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p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
Need Help! Phantom P0420
joker2498
on Jul 25, 2010
Jul 25, 2010
06:44 PM
by
joker2498
0
1,806
Mechanical Problems & Technical Chat
Cooling Problems, now cel is on w/code P0420
dtrscivic
on Jul 19, 2010
Jul 19, 2010
08:09 AM
by
dtrscivic
0
1,596
Mechanical Problems & Technical Chat
car throwing new code
faifu27
on May 31, 2010
May 31, 2010
07:28 PM
by
94civichatchback
1
913
Mechanical Problems & Technical Chat
PO420 trouble code help
shahanaz
on May 23, 2010
May 23, 2010
08:46 PM
by
RonJ
1
1,783
Mechanical Problems & Technical Chat
p0420
az321
on May 5, 2010
May 6, 2010
06:31 AM
by
RonJ
4
3,436
Mechanical Problems & Technical Chat
01 civic bogging/stalling
(
1
2
)
unlisted
on Sep 25, 2008
Dec 9, 2009
02:18 AM
by
unlisted
15
6,706
Mechanical Problems & Technical Chat
p0420
pennyloafer
on Dec 8, 2009
Dec 8, 2009
11:39 AM
by
pennyloafer
0
901
Mechanical Problems & Technical Chat
98 civic obd code po420
dctaz37
on Nov 8, 2009
Nov 10, 2009
05:35 AM
by
dctaz37
5
3,991
Mechanical Problems & Technical Chat
1997 HX head gasket (possibly)
(
1
2
)
longdrive352
on Jul 22, 2009
Jul 29, 2009
09:05 AM
by
94civichatchback
12
5,876
Mechanical Problems & Technical Chat
Help: P0420
michael.allen
on Apr 8, 2009
Apr 16, 2009
05:50 PM
by
michael.allen
9
1,169
Mechanical Problems & Technical Chat
Cat Conv error code Help
dkyer420
on Oct 23, 2008
Apr 12, 2009
12:56 PM
by
bradf_nc
6
1,456
Mechanical Problems & Technical Chat
P0420 - Catalyst System Efficiency Below Threshold (Bank 1) help
DannyLB
on Mar 17, 2009
Mar 17, 2009
03:59 PM
by
lowlife9
3
14,286
Header, Intake, & Exhaust
P0420 help
slkric
on Jan 15, 2009
Jan 16, 2009
12:33 PM
by
slkric
4
2,509
Mechanical Problems & Technical Chat
CAT Replacement/intake manifold
(
1
2
3
)
maverick0923
on Oct 27, 2008
Oct 28, 2008
12:19 PM
by
brutekiller787
20
6,065
Header, Intake, & Exhaust
Please watch this video!!
(
1
2
3
)
davidt222
on Sep 23, 2008
Oct 4, 2008
06:44 AM
by
RonJ
29
5,205
General Civic Talk
Help! P0420 code
ducci
on Sep 15, 2008
Sep 15, 2008
04:00 PM
by
RonJ
3
1,342
Header, Intake, & Exhaust
P0420 is driving me nuts
MoMoney
on Aug 24, 2008
Aug 24, 2008
08:46 PM
by
MoMoney
0
991
Mechanical Problems & Technical Chat
Dreaded P0420
protegechris
on Aug 20, 2008
Aug 22, 2008
09:14 AM
by
protegechris
4
885
Mechanical Problems & Technical Chat
HELP....question about emission????
(
1
2
)
Civic Si 00
on Jan 17, 2008
Jan 21, 2008
01:54 PM
by
Civic Si 00
19
2,216
Mechanical Problems & Technical Chat
CEL P0420 after installing a Cat Converter
(
1
2
)
dazzy999
on Jan 14, 2008
Jan 16, 2008
07:52 AM
by
dazzy999
11
4,959
Mechanical Problems & Technical Chat
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