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Honda-Tech - Honda Forum Discussion
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Threads Tagged with
p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
1998 d16y7 reading P0420 after replacing cat & exhaust manifold. O2 sensor problem?
socalrocks
on Aug 10, 2011
Aug 10, 2011
07:43 PM
by
motegicivic
4
4,485
Honda Civic / Del Sol (1992 - 2000)
P0420 and P1457
hypervish
on Aug 9, 2011
Aug 10, 2011
05:12 PM
by
exb18c1
7
14,297
Honda Accord (1990 - 2002)
EJ8 infamous p0420 code...need help!
deving916
on Jul 30, 2011
Jul 31, 2011
08:28 PM
by
deving916
12
9,422
Honda Civic / Del Sol (1992 - 2000)
New member with P0420 -- O2 sensor problem?
SL0RD
on Jul 29, 2011
Jul 29, 2011
11:58 AM
by
Hidenplanvew
9
4,385
Honda Civic / Del Sol (1992 - 2000)
Code p0420 No Cat Need Help!
fleshwounded
on Jul 22, 2011
Jul 22, 2011
06:10 PM
by
deving916
1
2,177
Honda Civic / Del Sol (1992 - 2000)
Check Engine- P0420
lavtxa
on Jun 27, 2011
Jun 30, 2011
03:43 PM
by
lavtxa
6
4,196
Honda Civic (2001 - 2005)
ECU Code P0420
DaleW
on Jun 8, 2011
Jun 20, 2011
03:10 AM
by
DaleW
10
11,561
Tech / Misc
P0420 CEL
Lnknprkfrk28
on May 22, 2011
May 22, 2011
04:49 PM
by
Lnknprkfrk28
0
1,336
Honda S2000
00 Civic EX - stutter, hesitation, code P0420 - problems worsen when raining
dele22
on Apr 27, 2011
May 2, 2011
06:13 AM
by
dele22
22
10,686
Honda Civic / Del Sol (1992 - 2000)
p0420 code
scott_turner
on Apr 29, 2011
Apr 30, 2011
04:14 PM
by
scott_turner
5
6,796
Honda Civic / Del Sol (1992 - 2000)
99 Accord p0420
brycecubes
on Apr 26, 2011
Apr 29, 2011
09:32 PM
by
Mr. Bubble
8
6,436
Honda Accord (1990 - 2002)
Help check engine light problem p0420 bank 1
elite143
on Apr 15, 2011
Apr 16, 2011
11:46 PM
by
Townson
17
15,654
Honda Civic / Del Sol (1992 - 2000)
~ 98+ Integra LS B18B1 OBD-II Magnaflow Catalyic Converter + NGK O2 CA Certified $99
toomtoomvroom
on Apr 11, 2011
Apr 11, 2011
09:49 PM
by
toomtoomvroom
0
1,633
For Sale
'99 Accord, P1457 & P0420
Heat
on Mar 7, 2011
Mar 11, 2011
11:22 AM
by
kijunglee1234
1
8,978
Honda Accord (1990 - 2002)
CEL P0420....
Eksmith
on Feb 14, 2011
Feb 15, 2011
05:42 PM
by
Eksmith
4
5,424
Honda Civic / Del Sol (1992 - 2000)
I'm really fed up with my P0420 code
Whatislove
on Jan 25, 2011
Jan 31, 2011
11:17 AM
by
It Wasn't Me
16
22,759
Honda Civic (2001 - 2005)
vtec still hits late after awhile....
that_sick_eg
on Jan 14, 2011
Jan 19, 2011
07:05 PM
by
toasterboy
8
1,718
Tech / Misc
p0420 wont go away after y8 exhaust conversion
fireant
on Nov 8, 2010
Nov 21, 2010
10:12 AM
by
ferio252
15
2,449
Honda Civic / Del Sol (1992 - 2000)
Heater setup on n/a b20vtec question.
DDTECH
on Sep 27, 2010
Sep 27, 2010
10:55 PM
by
DDTECH
0
1,341
All Motor / Naturally Aspirated
CEL P0420 & P1361 PLEASE HELP!
js999
on Aug 29, 2010
Sep 27, 2010
11:19 AM
by
HondaPartsHero
11
10,265
Honda Accord (1990 - 2002)
Fault codes; P0137, P0136, P0420
odysseyman
on Sep 21, 2010
Sep 21, 2010
07:23 PM
by
odysseyman
0
6,110
Honda Minivans, Crossovers, and Trucks
P0420, 0304, and 1399
Patman
on Dec 17, 2007
Sep 20, 2010
02:00 PM
by
natheath
3
1,835
Honda Accord (1990 - 2002)
P0420.............
rjmq06
on Sep 10, 2010
Sep 12, 2010
03:05 PM
by
I4MCHNA
7
3,394
Acura RSX DC5 & Honda Civic EP3
a quick p0420 inquiry
euphanom
on Aug 28, 2010
Aug 28, 2010
02:08 AM
by
tico
1
1,214
Honda Civic / Del Sol (1992 - 2000)
Strange PO420, cat, broken exhaust issue.
Fishprod
on Aug 18, 2010
Aug 20, 2010
08:06 PM
by
Fishprod
5
2,701
Honda Civic / Del Sol (1992 - 2000)
CEL detective work
Nooget
on Aug 5, 2010
Aug 14, 2010
08:12 PM
by
cloumep3
13
4,608
Acura RSX DC5 & Honda Civic EP3
What can i do with this CHECK ENGINE CODES!
DIESEL5
on Jul 29, 2010
Aug 3, 2010
06:21 PM
by
DIESEL5
23
4,473
All Motor / Naturally Aspirated
P0420 again!
TLP_IS350
on Jul 2, 2009
Jul 18, 2010
12:28 PM
by
jayare05
24
22,317
Acura Integra
Frustrating Stalling Issue
euphanom
on Jun 22, 2010
Jun 22, 2010
03:48 PM
by
Former User
1
961
Honda Civic / Del Sol (1992 - 2000)
P0420 after replacing O2 sensor
novotm
on Jun 18, 2010
Jun 20, 2010
09:21 AM
by
brandon400hp
1
4,860
Honda Civic (2001 - 2005)
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