p0420

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03, 2001, accord, check, code, engine, honda, light, p0420, position, rpm, ruckus, sensor, throttle, v6

03 accord ex v6 120k P0420 problem

johnk on Sep 25, 2009

Sep 26, 2009 09:52 AM
by RareSpirits

3

6,191

Honda Accord & Crosstour (2003 - 2012)

2001, cel, civic, code, fix, honda, p0420, s2000, tech

cel p0420

civic=goodgasmileage on Sep 19, 2009

Sep 19, 2009 03:25 PM
by lowlife9

1

956

Honda Civic (2001 - 2005)

01, 2000, accord, civic, code, coupe, honda, intermittent, p0420, p0420fault, po420, prelude, si

P0420 Code in 2000 Ex Coupe Honda Techs Help

civy123 on Sep 5, 2009

Sep 6, 2009 08:41 PM
by civy123

4

1,213

Tech / Misc

67, b16a2, code, ej6, honda, p0420, po420

code 67 ( p0420 )

Chiggah on Aug 21, 2009

Aug 22, 2009 10:11 AM
by Chiggah

2

987

Tech / Misc

67, acura, cat, cel, civic, distributor, honda, hybrid, integra, odyssey, p0420, p042067, po420, replaced, rsx

help!!! CEL 67 or P0420

kokowawa34 on Aug 15, 2009

Aug 16, 2009 09:10 PM
by kokowawa34

4

939

Acura Integra

1999, auto, crv, editing, honda, hondas, p0420, prelude, shift, sport, sportshift, tcu

WTT (MO): 1999 Prelude Base SportShift for another auto vehicle.

RyanA on Jul 22, 2009

Jul 26, 2009 04:47 AM
by RyanA

1

636

Mid-West (Sales)

98, accord, acting, check, engine, exhaust, flex, foam, honda, leak, light, p0420, pipe, sea, seafoam, weird

98 accord acting weird (CEL)

z395civic on Jul 15, 2009

Jul 16, 2009 02:53 AM
by TheMuffinMan

8

1,298

Honda Accord (1990 - 2002)

cmc600rr on Jul 1, 2009

Jul 1, 2009 01:27 PM
by gearhead16

2

684

Honda Civic / Del Sol (1992 - 2000)

11167, 11186, 1996, 67, accord, acura, catalyst, code, da, efficiency, fix, hon, honda, integra, p0420, system, threshold, typer

code 67

turbohatch96y7 on Jun 29, 2009

Jun 30, 2009 11:05 AM
by Type-Spaz

1

1,422

Acura RSX DC5 & Honda Civic EP3

2002, 2003, accord, car, catalyst, code, efficiency, honda, p0420, po420, stalling, stalls, system, tech, threshold

P0420 - Catalyst system efficiency below threshold

Rexfx on Jun 23, 2009

Jun 23, 2009 05:22 PM
by Rexfx

2

2,678

Honda Accord (1990 - 2002)

2000, aftermarket, bosal, bosol, cat, catalytic, chevy, civic, code, converters, correct, honda, k1500, p0420, po420, rid

Dreaded P0420 code, replaced cat

Going-west on Jun 21, 2009

Jun 21, 2009 07:57 PM
by Going-west

5

1,744

Honda Civic / Del Sol (1992 - 2000)

1998, 1999, 2000, 2007, 98, accord, acura, cel, code, honda, p0420, po420, showing, tech, tl

CEL P0420?

Pauly321 on Jun 10, 2009

Jun 11, 2009 09:19 PM
by alkoholikwun

2

1,012

Honda Accord (1990 - 2002)

1993, 98, accord, car, code, driving, engine, error, honda, motor, p0401, p0420, prelude, shuts, shutting

98 Prelude - Engine shut off while driving?!

gio_vanni on Jun 11, 2009

Jun 11, 2009 12:10 PM
by minime-dom

5

2,978

Honda Prelude

bank, cat, cel, civic, code, codes, crv, honda, hx, marker, odyssey, oem, p0420, p420, prelude

code P0420

mrspeedy69 on May 14, 2009

May 14, 2009 12:09 PM
by Former User

5

4,317

Honda Civic / Del Sol (1992 - 2000)

2003, cat, clogged, code, is300, lexus, low, p0420, p1508, power, problem, subaru, wrx

need help!!!

pimpchickpcfl on May 9, 2009

May 10, 2009 11:00 AM
by Former User

11

1,067

Honda Civic / Del Sol (1992 - 2000)

1996, 1999, 2001, accord, bad, cat, catalytic, civic, converter, downstream, honda, manifold, p0420, po420, rsx, stalling

At wits end: P0420... help!

ffspiel on May 6, 2009

May 6, 2009 11:40 AM
by ffspiel

9

6,577

Honda Civic / Del Sol (1992 - 2000)

2001, 98, accord, car, catalytic, civic, code, converter, deterioration, engine, giving, honda, p0420, p0430, prelude

98 Accord 3.0 v6 with Codes P0420 & P0430?

speeddog on Apr 30, 2009

May 1, 2009 09:42 PM
by speeddog

2

5,103

Honda Accord (1990 - 2002)

1992, 2009, accord, acura, cat, check, code, codes, ecu, egr, engine, honda, light, p0420, possibilities, prelude, rsx

Check-engine light...Code P0420

(

1 2)

Lovemy99Lude on Jan 5, 2009

Apr 29, 2009 11:53 AM
by xTravBx

34

41,131

Honda Prelude

2000, 2002, buy, bypass, canister, check, civic, code, dx, engine, evap, honda, light, p0420, solenoid, valve, waybypass

2000 civic DX check engine light code

h22egAZ on Apr 28, 2009

Apr 28, 2009 08:55 PM
by Arthas

7

7,460

Honda Civic / Del Sol (1992 - 2000)

2000, acura, car, code, coil, engine, honda, ignition, odyssey, p0420, problem, rsx, stall, stalling, stalls, starts

P0420 code thrown... stalling problem, Help?!

ffspiel on Apr 1, 2009

Apr 6, 2009 09:06 AM
by ffspiel

1

6,636

Engine Management and Tuning

01, 05, 06, 2003, 2004, 2005, accord, civic, code, false, honda, lx, p0172, p0420, pilot, po420

P0420 2005 Honda Accord LX

Lola1219 on Feb 12, 2009

Feb 17, 2009 09:49 AM
by MSchu

7

16,043

Honda Accord & Crosstour (2003 - 2012)

2008, 91, accord, catalytic, code, conver, deficiency, honda, huffing, idle, monitor, noises, p0420, problems, rough, steam, white

Honda Accord Problem

dorkiedoode on Dec 30, 2008

Feb 1, 2009 11:41 AM
by dorkiedoode

11

2,169

Honda Accord (1990 - 2002)

2000, 2001, cam, civic, code, codehonda, foul, honda, p0420, plug, position, sensor, sluggish, spark, supra, symptoms, trouble

Another P0420 code

jaredvabeach on Jan 26, 2009

Jan 27, 2009 08:31 AM
by jaredvabeach

7

1,953

Honda Civic (2001 - 2005)

2000, 2002, 2003, 96, acura, check, civic, code, codes, engine, honda, light, p0132, p0420, p1298, problem, rsx

Cel//p1298//p0420//p0132

Maple50175 on Jan 25, 2009

Jan 26, 2009 04:34 PM
by Maple50175

1

3,936

Honda Civic (2001 - 2005)

2001, 96, 99, accelerate, accord, civic, engine, false, hesitate, hesitates, hesitation, honda, o2, p0420, starting

'99 Accord: P0420 and Sometimes Engine Hesitation & Rough Idling

gtg162y on Jan 2, 2009

Jan 25, 2009 04:29 PM
by gtg162y

5

9,153

Honda Accord (1990 - 2002)

1998, cel, civic, civiv, d16y7, exhaust, headers, honda, manifold, p0420

1998 d16y7 Civic: CEL

polything on Jan 2, 2009

Jan 3, 2009 08:21 AM
by mtber

3

1,030

Engine Management and Tuning

03, 06, accord, acurazine, bank, clear, code, engine, honda, long, p0420, pass, pending, smog, v6

'06 Accord V6 with P0420 code

atikovi on Dec 29, 2008

Dec 29, 2008 07:31 PM
by blkb18

1

6,653

Tech / Misc

Where do I go for Odyssey's

craiger28 on Dec 17, 2008

Dec 17, 2008 08:24 AM
by rSol93

7

929

Honda Accord (1990 - 2002)

98, 99, accord, bank, bank1, catalyst, efficiency, erase, low, oxygen, p0420, po420, rsx, sensor, system, type

98 accord p0420 catalyst effic. low-bank 1

jsnmullis on Dec 8, 2008

Dec 11, 2008 09:26 AM
by DCFIVER

11

8,165

Honda Accord (1990 - 2002)

02, catalyst, cheat, civic, code, converter, ep3, honda, p0420

Catalyst converter query on 00' Si

B16AGUY on Nov 16, 2008

Nov 18, 2008 06:39 AM
by B16AGUY

6

954

Honda Civic / Del Sol (1992 - 2000)