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Honda-Tech - Honda Forum Discussion
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2005 Civic Si, Gross "Polluter"-- High HC at idle
mileshigh25
on Sep 18, 2011
Sep 24, 2011
06:40 AM
by
usdm-honda-r18
2
2,235
Acura RSX DC5 & Honda Civic EP3
Ref visit - high HC and high NOx
darkstormcr
on Jun 15, 2011
Jun 15, 2011
05:40 PM
by
darkstormcr
0
1,171
Honda Civic / Del Sol (1992 - 2000)
Time to change the CAT? 170k miles, high HCs... opinions?
Juans_MX3
on Mar 31, 2011
Apr 1, 2011
12:19 AM
by
ef_junky
1
811
Honda Civic / Del Sol (1992 - 2000)
HOW DO I LOWER MY HYDROCARBONS
rotascircuit
on Oct 20, 2009
Oct 21, 2009
11:47 AM
by
ek-g6
4
2,355
Acura Integra
Failed Smog in CA. NOx was too high along with HC's
SprocketRocket
on Aug 11, 2007
Aug 17, 2007
03:22 AM
by
garyhgaryh
15
4,236
Acura Integra
Can't Pass Smog at 15MPH --> HCs and NOx too high
shl76
on Jun 30, 2007
Jul 6, 2007
07:23 AM
by
shl76
15
5,833
Tech / Misc
Can't Pass Smog at 15MPH --> HCs and NOx too high
shl76
on Jun 30, 2007
Jul 3, 2007
01:49 PM
by
97Preludeguy
6
1,940
Honda Prelude
Emissions troubleshoot
SLPR
on Feb 2, 2007
Feb 5, 2007
03:19 PM
by
SLPR
9
594
Honda CRX / EF Civic (1988 - 1991)
Failed Smog: HC's too high at idle, ok at 2500 rpm. Fixes??
saber1
on Nov 9, 2005
Nov 10, 2005
10:42 AM
by
AnDThEnWuT
8
3,430
Acura Integra
Failed emissions...Need some advice to lower HCs...
*Boostwerks*
on Jun 15, 2005
Jun 19, 2005
10:49 AM
by
Lord Helmet
12
1,129
Tech / Misc
Barely failed WI emissions, damn HCs
EFz6er
on Nov 3, 2004
Nov 5, 2004
06:03 AM
by
EFz6er
9
906
Honda CRX / EF Civic (1988 - 1991)
failed smog pretest.... AND my car runs really RICH... duh!!
Tr0LL
on Aug 31, 2001
Sep 4, 2001
07:00 PM
by
Tr0LL
8
886
Acura Integra
high hc's. need help
blaze
on Jul 19, 2001
Jul 20, 2001
05:49 PM
by
non-VTEC
8
813
Acura Integra
high hc's need help
blaze
on Jul 19, 2001
Jul 20, 2001
10:51 AM
by
blaze
5
686
Honda Civic / Del Sol (1992 - 2000)
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