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Page 2+: 60 results shown for HC.

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

• Re: HC high at Idle - Any Ideas?
  Historical mailing list - Steve Blackham
  Tue, 9 Sep 2003 14:12:26 -0600
  There are several causes for High HC, basically unburned gas. Excessive richness cause by a fault in the injection system. high fuel pressure, bad...
• Confessions of a Emissions Passer
  Historical mailing list - Steve Blackham
  Tue, 22 May 2001 23:42:13 -0600
  ...2500 RPM (actually 2629) HC CO% Standard 220 1.2% Readings 87 0.87% Passed Passed Idle (923 RPM) Standard 220 1.2% Readings...
• Re: Carbs R.I.P.
  Historical mailing list - Ari Ollikainen
  Mon, 29 Jul 2002 13:33:22 -0700
  ...The CA average test result for the same vehicle year are HC= 0.30 and CO= 0.10 ----------------------------------------------------------------------- "Global Crossing and 360networks will battle...
• Re: Anyone Using Netscape 4.7?
  Historical mailing list - Jim
  Fri, 20 Jun 2003 23:16:20 -0700
  ...Jim HC Carter wrote: >Hey- Just checked with Netscape V4.79 on an iMac and got the same results - >NO part choices on the...
• Re: Failed emissions
  Historical mailing list - Dennis Haynes
  Tue, 12 Sep 2006 00:16:34 -0400
  ...Failed emissions In my personal experience, old oil can contribute to High Hydrocarbon (HC) readings. Do an oil and filter change whiler yer at...
• The Dreaded Emissions test
  Historical mailing list - Ken Wyatt
  Fri, 10 Jun 2011 12:42:33 -0600
  ...But NOT!! I'm failing on the idle HC and CO. Last Friday for the first try, the mechanic tested the engine cold and...
• Re: vanagon failed CA Smog - CA Help
  Historical mailing list - Paul A Rogers
  Sun, 17 Aug 2003 07:51:11 -0700
  ...I don't understand why? > > Here's what I got for 84 Vanagon that is in great shape: > > 901 RPM HC max is 150...
• Emissions (reprise)
  Historical mailing list - Kim Brennan
  Thu, 21 Sep 2006 14:26:12 -0400
  ...Old Emissions Limit Idle 2500 RPM HC 125 53 241 CO% 1.00 0.18 0.53 New Emissions HC 125 14 44 CO...
• Re: Failed Emissions - High HC at Idle
  Historical mailing list - OlRivrRat
  Fri, 9 Aug 2013 09:06:34 -0600
  ...Failed Emissions - High HC at Idle >> >> Just failed UT emissions with high HC at idle. Strange thing is >> this is the exact set up...
• Re: Bummer, man--Gross Polluter
  Historical mailing list - Geza Polony
  Wed, 23 May 2007 16:57:52 -0400
  ...The High HC may be what killed the >Cat. Look for a lean miss fire and/or over advanced ignition timing. > >The NOx is...
• Re: emission failure, HC 229 @ idle (ok @ 2500 rpm)
  Historical mailing list - ROBERT DONALDS
  Thu, 26 Aug 2004 20:56:22 -0400
  ...emission failure, HC 229 @ idle (ok @ 2500 rpm) > You don't mention what the acceptable limit is in your state. In New > York it...
• Re: Front bench seat?
  Historical mailing list - Calle Fallberg
  Sat, 14 Aug 2004 17:56:27 +0200
  ...Calle ----- Original Message ----- From: "Rob" <becidawa@HCTC.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Saturday, August 14, 2004 11:08 AM Subject: Front bench...
• Re: Super high HC on smog test - help
  Historical mailing list - Dennis Haynes
  Thu, 28 Jun 2007 23:41:57 -0400
  ...Is it this bad only at idle? Over advanced ignition timing can cause a high idle with insufficient air flow which will effect HC...
• Re: The Dreaded Emissions test
  Historical mailing list - Dennis Haynes
  Sat, 11 Jun 2011 07:57:16 -0400
  ...Without or before the cat O2 should be below 1.2% and HC. Well below 200. Dennis Sent from my Windows Phone -----Original Message...
• Re: deep cleaning westy water tank
  Historical mailing list - Alistair Bell
  Tue, 3 Aug 2010 17:24:18 -0700
  I used the hardware store muriatic acid (hate the old names :)), which is about 37% HCl, or about a 11.1 Molar solution. Just...
• Passed Emissions
  Historical mailing list
  Sat, 22 Jul 1995 10:04:56 -0400
  ...Final readings HC 31.9 ppm CO% 0 .11 Allowable (CT) HC 150.0 ppm CO% 1.00 Mike
• O2 senor operation!
  Historical mailing list - Dennis Haynes
  Wed, 16 May 2012 16:53:23 -0400
  ...The reduction of CO and HC requires an "oxidizing" approach to both burn off the HC and add that "O" atom to make CO...
• Re: Emissions (CO) still out...
  Historical mailing list
  Wed, 18 Oct 1995 00:43:27 -0400
  ...Yes High HC can mean a misfire which may be caused by a lean,,,,not rich mixture....You can get high HC with a...
• HCIDFATE
  Historical mailing list - Sterling Brooks
  Thu, 7 Mar 2002 12:24:17 EST
  OK.. I give. How can I disconnect from all this e-mail? Thanks Sterling
• Re: Workshop Manuals - Price Reduced
  Historical mailing list - Hans Brouwer
  Fri, 27 Jun 2003 23:11:07 -0400
  ...Vanagon List, IWCCC & Capital City VW Club ----- Original Message ----- From: "HC Carter" <hccarter@ATTBI.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Friday, June 27...
• Re: 84 CA Vanagon Smog questions
  Historical mailing list - Dennis Haynes
  Sun, 12 Apr 1998 12:25:17 -0400
  ...84 CA Vanagon Smog questions >I just took my 84 CA model in and it failed smog: > >2372rpm measured allowable >35 180 hc ppm...
• Re: Failed emissions ( now Mobil 1)
  Historical mailing list - Larry Alofs
  Tue, 12 Sep 2006 08:06:33 -0500
  ...Failed emissions > >In my personal experience, old oil can contribute to High Hydrocarbon (HC) >readings. Do an oil and filter change whiler yer at...
• Re: Confessions of a Emissions Passer
  Historical mailing list - Bill Knight
  Wed, 23 May 2001 10:15:58 -0400
  ...2500 RPM (actually 2629) HC CO% Standard 220 1.2% Readings 87 0.87% Passed Passed Idle (923 RPM) Standard 220 1.2% Readings...
• Re: deep cleaning westy water tank
  Historical mailing list - Dave Mcneely
  Tue, 3 Aug 2010 19:26:42 -0500
  ...It will burn you, but is not as nasty as HCl. Wear eye protection even if you use this weaker acid, but it is...
• Passed Emissions-Failed Safety Inspection
  Historical mailing list - Jeff Stewart
  Fri, 16 May 2003 13:10:56 -0400
  ...15 MPH HC ppm: Limit 155 / Reading 155 CO% : Limit 1.31 / Reading 0.75 NO ppm: Limit 2167 / Reading 1408 25 MPH HC...
• Re: vanagon Digest - 11 Sep 2006 to 12 Sep 2006 - Special issue (#2006-765)
  Historical mailing list - gary hradek
  Tue, 12 Sep 2006 08:07:14 -0700
  ...failed emissions. >> >> >> IDLE 2500 >>HC 53 241 (limit 125) >>CO% 0.18 0.53 (limit 1.0) >> >>So, HC is too high at speed...
• Failed CA Smog
  Historical mailing list - wognacious
  Sat, 31 Mar 2007 08:07:18 -0700
  ...Passed the 15 mph failed the 25 mph HC and CO HC max is 103 I measured 190 CO max is 1.10 I...
• Re: Emissions failures make me feel like a failure
  Historical mailing list - Dennis Haynes
  Wed, 5 Dec 2007 20:25:25 -0500
  ...Based on the CO NOx your Catalyst is working, but it just doesn't have enough capacity to finish off the HC. Almost all...
• Re: Emission Testing.....PASS!
  Historical mailing list
  Fri, 14 Jun 1996 19:53:22 PST
  ...Pass ^ > | > | > So how did this qualify a pass??? ------------>----------->-+ > >Steven >Sacramento, CA >sjohnson@pcocd2.intel.com > Let's see.....Max HC (ppm) 0220 mine was...
• Re: Emissions (reprise)
  Historical mailing list - John Rodgers
  Thu, 21 Sep 2006 14:42:25 -0500
  ...Emissions > Limit Idle 2500 RPM > HC 125 53 241 > CO% 1.00 0.18 0.53 > > New Emissions > > HC 125 14 44 > CO% 1...
• Re: Cleaning up your Vanagon
  Historical mailing list - neil N
  Wed, 30 Sep 2009 11:03:34 -0700
  ...old air cooled: HC: 48/182 allowable CO: .44/1.73 NOx: 2055/2139 Driving Test Results of VanaJetta: HC: 28/182 CO: .15...
• Re: deep cleaning westy water tank
  Historical mailing list - Larry Alofs
  Tue, 3 Aug 2010 18:48:44 -0500
  For those who do not have access to a lab stockroom, we might mention that HCl is also available at hardware stores, etc, as...
• Re: AC convert
  Historical mailing list - Dennis Haynes
  Sun, 16 Apr 2006 10:27:33 -0400
  ...We've been over this before... > > In order to be legal, you must first convert from CFC-12 to HC-134, > including fittings. THEN...
• 84 Westy = Help Passing Smog
  Historical mailing list - karen davis
  Mon, 25 Aug 2003 20:52:02 +0000
  ...I failed the high rpms for HC. Limit 180 and I got 344. I got oil change, put carbon cleaner in tank, filled with...
• Bad Cat = No Smog?
  Historical mailing list - van man
  Fri, 23 Aug 2002 08:23:27 -0700
  ...IDLE 0.17% CO 135PPM HC 2500 0.35 90PPM Before CAT at IDLE 3.65% CO 290PPM HC. I have already order the...
• Re: Tire Blocking Safety Question (not the usual one :)
  Historical mailing list - neil N
  Mon, 26 Jan 2009 17:47:40 -0800
  ...might have to paint my Mercedes steelies like that! > > What are "HCs" ? HC = Hub caps. I like trying to make up new internet acronyms...
• Re: Failed emissions testing
  Historical mailing list - Dennis Haynes
  Fri, 31 Dec 2010 00:04:19 -0500
  ...This alone will also bring down the HC. If the CO was within normal limits then excessive HC could be the result of an...
• Re: My European 112hp boxer motor passed Air Care!
  Historical mailing list - David Marshall
  Mon, 26 May 2003 23:30:19 -0700
  ...The 342 HC reading is a sign the Cat is also gone or not working. Here in NY you are a gross polluter. Here...
• SMOG TEST failure
  Historical mailing list - John Goubeaux
  Fri, 8 Feb 2008 12:07:39 -0800
  Thanks to all who provided suggestions on how to pass the "Dreaded California Emissions Test" I was puzzled at how my HC values could...
• Re: Emissions again.
  Historical mailing list - Brian Isherwood
  Mon, 18 Dec 1995 09:21:12 +0000
  ...300 HC@idle (ppm) : Actual: 367 Permitted: 350 FAIL CO@load (%) Actual 0.91 Permitted 2.00 CO@idle (%) Actual 0.42 Permitted 4...
• Tips needed on reducing HC to pass smog inspection.(Digifant)
  Historical mailing list - kenneth d lewis
  Sat, 22 Aug 1998 11:35:39 EDT
  Greetings and salutations; Failed HC tests today (266 measured ;240 allowed).. Presently in between internet providers so I can not search archives. Any help...
• Re: emission failure, HC 229 @ idle (ok @ 2500 rpm)
  Historical mailing list - Dennis Haynes
  Thu, 26 Aug 2004 19:03:54 -0400
  ...The extra air will reduce the HC significantly. As the vans get older, the poorly designed intake manifold and injector differences will cause some...
• Eurospec Emissions Appendix
  Historical mailing list - Blaine Bachman
  Wed, 2 Jun 1999 19:32:32 EDT
  ...finally was able to pass the car with the following readings: HC: Idle=217ppm; At speed=85ppm CO: Idle=.06%; At speed=.53% I...
• Re: Failed CA Smog
  Historical mailing list - Dennis
  Sat, 31 Mar 2007 16:09:11 -0400
  ...Passed the 15 mph failed the 25 mph HC and CO HC max is 103 I measured 190 CO max is 1.10 I...
• Bread loaf, Denali, c.1963
  Historical mailing list - Neil2
  Thu, 22 May 2008 13:27:47 -0700
  Hi volks, Found this today: http://www.alpinist.com/p/hc40 -- Neil '82 Diesel Westy Peace of
• Re: Failed Emissions Test NVC
  Historical mailing list - Dennis Haynes
  Thu, 9 Mar 2006 23:23:47 -0500
  With HC emissions that high, something is wrong. Look for an ignition miss or burned valve. Engine flush is not an answer. The regular...
• Re: Desperately Need Smog Help...Read all past posts....
  Historical mailing list - Dennis Haynes
  Tue, 15 Aug 2006 17:39:37 +0000
  Over advancing the ignition timing is the worst thing to do for excessive HC at idle. This causes insuffecient airflow so HC and CO...
• Re: SMOG TEST failure
  Historical mailing list - Dennis Haynes
  Sat, 9 Feb 2008 02:46:46 -0500
  ...The new cat with a properly running engine should have given near readings for both CO and HC. The fact you still had these...
• Emissions...'69 Westy
  Historical mailing list
  Wed, 19 Jun 1996 23:03:14 -0700
  ...Max Allowed Measured HC PPM 0650 0174 CO % 5.50 3.71 C02 --- 9.3 02 --- 5.1 IDLE RPM 0814 2500 RPM Max...
• Re: Running Without O2 Sensor Question
  Historical mailing list - John Bange
  Sun, 23 Apr 2006 08:54:23 -0700
  ...This will > prevent the cat converter from reducing all three, (HC, Co, NOx), > pollutants it is designed for. There is also a fear of...
• Passed smog!
  Historical mailing list - Robert Fisher
  Thu, 11 Jun 2009 13:12:14 -0700
  ...CO2, 11.4; O2, 4.4; HC, 84; CO, .16 2500 rpm: CO2, 14.5; O2, .2; HC, 18; CO, .23 Vanagons apparently don...
• Front bench seat?
  Historical mailing list - Rob
  Sat, 14 Aug 2004 02:08:47 -0700
  I was wondering if anyone had turned their bucket seats into a bench seat in a Vanagon? Rob becidawa@hctc.com
• Re: Failed emissions testing
  Historical mailing list - Todd.Last
  Sun, 9 Jan 2011 12:02:04 -0800
  ...This alone will also bring down the HC. If the CO was within normal > limits then excessive HC could be the result of an...
• vintage pinstripe source? Re: VW PHOTO CALENDAR VOTING - RESUMES NOW
  Historical mailing list - Chris Renz
  Sat, 4 Dec 2004 12:09:25 -0800
  ...vintage pinstriping? I love this style!!!! ----- Original Message ----- From: "Rob" <becidawa@HCTC.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Saturday, December 04, 2004 10...
• Re: Fail air are
  Historical mailing list - Dennis Haynes
  Sun, 2 Mar 2014 23:35:19 -0500
  ...This will cause excessive HC as there is not enough air flow and swirl for the fuel to properly burned. Sounds counter-intuitive as...
• Re: Desperately Need Smog Help...Read all past posts....
  Historical mailing list - Stephen DeMocko
  Tue, 15 Aug 2006 11:23:02 -0700
  ...Over advancing the ignition timing is the worst thing to do for excessive HC at idle. This causes insuffecient airflow so HC and CO...
• Re: Engine Cover Woes (74)
  Historical mailing list
  Fri, 19 Apr 1996 19:05:12 -0400
  ...PPM HC reading is still rediculously high. You need to find out what is wrong. I suspect loose heads, leaking valve, vaccum leak or...
• Emissions
  Historical mailing list - Gerald Skerbitz
  Tue, 26 Dec 1995 12:00:49 -0600 (CST)
  ...Things I did -- retarded the timing Backed out the CO screw. (More CO less HC) Tightened down a loose exhaust pipe bolt (Off the...
• Emissions Help in VA
  Historical mailing list - Matthew Utterback
  Wed, 6 Dec 2000 17:23:33 -0500
  ...MPH: HC ppm limit is 183, I was 271 CO% limit is 1.65, I was 9.75 At 25 MPH: HC ppm limit...
• Re: EGR on 1978 2.0L engine questions
  Historical mailing list
  Thu, 16 May 96 13:17:21 PDT
  ...State of Calif (at idle) units=ppm HC 250 CO% 3.50 --------- 23Apr1996 Result: FAIL HC 243 CO% 0.50 CO2 9.1 O2...