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Honda-Tech - Honda Forum Discussion
Tags
Threads Tagged with
po420
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Threads Tagged with
po420
Thread / Thread Starter
Last Post
Replies
Views
Forum
P0420 again!
TLP_IS350
on Jul 2, 2009
Jul 18, 2010
12:28 PM
by
jayare05
24
22,296
Acura Integra
hesitation under throttle, PO420 code
janek
on Jun 22, 2010
Jun 22, 2010
10:06 AM
by
Duane_in_Japan
1
1,686
Honda Accord (1990 - 2002)
PO420 code and misfire
janek
on Jun 21, 2010
Jun 21, 2010
01:23 PM
by
sgraham01
2
4,090
Honda Accord (1990 - 2002)
P0420 after replacing O2 sensor
novotm
on Jun 18, 2010
Jun 20, 2010
09:21 AM
by
brandon400hp
1
4,851
Honda Civic (2001 - 2005)
'01 Accord error codes P0420 & P0141
Lozano253
on Jun 4, 2010
Jun 5, 2010
07:46 PM
by
Senior Taco
2
6,032
Honda Accord (1990 - 2002)
HELP! 06 Si - got 2 cel's :(
1PT-SICK
on May 23, 2010
May 31, 2010
07:12 AM
by
2008fijibluesi
11
1,602
Honda Civic (2006 - 2015)
p0420
BT216
on May 26, 2010
May 27, 2010
09:48 AM
by
Atomic1
7
1,629
Honda Civic / Del Sol (1992 - 2000)
'99 Civic LX P0420 Code
ChuggingAlong
on Apr 12, 2010
Apr 12, 2010
07:20 AM
by
ChuggingAlong
0
2,779
Honda Civic / Del Sol (1992 - 2000)
P0420 code question
Atomic1
on Apr 28, 2009
Apr 4, 2010
04:06 PM
by
Scott_Tucker
17
5,128
Tech / Misc
Dealer Claims P0420 code was a fuel problem.
cdogmck
on Jan 8, 2010
Jan 8, 2010
09:22 AM
by
cdogmck
0
1,506
Honda Fit
2000 civic ex limp mode
skaternak
on Nov 27, 2009
Nov 27, 2009
02:33 PM
by
FearTheH
1
4,138
Honda Civic / Del Sol (1992 - 2000)
got the code "P0420" someone help !
Sick CiviC EX
on Oct 21, 2009
Oct 21, 2009
05:19 PM
by
2kcoupedude
2
2,596
Honda Civic (2001 - 2005)
F/S 2000 Acura Integra GS-R
SpoonREVS
on Oct 10, 2009
Oct 13, 2009
02:43 PM
by
SpoonREVS
3
546
Northeast (Sales)
po420 code questions for 98 accord-ex
pixshooter
on Sep 15, 2009
Sep 16, 2009
11:48 AM
by
hondamark35
3
4,089
Honda Accord (1990 - 2002)
P0420 Code in 2000 Ex Coupe Honda Techs Help
civy123
on Sep 5, 2009
Sep 6, 2009
08:41 PM
by
civy123
4
1,197
Tech / Misc
code 67 ( p0420 )
Chiggah
on Aug 21, 2009
Aug 22, 2009
10:11 AM
by
Chiggah
2
981
Tech / Misc
help!!! CEL 67 or P0420
kokowawa34
on Aug 15, 2009
Aug 16, 2009
09:10 PM
by
kokowawa34
4
937
Acura Integra
FS: 2000 Honda Insight Hybrid 66 + M.P.G CHEAP!!!
2literCR-X
on Jul 28, 2009
Jul 30, 2009
06:32 PM
by
2literCR-X
3
1,219
Vehicles for sale
P0420 - Catalyst system efficiency below threshold
Rexfx
on Jun 23, 2009
Jun 23, 2009
05:22 PM
by
Rexfx
2
2,666
Honda Accord (1990 - 2002)
Dreaded P0420 code, replaced cat
Going-west
on Jun 21, 2009
Jun 21, 2009
07:57 PM
by
Going-west
5
1,725
Honda Civic / Del Sol (1992 - 2000)
CEL P0420?
Pauly321
on Jun 10, 2009
Jun 11, 2009
09:19 PM
by
alkoholikwun
2
1,001
Honda Accord (1990 - 2002)
At wits end: P0420... help!
ffspiel
on May 6, 2009
May 6, 2009
11:40 AM
by
ffspiel
9
6,503
Honda Civic / Del Sol (1992 - 2000)
ECU : PO420 = Catalyst Efficiency Below Threshhold. From bank #1
FIREBIRD71
on Apr 10, 2009
Apr 12, 2009
05:53 AM
by
t0eKnEe
2
1,273
Honda Accord (1990 - 2002)
P0420 2005 Honda Accord LX
Lola1219
on Feb 12, 2009
Feb 17, 2009
09:49 AM
by
MSchu
7
16,025
Honda Accord & Crosstour (2003 - 2012)
98 accord p0420 catalyst effic. low-bank 1
jsnmullis
on Dec 8, 2008
Dec 11, 2008
09:26 AM
by
DCFIVER
11
8,145
Honda Accord (1990 - 2002)
help on code po420
Bozo_JDM
on Nov 13, 2008
Nov 20, 2008
08:21 PM
by
DCFIVER
6
1,810
Acura RSX DC5 & Honda Civic EP3
TAPPING REALLY LOUD
jbrokos307
on Nov 7, 2008
Nov 9, 2008
11:39 AM
by
jbrokos307
21
1,319
Honda Civic / Del Sol (1992 - 2000)
oxygen sensor in the catylitic converter
(
1
2
)
kbw2000civicex
on Nov 5, 2008
Nov 6, 2008
07:27 AM
by
wrenchez81
27
15,362
Honda Civic / Del Sol (1992 - 2000)
Dealing with P0420 code, civic catalytic converter
Atomic1
on Nov 4, 2008
Nov 4, 2008
07:39 PM
by
Atomic1
2
1,432
Tech / Misc
Computer code P0420, catalyst system efficiency below threshold
janek
on Oct 11, 2008
Nov 3, 2008
02:25 AM
by
janek
14
8,156
Honda Prelude
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