p0420 - Honda-Tech - Honda Forum Discussion - Threads Tagged with p0420

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02, cat, code, d16y7, exhaust, fouler, manifold, o2, p0420, proble, recommend, replace, replacing, sensor, work

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)

2001, accord, acura, catalitic, catalytic, converter, cycles, flags, honda, miles, p0420, p1457, prelude, readiness, reset, start, tl, v6

P0420 and P1457

hypervish on Aug 9, 2011

Aug 10, 2011 05:12 PM
by exb18c1

7

14,297

Honda Accord (1990 - 2002)

2001, accord, code, computer, crv, gas, honda, p0420, powered, remove, steps, support, tank, tech, vbulletin

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)

02, 2000, bad, caused, civic, honda, o2, oxygen, p0420, po420, problem, rear, review, seafoam, sensor

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)

2000, 2006, cat, cats, civic, code, codep0420, dtc, honda, oddysey, odessey, odyssey, p0420, pilot, po420

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)

0420, 2000, 2005, belt, check, civic, closed, code, element, engine, honda, light, loop, p0420, service, timing

Check Engine- P0420

lavtxa on Jun 27, 2011

Jun 30, 2011 03:43 PM
by lavtxa

6

4,196

Honda Civic (2001 - 2005)

8138991569, catalytic, cel, clean, converter, gas, guaranteed, honda, houston, lacquer, laquer, laqure, p0420, pass, put, thinner, tx

ECU Code P0420

DaleW on Jun 8, 2011

Jun 20, 2011 03:10 AM
by DaleW

10

11,561

Tech / Misc

0420, auto, cel, code, glitch, honda, p0420, pipe, put, s2000, s2ki, tech, test, zone

P0420 CEL

Lnknprkfrk28 on May 22, 2011

May 22, 2011 04:49 PM
by Lnknprkfrk28

0

1,336

Honda S2000

00, 2002, accelarating, car, civic, driven, dx, hesitates, honda, model, p0420, problem, rain, running, va

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)

1997, 2000, caused, civic, code, d16y8, del, exhaust, fit, honda, leak, lx, odyssey, p0420, po420

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)

2005, 99, accord, battery, check, clock, code, engine, honda, light, p0420, position, replace, reset, time

99 Accord p0420

brycecubes on Apr 26, 2011

Apr 29, 2011 09:32 PM
by Mr. Bubble

8

6,436

Honda Accord (1990 - 2002)

16, 1999, 2007, aftermarket, calitic, civic, code, converter, drive, exhaust, gmc, honda, illegal, liter, p0420

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, b18b1, catalyc, catalytic, code, converter, crv, honda, hondatech, integra, ls, magnaflow, o2, p0420, sensor

~ 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

02, 1457, 99, accord, catalytic, converter, emision, evap, failedf, fuel, honda, leak, odyssey, p0420, p1457, solenoid, tank, vent

'99 Accord, P1457 & P0420

Heat on Mar 7, 2011

Mar 11, 2011 11:22 AM
by kijunglee1234

1

8,978

Honda Accord (1990 - 2002)

2001, accord, af, bank, catalyst, cel, civic, concern, d16y7, efficiency, honda, p0420, ratio, system, threshold

CEL P0420....

Eksmith on Feb 14, 2011

Feb 15, 2011 05:42 PM
by Eksmith

4

5,424

Honda Civic / Del Sol (1992 - 2000)

2005, acura, camshaft, check, code, engine, flashing, honda, light, oddesy, odessey, p0420, pcm, po420, sensor, tl

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)

5700, early, hit, hits, honda, late, later, low, oil, p0420, pressure, randomly, set, tech, vtec

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

2000, acura, civic, complete, convertor, exhaust, fo, foam, honda, leak, nsx, odyssey, p0420, s2000, sea, test, wont, ztech

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)

2001, 2006, dealers, delsol, heater, honda, housing, location, nipple, p0420, pilot, prelude, pro, set, thermostat

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

0420, 1361, 2000, cel, civic, code, distributor, honda, mdx, p0420, p1361, replace, replacing, sensor, tdc

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)

2004, accord, code, codes, element, engine, error, honda, hondas, odyssey, p0137, p0420, po137, s2000, trouble

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

0304, 1399, 2002, accord, code, cyl, honda, httphtarchiveorgshowthreadphpt2177884, o2, p0420, p420, plug, rough, run, sensor, spark

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)

2001, 420, broken, check, civic, clearing, code, crv, emissions, engine, enhaust, fix, honda, innova, light, odyssey, p0420, po420

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)

bad, cel, decat, defouler, emmisions, ep3, ephatchcom, honda, o2, p0420, p1166, pass, pipe, s2000, secondary, sensor, showing

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

1194, accord, bad, cat, catalyst, code, engine, evap, honda, light, p0420, p1456, transmission, trigger, xxxlxx

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

07, 1998, 2005, acura, bad, cat, civic, code, efficiency, gasket, head, honda, integra, odyssey, oxygen, p0420, po420, s2000, sensor, show

P0420 again!

TLP_IS350 on Jul 2, 2009

Jul 18, 2010 12:28 PM
by jayare05

24

22,317

Acura Integra

acceleration, civic, d16y7, hesitating, p0420, stalling

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)

2000, cat, changing, civic, code, dx, engine, honda, o2, p0420, po420, replacing, sensor, sensors, surging

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)