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Honda-Tech - Honda Forum Discussion
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Threads Tagged with
po420
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Threads Tagged with
po420
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Last Post
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98 civic with p0420 code
chinox2001
on 07-12-2007
12-22-2022
09:13 PM
by
Mannyvtec805
2
8,370
Honda Civic / Del Sol (1992 - 2000)
P0420 Code
jc007i
on 01-20-2012
04-11-2017
08:35 PM
by
cjay__19
17
43,926
Honda Accord & Crosstour (2003 - 2012)
P0420 Catalyst system efficiency below threshold (bank1) o2 or cat?
(
1
2
)
Integra_Boi
on 02-19-2005
04-15-2016
04:22 AM
by
RedTRex
48
472,182
Honda Accord (1990 - 2002)
Troubleshooting P0420 Code...
dlewis2583
on 01-03-2012
08-14-2013
01:16 AM
by
Discosteak
11
20,440
Honda Accord (1990 - 2002)
Code P0420 : Mechanic says:
seriot
on 12-06-2007
05-12-2013
02:45 PM
by
doctorake
21
78,510
Honda Civic / Del Sol (1992 - 2000)
Po420 in bb6 with a cat back exhaust
MTracing
on 04-08-2012
04-09-2012
05:32 AM
by
jkoni426
1
1,367
Honda Prelude
Can anything else make the Secondary 02 throw a code
YaBoiTHiZZ
on 01-22-2010
03-28-2012
08:10 PM
by
doood
12
3,412
Acura RSX DC5 & Honda Civic EP3
Cat replacement!! Help!!
Miqhtymouse32
on 03-21-2012
03-22-2012
12:32 AM
by
Miqhtymouse32
14
1,777
Honda Civic / Del Sol (1992 - 2000)
P0420 coming on after cat replacement
ccrelan
on 03-03-2012
03-03-2012
05:36 PM
by
ccrelan
11
7,250
Honda Civic / Del Sol (1992 - 2000)
Replacing Cat in Cali + CEL P0420
Dangydang
on 02-12-2012
02-17-2012
06:03 PM
by
b_ron
5
2,630
Acura RSX DC5 & Honda Civic EP3
02 Honda Civic P0420 code
jasrams
on 02-06-2012
02-08-2012
05:22 AM
by
Allboost18b
8
6,894
Honda Civic (2001 - 2005)
02 Honda Civic P0420 code
javiertololo
on 01-05-2012
01-10-2012
03:26 AM
by
It Wasn't Me
7
50,151
Honda Civic (2001 - 2005)
P0420, P1166 and P1167 after new cat, new plugs, new O2,
troybmm
on 12-03-2011
12-06-2011
05:36 AM
by
Type-Spaz
17
8,734
Acura RSX DC5 & Honda Civic EP3
HELP!!! 96 civic catalytic problem!!!
danillobh84
on 11-26-2011
11-26-2011
04:08 PM
by
danillobh84
20
2,392
Honda Civic / Del Sol (1992 - 2000)
Honda Pilot MIL on with P0420 code help
tshelton38
on 11-05-2011
11-05-2011
10:34 PM
by
tshelton38
2
54,840
Honda Minivans, Crossovers, and Trucks
So just threw a P0420 code
02blackhatch
on 10-28-2011
10-31-2011
04:04 AM
by
rjmq06
2
6,308
Acura RSX DC5 & Honda Civic EP3
'98 Accord with P0420 code, please help...
travelin' man
on 08-24-2011
08-24-2011
06:49 AM
by
travelin' man
0
3,800
Honda Accord (1990 - 2002)
po420 and no power, it dies out
admess188
on 11-23-2010
08-13-2011
07:29 PM
by
justinsbg
9
2,194
Honda Civic / Del Sol (1992 - 2000)
New member with P0420 -- O2 sensor problem?
SL0RD
on 07-29-2011
07-29-2011
11:58 AM
by
Hidenplanvew
9
4,263
Honda Civic / Del Sol (1992 - 2000)
Code p0420 No Cat Need Help!
fleshwounded
on 07-22-2011
07-22-2011
06:10 PM
by
deving916
1
2,070
Honda Civic / Del Sol (1992 - 2000)
New to LA - Need help with b16 civic
WideBodyFEELZ
on 05-31-2011
06-06-2011
09:44 PM
by
PilotOnDubs
16
1,262
Southern California
p0420 code
scott_turner
on 04-29-2011
04-30-2011
04:14 PM
by
scott_turner
5
5,734
Honda Civic / Del Sol (1992 - 2000)
PO420 code need help
DVPDC2
on 03-28-2011
03-30-2011
09:26 PM
by
DVPDC2
8
1,601
Acura Integra
PO420 code???
blacktibby07
on 02-07-2011
02-07-2011
05:21 PM
by
singlecammin
2
2,130
Honda Civic / Del Sol (1992 - 2000)
I'm really fed up with my P0420 code
Whatislove
on 01-25-2011
01-31-2011
11:17 AM
by
It Wasn't Me
16
20,196
Honda Civic (2001 - 2005)
01 Civic with 5 codes... Two P0420, two P0133 and one P1298
eiloo
on 11-10-2010
12-03-2010
05:57 AM
by
eiloo
22
12,377
Honda Civic (2001 - 2005)
P0420.............
rjmq06
on 09-10-2010
09-12-2010
03:05 PM
by
I4MCHNA
7
2,915
Acura RSX DC5 & Honda Civic EP3
Strange PO420, cat, broken exhaust issue.
Fishprod
on 08-18-2010
08-20-2010
08:06 PM
by
Fishprod
5
2,572
Honda Civic / Del Sol (1992 - 2000)
reset ecu pass smog?????
rjmq06
on 08-19-2010
08-20-2010
04:28 PM
by
rjmq06
2
2,906
Acura RSX DC5 & Honda Civic EP3
P0420 again!
TLP_IS350
on 07-02-2009
07-18-2010
12:28 PM
by
jayare05
24
20,585
Acura Integra
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