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Page 1+: 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: Bad Cat???
Historical mailing list - The Blackhams
Tue, 22 Aug 2000 19:57:19 -0600
...unit causing the HC to go high on = idle. We have a 500+ PPM on HC at idle all the gases look great. We...
Re: CA SMOG, Fred's Garage, and valves
Historical mailing list - Bill Collins
Tue, 16 Sep 2003 07:24:22 -0400
...How is the CO level? High CO (with or without high HC) = idle too rich Normal CO and high HC = engine mis-firing (ignition...
Re: cat bad????
Historical mailing list - walter bahm
Tue, 22 Aug 2000 17:28:41 -0700
The catalytic converter is designed to reduce the hydrocarbon (HC) emissions that resulted from incomplete combustion. the converter might not be working because its...
cat bad????
Historical mailing list - Rick Berman
Tue, 22 Aug 2000 17:02:10 -0600
...unit causing the HC to go high on idle. We have a 500+ PPM on HC at idle all the gases look great. We...
Re: CA Smog Failed - 1985 1.9L
Historical mailing list - Chris S
Sat, 28 Jun 2008 11:14:47 -0400
...CO%=1.45 HC PPM=179 NO PPM=1788 at 25/25 test 2000 rpm CO% 1.38 HC PPM=174 NO PPM=1946...
Failed Emissions - High HC at Idle
Historical mailing list - Gmail
Wed, 7 Aug 2013 10:17:00 -0600
Just failed UT emissions with high HC at idle. Strange thing is this is the exact set up I had before installing a different...
Re: HELP HC to High at idle 525ppm should be about 70ppm
Historical mailing list - Walt Spak
Wed, 16 Aug 2000 10:56:33 -0400
Rick, I was able to lower the HC by turning the screw on the throttle body out (counter clockwise). This is the screw that...
Re: AC convert
Historical mailing list - Kim Brennan
Sun, 16 Apr 2006 02:11:56 -0400
...In order to fall into that legal gray area, you must convert to HC-134 first. Find out how sucky HC-134 is. Then...
Re: Failed Emissions - High HC at Idle
Historical mailing list - Dennis Haynes
Wed, 7 Aug 2013 23:13:16 -0400
...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: 1991 Vanagon 2.1L auto: failed DE emission test: CO (high)
Historical mailing list - OlRivrRat
Wed, 31 May 2023 22:56:34 -0600
...Additional HC will only be created at the point where rich misfire begins (3% to 4% CO) • High HC, low CO, and high O2...
Re: HELP HC to High at idle 525ppm should be about 70ppm
Historical mailing list - Dennis Haynes
Thu, 17 Aug 2000 00:25:38 -0700
...HELP HC to High at idle 525ppm should be about 70ppm We cannot get the HC down at idle it is now is about...
Re: Bad Cat = No Smog?
Historical mailing list - wb6otg
Fri, 23 Aug 2002 14:08:41 -0400
>IDLE 0.17% CO 135PPM HC Where do you live? These numbers would easily pass any smog test I have ever seen. (although my...
Emission update 84 Westy
Historical mailing list - Brian Isherwood
Fri, 22 Dec 1995 09:17:21 +0000
...BEFORE REPAIRS HC@load (ppm) : Actual: 115 Permitted: 300 HC@idle (ppm) : Actual: 367 Permitted: 350 FAIL CO@load (%) Actual 0.91 Permitted 2...
Re: 133 pictures from HCBF 2005
Historical mailing list - Robert Fisher
Tue, 9 Aug 2005 21:35:04 -0700
...133 pictures from HCBF 2005 > At 8/9/2005 06:13 PM, Chris S. wrote: >>Here's the link to 133 of the pictures...
vanagon failed CA Smog - CA Help
Historical mailing list - karen davis
Sat, 16 Aug 2003 23:38:24 +0000
...901 RPM HC max is 150, I got 61; co max is 1.20, I got .13 PASS 2554 RPM HC max is 180...
Re: 133 pictures from HCBF 2005
Historical mailing list - Rob
Tue, 9 Aug 2005 18:46:32 -0700
...wrote: >Here's the link to 133 of the pictures I took at HCBF. The first >one is of me and my lady, so...
Re: HCIDFATE
Historical mailing list - MDC Vanagon
Thu, 7 Mar 2002 11:20:01 -0800
...07, 2002 9:24 AM To: vanagon@GERRY.VANAGON.COM Subject: HCIDFATE OK.. I give. How can I disconnect from all this e-mail...
HELP HC to High at idle 525ppm should be about 70ppm
Historical mailing list - Rick Berman
Tue, 15 Aug 2000 21:42:46 -0600
We cannot get the HC down at idle it is now is about 500+. We have tried all the usually stuff. We have a...
ABQ emission test
Historical mailing list - William
Tue, 2 Jun 2015 12:14:56 -0600
...high rpm low rpm 2015 hc 93 165 co .66 0.3 co2 13.8 14.1 02 0.01 0.0 2013 hc...
AirScare testing..
Historical mailing list - Harry Yates
Sat, 18 Nov 1995 16:41:55 +0000
...HC Max | HC Vehicle | CO Max | CO Vehicle allowable | reading | allowable | reading (ppm) | (ppm) | (%) | (%) ----------------------------------------------------------------- Nov/95 126000 240.00 3.00 2.00 0...
Help! failed ca smog check
Historical mailing list - BajaLeo
Wed, 6 Jul 2005 21:01:52 -0700
...Thanks, Leo ASM EMISSION TEST RESULTS CO2% O2% HC (PPM) HC (PPM) HC (PPM) CO% CO% CO% NO (PPM) NO (PPM NO (PPM) Test...
Re: vanagon failed CA Smog - CA Help
Historical mailing list - Mike Miller
Sat, 16 Aug 2003 19:45:24 -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...
Re: Emissions again.
Historical mailing list - Jack Reed
Mon, 18 Dec 1995 10:57:29 -0600 (MDT)
...300 > HC@idle (ppm) : Actual: 367 Permitted: 350 FAIL > > CO@load (%) Actual 0.91 Permitted 2.00 > CO@idle (%) Actual 0.42 Permitted 4...
Re: 85 1.9 failed smog
Historical mailing list - Kim Brennan
Tue, 8 Jun 2004 22:48:40 -0400
...Under normal circumstances, the catalytic convertor will help reduce HC assuming you have enough Oxygen in the emissions for the cat to burn the...
133 pictures from HCBF 2005
Historical mailing list - Chris S.
Tue, 9 Aug 2005 18:13:13 -0700
Here's the link to 133 of the pictures I took at HCBF. The first one is of me and my lady, so next...
Effectiveness of cat converter
Historical mailing list - Gary McEachern
Wed, 17 Jan 2001 23:55:25 -0500
Hello VW folks Anyone know the effect the VW (Busdepot?) cat has on emissions? Does it reduce HC and NOx or just Hc? Does...
Re: vanagon failed CA Smog - CA Help
Historical mailing list - Dennis Haynes
Sat, 16 Aug 2003 21:12:48 -0400
It is strange that you will pas HC during idle and then have it go up at speed. This indicates a miss fire condition...
Pre-smog and smog
Historical mailing list - Greenamyer, William L
Tue, 9 Mar 2004 07:19:39 -0800
These were my pre-smog readings (back in Aug 2003) 2582rpm max average my van HC 180 0035 111 CO% 1.20 00.20...
060412 smog tests
Historical mailing list - Greenamyer, William L
Wed, 12 Apr 2006 05:25:02 -0700
...Idle = 930 CO2%=8.60 [NOT NORMAL] O2%=8.00 [NOT NORMAL] HC=302 (max 150, ave=300) [GROSS POLLUTER] CO=.1.86 (max...
Effectiveness of cat converter
Historical mailing list - Gary McEachern
Wed, 17 Jan 2001 23:56:42 -0500
Hello VW folks Anyone know the effect the VW (Busdepot?) cat has on emissions levels? Does it reduce HC and NOx or just Hc...
Pre-smog
Historical mailing list - Greenamyer, William L
Tue, 27 Jan 2004 06:19:43 -0800
...2582rpm max average my van HC 180 0035 111 CO% 1.20 00.20 3.94 C02 12.3 O2 0.4 988rpm max...
Re: AC concerns
Historical mailing list - Martin Green
Thu, 17 Jun 2004 08:58:43 -0400
...From the EPA website about HC refrigerants (http://www.epa.gov/ozone/snap/refrigerants/hc-12a.html#q9) The following 18 states ban the...
TIICO EMISSIONS
Historical mailing list - Dan Winget
Wed, 24 Oct 2001 13:56:43 -0400
...My HC's are at 400% and the CO is at 1 %. I am measuring at the tail pipe with the o2 sensor disconnected...
Re: Failed emissions
Historical mailing list - Old Volks Home
Mon, 11 Sep 2006 20:54:44 -0700
In my personal experience, old oil can contribute to High Hydrocarbon (HC) readings. Do an oil and filter change whiler yer at it. -- Jim...
Re: Failed emissions
Historical mailing list - Dennis Haynes
Mon, 11 Sep 2006 19:43:33 -0400
...No reduction of either CO or HC. The HC being a bit high should be expected for a 200K mile + engine. A combination of...
Re: CA smog - HC's issue use HEET
Historical mailing list - William Greenamyer
Mon, 21 Sep 2009 08:06:55 -0400
...That is what caused high HC on my van when it failed in California. The trick is finding the leaks, usually from cracks in...
Re: Bummer, man--Gross Polluter
Historical mailing list - Jim Akiba
Wed, 23 May 2007 11:41:00 -0400
...15 mph HC 148 CO .79 NO 2156 25 mph HC 96 CO .66 NO 1828 The tester was trying to tell me it...
Re: ABQ emission test
Historical mailing list - Dan N
Tue, 2 Jun 2015 11:21:40 -0700
...rpm > > 2015 > hc 93 165 > co .66 0.3 > co2 13.8 14.1 > 02 0.01 0.0 > > 2013 > hc 43 31 > co...
smog check figures
Historical mailing list - Greenamyer, William L
Tue, 23 Oct 2001 05:48:53 -0700
...2386 RPM HC = 11 C0 = 0.00 CO2 = 14.4 O2 = 0.6 IDLE, 969 RPM HC = 17 CO = 0.00 CO2 = 9.4...
Re: My European 112hp boxer motor passed Air Care!
Historical mailing list - Dennis Haynes
Mon, 26 May 2003 23:39:20 -0400
...The 342 HC reading is a sign the Cat is also gone or not working. Here in NY you are a gross polluter. Here...
84 CA Vanagon Smog questions
Historical mailing list - Ely Kumli
Sat, 11 Apr 1998 19:40:47 -0700
...2372rpm measured allowable 35 180 hc ppm pass 1.21 1.20 CO% fail 2.3 02 12.9 CO2 idle 923 rpm meas...
Re: Failed Emissions - High HC at Idle
Historical mailing list - OlRivrRat
Fri, 9 Aug 2013 01:09:55 -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...
Exh Emis Gas Analysis ?
Historical mailing list - Christopher M. Smith
Tue, 10 Dec 1996 11:22:26 -0800 (PST)
...Priot to the air sensor adjustment, the HC were about 1000 pre-cat converter and 200 post-cc. After adjustment, the post-cc increased...
Re: TIICO EMISSIONS
Historical mailing list - Dennis Haynes
Wed, 24 Oct 2001 20:00:08 -0400
...The HC reading is indicating a misfire or valve problem. A vacuum leak or bad injector can also cause a cylinder unbalance/miss-fire...
Failed emissions
Historical mailing list - Kim Brennan
Mon, 11 Sep 2006 16:21:12 -0400
...IDLE 2500 HC 53 241 (limit 125) CO% 0.18 0.53 (limit 1.0) So, HC is too high at speed. Engine runs...
passed DE inspection :-)
Historical mailing list - Karl Ploessl
Sat, 22 Mar 2008 11:55:46 -0400
...low rpm (1019): HC: 125 (400 max allowed), CO 1.33, CO + CO2: 13.86 at high rpm (2658): HC 57 (400 max allowed...
2.1 Emissions Test - Passed but need analysis help....
Historical mailing list - allan harris
Tue, 16 Sep 2003 22:56:42 -0700
...HC's - 241 to 258 ppm (392 max) ~unchanged CO -.27 to .03 % (4.45 max) ~down 88% HC's are high and NOx...
Re: AC convert
Historical mailing list - Dennis Haynes
Sun, 16 Apr 2006 10:23:42 -0400
...In order to fall into that legal gray area, you must convert to HC-134 first. Find out how sucky HC-134 is. Then...
Re: 84 CA Vanagon Smog questions
Historical mailing list - Old Volks Home
Sun, 12 Apr 1998 11:57:15 -0700
...To bring HC levels down, it's recommended that you have an oil change done before testing. Old oil brings the HC levels up...
Re: AC concerns
Historical mailing list - David Brodbeck
Thu, 17 Jun 2004 09:27:38 -0400
...From the EPA website about HC refrigerants > (http://www.epa.gov/ozone/snap/refrigerants/hc-12a.html#q9) > > The following 18 states ban the...
Bummer, man--Gross Polluter
Historical mailing list - Geza Polony
Tue, 22 May 2007 21:25:31 -0400
...15 mph HC 148 CO .79 NO 2156 25 mph HC 96 CO .66 NO 1828 The tester was trying to tell me it...
Re: Bummer, man--Gross Polluter
Historical mailing list - Dennis Haynes
Tue, 22 May 2007 23:17:40 -0400
...15 mph HC 148 CO .79 NO 2156 25 mph HC 96 CO .66 NO 1828 The tester was trying to tell me it...
Exhaust Emissions Help ?
Historical mailing list - Christopher M. Smith
Tue, 5 Nov 1996 18:20:30 -0800 (PST)
...Preliminary results indicate that at idle, the hydrocarbon (HC) emission levels are 4 times that allowable by CA law (250 ppm HC). At 2500...
Re: A/C charging and maintenance...
Historical mailing list - Robert Fisher
Fri, 28 May 2004 15:28:49 -0700
*snip* > instead of using R134, use HC-12a, or similar propane derivative freons. From the EPA website: 1.. What is the legal status of...
Re: Exhaust Emissions Help ?
Historical mailing list
Wed, 6 Nov 1996 06:31:39 PST
Chris; I bought my 86 in 1989.For the first three years, it always barely passed HC tests. I replaced the catalytic converter after...
Re: smog check figures
Historical mailing list - Aristotle Sagan
Tue, 23 Oct 2001 11:36:43 -0700
...I would >like some of the experts on the list to evaluate them. > >2386 RPM >HC = 11 >C0 = 0.00 >CO2 = 14.4 >O2...
Re: AC convert
Historical mailing list - Robert Fisher
Sat, 15 Apr 2006 23:39:06 -0700
...We've been over this before... > > In order to be legal, you must first convert from CFC-12 to HC-134, > including fittings. THEN...
Re: ABQ emission test
Historical mailing list - Dennis Haynes
Sun, 7 Jun 2015 19:23:24 -0400
...high rpm low rpm 2015 hc 93 165 co .66 0.3 co2 13.8 14.1 02 0.01 0.0 2013 hc...
My European 112hp boxer motor passed Air Care!
Historical mailing list - David Marshall
Mon, 26 May 2003 20:25:53 -0700
...CO 1.716% HC 342ppm Pass for a >1.8 to 2.6L motor from 1982 to 1987 was 4.35% CO and 380ppm...
Re: Emissions (CO) still out...
Historical mailing list
Tue, 17 Oct 1995 23:04:41 +0500
...By the same logic, high HC should beone of the two cases: a)VERY rich mixture, so some stuff gets thrown out unburned b...