
  ...One is that the 22d ECU does not set a full > rich mixture at WOT like the the 22 ECU, per Darrell Boehler. Second...
• Re: fuel/air mixture diagnostics
  Historical mailing list - Larry Alofs
  Thu, 8 Jul 2004 15:52:44 -0500
  ...BTW a steady low voltage from the O2 sensor , indicating a lean mixture, might also result from a sensor that is fouled by soot...
• Fuel Mixture Problems!!!
  Historical mailing list - Karl Batzler
  Wed, 10 Feb 1999 08:10:04 -0800
  ...Now my problem...fuel mixture. I've been fighting this for over a year and I'm getting frustrated. Let me explain: Since I...
• Re: (LONG) Surging Idle fixed! / Surging O2 sensor readings
  Historical mailing list - Darrell Boehler
  Wed, 12 Jan 2000 08:08:39 -0600
  ...Since it is normal for the mixture to go from a slightly rich to a slightly lean situation. Your vans closed loop mixture appears...
• Re: 83 Vanagon stalling UPDATE
  Historical mailing list - Tom Young
  Wed, 22 Oct 1997 09:10:26 -0700
  ...adjust the mixture for the leanest setting that provides a smooth idle, then enrich the mixture an additional 1/4 turn. Test drive and...
• Re: Pad over engine & Fire extinguisher
  Historical mailing list
  Mon, 27 Jan 1997 14:27:16 +0200
  ...A big mixture I think. Helmut '80 Camper
• stumbling
  Historical mailing list - Anthony Wilkie
  Thu, 5 Mar 1998 20:04:44 -0800
  John Clavin , try to turn the big idle mixture screw out 1/2 turn . I have done this to many vanagons that had the...
• AFM Idle Air Adjustment 1.9
  Historical mailing list - Geza Polony
  Wed, 25 Oct 2006 12:11:42 -0400
  The air adjustment screw on the AFM controls only IDLE mixture, not running. Correct? Reason I ask is van is running lean under load...
• Re: Performance chip
  Historical mailing list - David Beierl
  Wed, 4 Jan 2012 07:49:45 -0500
  ...Disgusting...and their so-called explanation about stoichiometric mixture (great word) neglects to mention that every vehicle with a catalytic convertor has its mixture...
• Re: Sensor in CAT question ??
  Historical mailing list - Tom Young
  Sat, 19 May 2001 11:04:39 -0700
  ...to the ECU as to the air/fuel mixture and helps the ECU keep the mixture properly balanced. --------------------------------------------------------------------------- Tom Young tomyoung1@home.com Lafayette...
• Re: Heat, vapor lock, won't start?
  Historical mailing list - Karl Wolz
  Thu, 19 Aug 2010 15:23:46 -0700
  The sealed mixture screw on the AFM ONLY affects the mixture at idle - has negligible or no effect at speed. Karl Wolz |-----Original Message...
• Re: Rich mixture/excessive fuel use
  Historical mailing list - David Beierl
  Thu, 6 Jun 2002 12:18:00 -0400
  At 11:58 AM 6/6/2002, joe@cedar.net wrote: >Replaced the O2 sensor. That don't mean it's good...and it...
• Re: Tweak yer heater output!
  Historical mailing list - Dylan Friedman
  Mon, 18 Nov 2002 13:02:04 -0500
  ...I fixed the hose, added coolant mixture and I'm back to 100%. dylan
• Re: New O2 sensor.....new problem....Please help.
  Historical mailing list - Doktor Tim
  Sun, 10 Nov 2002 11:28:24 -0800
  Always when replacing anything in the FI system the base mixture setting needs checking and/or adjustment. Verify the setting at idle with disconnects...
• Digifant troubleshooting
  Historical mailing list - John
  Mon, 17 Jul 2000 14:34:05 -0400
  ...If signal stays around 200mv, the mixture is lean, if it stays around 800mv it's rich. The most common lean mixture problem is...
• O2 senor operation!
  Historical mailing list - Dennis Haynes
  Wed, 16 May 2012 16:53:23 -0400
  ...The goal for the O2 sensor is not to provide the ideal fuel-air mixture for economy or performance although that is a benifit...
• Re: Digifane without Throttle Position switch???
  Historical mailing list - David Beierl
  Fri, 18 Jun 2010 10:11:16 -0400
  ...The idle stab and WOT mixture depend on it, as well as deceleration fuel-shutoff. Yrs, d
• black tail pipe
  Historical mailing list - Blake C. Thornton
  Sat, 11 Oct 1997 09:19:57 -0600
  ...is it running too rich and do i need to lean the mixture? How?) Thank for any responses Blake Salt Lake City (84 westy)
• Re: Failed Smog Test
  Historical mailing list - Dave Bayer
  Fri, 22 Jan 1999 15:35:41 -0800
  ...The lower voltage is interpretted as a lean mixture by the ECU and thus the ECU orders a richer mixture (which is in fact...
• Re: Adjustable rate fuel pressure regulator? anybody try one?
  Historical mailing list - David Bjorkman
  Wed, 16 May 2012 10:45:22 -0500
  ...That mixture is called the stoichiometric<BR>&gt; mixture and is about 14.7 parts of air by weight (mass if you're<BR...
• Re: '86 idle revisited and other comments
  Historical mailing list - Tom Young
  Mon, 7 Apr 1997 17:22:25 -0700 (PDT)
  ...Finally determined that the air sensor was such that it COULD NOT be "leaned" enough to get the idle mixture into spec. After fixing...
• Re: Re[2]: Vanagon O2 Sensors
  Historical mailing list
  Wed, 15 Jul 1998 14:36:57 EDT
  ...In simple terms, the O2 sensor tells the Fuel Management system how much oxygen is left after the fuel mixture is burned. I don...
• Re: FI mixture adjust?/ Running Rich
  Historical mailing list - David R. Paterson
  Mon, 8 Feb 1999 07:20:31 -0500
  ...fuel from somewhere and that the O2 sensor cannot adjust the mixture enough. I have a rebuilt 2.1 with 1:2.5 ratio...
• refitting propane tank
  Historical mailing list - Matthias Kuster
  Mon, 12 Feb 2007 09:55:58 -0800
  ...and regulator (how does that function anyways??> Does it adjust the mixture? Mixture with what?). Keep on Trucking, Matthias p.s.: oh, and I...
• Re: Freeze Plugs was Oops - I let the engine freeze
  Historical mailing list - Jim Arnott
  Fri, 4 Feb 2011 20:02:24 -0800
  ...The freezing point of an ethylene glycol and water mixture drops rapidly as the concentration of glycol is increased to a mixture of about...
• running rich
  Historical mailing list - Woody Halsey
  Thu, 23 Dec 1999 08:16:36 -0500
  ...How do I adjust to make the mixture more lean? TIA and merry Christmas, Woody
• Re: O2 Sensor, Bucking etc.
  Historical mailing list - kenneth d lewis
  Thu, 2 Nov 2000 19:02:17 EST
  ...This produces a rich mixture,sensor voltage drops,computer leans out the mixture.An endless cycle. In other words the mixture never stabalizes at...
• Re: Flooding
  Historical mailing list - Tom Young
  Thu, 2 Sep 2004 21:34:44 -0700
  ...that over-enriched the fuel/air mixture to the point that I couldn't set the mixture properly (lean enough) using the adjusting screw...
• Re: O2 sensor voltage test
  Historical mailing list - Darrell Boehler
  Thu, 14 Dec 2000 15:07:44 -0600
  Hi James, It seems the afm main spring gets weak with age and can cause a rich mixture (high o2 voltage reading, poor mileage...
• Re: Coolant resistance thru coolant level probe
  Historical mailing list - Leon Korkin
  Fri, 27 Jul 2001 23:18:44 -0700
  ...so it was not the recommended 50/50 mixture. > > 1. coolant from van, probes "dirty"------------ 333 ohms > 2. coolant from van, probes wiped off...
• Coolant reservoir overflow?
  Historical mailing list - Michael Harris
  Tue, 19 Dec 95 23:51:15 +0000 (GMT)
  ...I pulled the plugs and found them black - sooty (very rich mixture). So I checked the CO using a digital voltmeter on the O2...
• Re: Leveling the van- shims made of teflon or nylon.....what's up!
  Historical mailing list - Frank Grunthaner
  Sat, 12 Jan 2002 12:48:40 EST
  ...The polyethylene family (family because there are many engineering alloys or mixtures of monomers used to generate desired properties) is more likely. Frank Grunthaner
• Re: Adjusting for too rich injection
  Historical mailing list - George Goff
  Mon, 23 Dec 2002 18:28:53 EST
  ...or a Digijet (84 Vanagon Camper) be used to decrease the mixture? >> Sure, but you better make damn certain that everything else is kosher...
• Re: afm air screw question?
  Historical mailing list - Zoran Mladen
  Thu, 13 Mar 2003 15:20:57 -0800
  clockwise - richer counter clockwise - leaner --- milford <ims14519@SHAW.CA> wrote: > Does anybody know how the air mixture screw in the > afm rotates? Which way...
• Re: Failed Emissions Check
  Historical mailing list - Dennis Haynes
  Wed, 25 Aug 2004 23:38:38 -0400
  ...A rich mixture will show up as excessive CO. Many cars use an EGR valve to recirculate the exhaust gasses into the engine during...
• Re: 84 Westy - Accessing stove burners?
  Historical mailing list - Malcolm Stebbins
  Mon, 2 Aug 2004 05:39:03 -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: vanagon exhaust analyzer for home use
  Historical mailing list - Scott Norville
  Fri, 11 Jun 2004 15:37:56 -0400
  An alternative is the Gunson Gas Analyzer--it only analyzes carbon monoxide, but this lets you set the mixture to an optimum. Assuming an...
• Re: Coolant resistance thru coolant level probe
  Historical mailing list - Maynard Southard
  Sat, 28 Jul 2001 12:22:29 -0400
  ...so it was not the recommended 50/50 mixture. > > 1. coolant from van, probes "dirty"------------ 333 ohms > 2. coolant from van, probes wiped off...
• Re: Remedy requested for Suspected "rich-running" 1.9
  Historical mailing list - Marshall
  Sun, 5 May 2002 15:37:19 -0500
  ...what could be > happening is that the aux air regulator is NOT allowing extra air, and > the mixture stays too rich (not enough air...
• Re: automatic performance
  Historical mailing list - Mark Keller
  Thu, 1 Aug 2002 08:40:48 -0700
  ...Anything below the .3 mixture is unacceptable. If the spring tension is giving good mixture at all other driving condition with the EXCEPTION of...
• Re: CO adjustment, can this add power if enriched to the upper end of the scale?
  Historical mailing list - Mark Ingalls
  Thu, 3 Jan 2002 08:02:57 -0600
  ...If the mixture is rich enough during this bypass to bring the engine over 1300 RPM, we start the idle surge again.<<< I've...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - David Beierl
  Sun, 3 Aug 2008 19:07:44 -0400
  ...That would be good news, cause otherwise you've got a big mixture problem. David -- David Beierl - Providence RI USA -- http://pws.prserv.net...
• Re: SMOG TEST failure
  Historical mailing list - Dennis Haynes
  Thu, 7 Feb 2008 21:07:08 -0500
  ...Yes, this is the one that is mixture, and temperature related. Why temperature? The big un-vaporized fuel molecules may not get the oxygen...
• Re: AFM adjustment; clockwise or anticlockwise? NOx
  Historical mailing list - Dennis Haynes
  Mon, 18 Jun 2012 23:38:08 -0400
  ...NOx is a secondary effect of lean mixture, so you might as well measure mixture directly so you can tell if it's rich...
• Re: Can O2-sensor make engine run too lean?
  Historical mailing list - Dennis Haynes
  Thu, 22 Dec 2011 01:46:53 -0500
  ...Yes a properly working O2 sensor will lean the mixture out as compared to having it disconnected. Most likely the richer mixture with it...
• Air Flow Meter/'81 Van/Failed smog
  Historical mailing list - Beth Young
  Sat, 21 Dec 1996 16:15:13 -0800 (PST)
  First, thanks for the replies to my previous post regarding the inability to adjust my idle mixture "lean" enough due to an apparently faulty...
• Re: Cold Engine Problem
  Historical mailing list - MOST,DAVID
  Wed, 3 Jan 2001 00:02:12 -0800
  ...On > a cold engine the computer assumes the fuel pressure is set and gets no > feedback if the mixture is too lean or to...
• Chasing Surge
  Historical mailing list - Bob Whitby
  Fri, 3 May 2002 10:37:03 -0700
  ...This morning I attempted to adjust the idle mixture. Unplugged the 02 sensor and the rpm connection for the ISV valve (again per Sir...
• RE: O2 sensors, setting air mixture
  Historical mailing list
  Mon, 21 Nov 94 13:37:22 EST
  On a makeshift O2 sensor and the purpose of the sensor etc etc: There was very lengthy FAQ on exactly this question...on rec...
• Re: Adjusting intake air sensor
  Historical mailing list - George Goff
  Tue, 24 Dec 2002 11:02:23 EST
  In a message dated 12/24/02 9:54:35 AM, averill@LDL.NET writes: << "Which way leans the mixture?" >> With the OXS and...
• Re: Fuel pressure regulator - acceptable pressure readings?
  Historical mailing list - David Beierl
  Wed, 24 Jul 2013 12:37:21 -0400
  ...So lessee...stoichiometric mixture is 14.7:1. Best economy mixture is about 16.7:1, best power mixture is about 13.3:1...
• Re: O2 sensor testing
  Historical mailing list - Jay L Snyder
  Mon, 13 Jan 2003 14:57:27 -0500
  ...Normal mixtures should read 0.5 to 0.7VDC. Bad sensor will show no volts and the ECU will run open loop, which ususally...
• Re: MAF Sensors and the Vanagon
  Historical mailing list - John Rodgers
  Tue, 7 Dec 2010 10:46:34 -0600
  ...In that moment of time, there is a lag in fuel flow and with increased air flowing through the carburetor the fuel mixture suddenly...
• EGR Purpose in Life
  Historical mailing list
  Fri, 8 Mar 1996 06:06:08 -0500
  ...This is critical in an air cooled engine running lean mixtures. Raising the peak flame temparature is what helps burn pistons and melt heads...
• Re: The two throttle valve switches, redux
  Historical mailing list - Michael Elliott
  Tue, 25 Sep 2007 23:17:08 -0700
  ...Bentley's tells us that when this happens >>>> the ECU will enrich the mixture (24.34). >>>> >>>> So taking your foot off the gas or...
• Re: Coolant resistance thru coolant level probe
  Historical mailing list - patrick paul clerkin
  Sat, 28 Jul 2001 03:22:00 -0500
  ...so it was not the recommended 50/50 mixture. > > > > 1. coolant from van, probes "dirty"------------ 333 ohms > > 2. coolant from van, probes wiped off...
• Re: Oxygen Sensor
  Historical mailing list - Tom Young
  Wed, 13 Aug 1997 16:05:25 -0700 (PDT)
  ...A "rich" mixture drives the voltage toward the maximum of its output (around .9 - .95 volts) while a "lean" mixture drops the voltage down...
• Re: '85 Vanagon Sunroofy 1.9L - Coolant BLeeding/Thermostat/FanSwitch
  Historical mailing list - Larry Alofs
  Wed, 21 Aug 2002 13:45:28 -0500
  Dustin Fitch wrote: > > mark, yeah, I did say water a few times didn't I....no, I'm all good on the > coolant mixture...
• Closed-Loop: what's the ECU waiting for?
  Historical mailing list - Michael Elliott
  Sat, 3 Nov 2007 10:20:31 -0700
  What determines when the Digijet ECU decides to go closed loop to control the air-fuel mixture? The Digijet Training Manual is not real...
• Re: O2 sensors, setting air mixture
  Historical mailing list - Joel Walker
  Mon, 21 Nov 94 13:31:17 CST
  On Mon, 21 Nov 94 13:24:12 CST Gerald Skerbitz said: >Does anyone have this article? Joel? >I put a file called ExhaustAnalyzer...