p0420

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Honda Civic Forum

1457, 2003, 2007, civic, diy, fuel, harley, honda, install, link, module, p0420, p1298p0420p1457, p1457, stabilizer, steering, vent

Help with P0420 and P1457 and steering stabilizer link installation

hqfking on Dec 16, 2011

Feb 2, 2012
by fsckewe

5

2,883

Mechanical Problems/Vehicle Issues and Fix-it Forum

2002, 2007, 87, catalytic, civic, converter, converterd, damaged, honda, lx, o2, o2sensor, p0420, risk, sensor, symptoms

O2 sensor / catalytic converter ???

civicfan247 on Jan 28, 2012

Jan 30, 2012
by BlueEM2

16

26,380

Mechanical Problems/Vehicle Issues and Fix-it Forum

07, 08, 2008, civic, code, coverage, engine, fuse, honda, light, p0420, po420, resets, si, warranty

2008 Civic P0420

giorgiolouis on Jan 17, 2012

Jan 21, 2012
by ezone

4

11,263

8th & 9th Generation Civic 2006 - 2015

1997, 97, civic, code, d16, dx, egr, honda, issues, p0420, p1509, pcodes, title, trouble, valve

Too many problems for a title

K2dulce on Dec 14, 2011

Dec 17, 2011
by K2dulce

3

1,636

Mechanical Problems/Vehicle Issues and Fix-it Forum

157654, 2911bit, aftermarket, civic, code, error, heaterac, honda, id, o2, p0420, p420, po420, rid, sensors

p0420 code thrown

MelJ on Jan 7, 2011

Nov 11, 2011
by DavidRey

14

6,894

Mechanical Problems/Vehicle Issues and Fix-it Forum

civic, clear, code, codes, egr, emission, engine, error, honda, inspection, number, ny, oem, p0420, passport, picture, skippping

99 DX - engine skip/codes need to pass emissions to register

lmsc07ct on May 7, 2011

Aug 11, 2011
by cdan

21

4,706

Mechanical Problems/Vehicle Issues and Fix-it Forum

2000, 2001, aftermarket, ago, back, cat, cel, civic, honda, light, luck, month, p0420, replaced, srs

P0420 back again...changed everything?

bcledfoot on Mar 14, 2011

Jul 27, 2011
by jski007

6

2,280

Mechanical Problems/Vehicle Issues and Fix-it Forum

2001, 2003, 2007, 420, civic, civiv, code, codes, ead, engine, fix, honda, p0420, po, sedan

2007 civic ex sedan with engine code p0420

bdcivic on Jul 17, 2011

Jul 21, 2011
by 08EX

1

6,503

Engine

car, civic, code, convertevr, hx, lights, looses, p0420, position, power, sensor, switches, throttle, turn, wrong

what wrong with my 02 civic hx

starlyn on Apr 28, 2011

Apr 30, 2011
by lazlong

24

1,910

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, 0420, 2002, 2003, 7th, california, cat, cats, civic, defusser, forum, generation, honda, legal, p0420, si, universal

02 Civic Si cat help

Drewdown27 on Apr 20, 2011

Apr 20, 2011
by xRiCeBoYx

1

1,447

7th Generation Civic 2001 - 2005

1999, 99, bumper, cat, civic, civiv, fit, fix, fog, front, honda, light, p0420, party, po420, si

00' Si po420

Em1 Vtec on Feb 24, 2011

Mar 11, 2011
by Em1 Vtec

27

3,764

Mechanical Problems/Vehicle Issues and Fix-it Forum

00, 03, 2003, 2005, 2007, cel, check, civic, code, engine, honda, hybrid, p0420, po420, si, turbo

CEL with P0420.

kcanoy on Sep 28, 2010

Jan 18, 2011
by Squeeken

4

15,252

6th Generation Civic 1996 - 2000

01, 2004, civic, code, codes, forum, fuse, honda, oxygen, p0133, p0420, p1033, p1298, po133, pull, reset, sensor, troubleshooting

P0420, P0133 and P1298 on 01 Civic

eiloo on Nov 10, 2010

Dec 15, 2010
by BlueEM2

9

11,591

Mechanical Problems/Vehicle Issues and Fix-it Forum

2000, 2002, 50, carb, card, cat, catalytic, civic, converter, converters, flow, honda, legal, list, lx, p0420, state

best catalytic converter for ex

d0ughbOy81 on Oct 6, 2010

Oct 11, 2010
by xRiCeBoYx

12

21,528

7th Generation Civic 2001 - 2005

2000, 2001, belt, civic, clear, code, cost, distributor, honda, p0420, p1361, pump, tdc, timing, water

P1361 &P0420 Please Help!!!

js999 on Sep 26, 2010

Sep 27, 2010
by js999

5

4,209

6th Generation Civic 1996 - 2000

2004, car, check, civic, code, damage, engine, fixing, fouler, honda, light, o2, p0420, po420, si

P0420 code with some history

brians02ex on Aug 30, 2010

Aug 30, 2010
by lazlong

4

10,539

Mechanical Problems/Vehicle Issues and Fix-it Forum

17, bank, check, civic, code, diy, engine, forums, honda, light, lightcost, liter, p0420, p420, po420, reader

P0420 code with some history

brians02ex on Aug 30, 2010

Aug 30, 2010
by brians02ex

0

1,812

Mechanical Problems/Vehicle Issues and Fix-it Forum

2007, 45, 99, align, alignment, angle, changed, civic, degree, degrees, drive, gearbox, hit, honda, p0420, steering, struts, wheel

Steering wheel at 45 degree angle after new struts

(

1 2)

DannyK35 on May 20, 2010

Jun 13, 2010
by sdaidoji

31

6,393

Mechanical Problems/Vehicle Issues and Fix-it Forum

bank, catalyst, catalytic, crv, diagnose, efficiency, faulty, fuel, honda, oxgen, p0420, pump, sensor, system, threshold

Proffesional diagnose need it

beta2 on Mar 23, 2010

Apr 1, 2010
by beta2

5

2,292

Mechanical Problems/Vehicle Issues and Fix-it Forum

buzz, buzzing, car, civic, cracked, dorman, exhaust, hood, loud, manifold, noise, p0420, smoke, smoking, sounds, symptoms

Noises under hood?

senicalj4579 on Feb 12, 2010

Mar 12, 2010
by cwo715

21

3,487

General Honda Civic Forum Archive.

2003, 2004, change, check, civic, code, crv, engine, fixing, gas, honda, light, oil, overdue, overfilling, p0420, p1457, po420, si, tank

P0420 and P1457 Together?

pulloff on Nov 28, 2009

Jan 25, 2010
by gearbox

5

13,637

Mechanical Problems/Vehicle Issues and Fix-it Forum

xChinox on Oct 30, 2009

Oct 30, 2009
by xChinox

0

2,279

6th Generation Civic 1996 - 2000

1996, 2004, 99, check, civic, day, engine, ex, forum, fuel, hard, honda, hot, light, p0420, reset, running, shifting

could it?

Scarecrow on Aug 21, 2009

Sep 6, 2009
by Scarecrow

9

1,192

6th Generation Civic 1996 - 2000

97, abs, cat, civic, evo, exhaust, fix, header, honda, light, manifold, p0420, replace, rid, tsb

P0420 code with Header install

bigmacnfrys on Jul 14, 2009

Sep 1, 2009
by bigmacnfrys

13

7,061

Bolt-on Engine Performance

2000, 2001, 2004, 99, cat, catalytic, check, civic, code, converter, engine, honda, p0420, po420, returning

CEL P0420 after installing a Cat Converter

dazzy999 on Jan 14, 2008

Aug 31, 2009
by Scarecrow

1

3,443

Engine

P1259, P0420, P0135. . Replaced front 02 sensor

dsutton0330 on Aug 11, 2009

Aug 12, 2009
by Tomj333_EM2

2

3,890

Mechanical Problems/Vehicle Issues and Fix-it Forum

06, 1997, 2001, 99, catalytic, civic, code, converter, honda, light, p0420, po420, problem, si, srs, stalling

Stalling problem, threw P0420 code., help?!

ffspiel on Apr 1, 2009

Apr 6, 2009
by ffspiel

8

21,545

Engine

Check engine light

remmick69 on Mar 13, 2009

Mar 28, 2009
by remmick69

9

1,522

Mechanical Problems/Vehicle Issues and Fix-it Forum

2003, battery, car, civic, code, engine, forum, honda, intermittent, key, p0420, p1298, remote, replacing, start, starter, twc

'03 Civic Remote Starter Issue...

Jay633 on Feb 1, 2009

Feb 7, 2009
by Jay633

1

2,937

Mechanical Problems/Vehicle Issues and Fix-it Forum

car, civic, maintenance, maintenane, p0420, sucks, vehicle

Car Maintenance sucks!

Superjester on Nov 30, 2008

Dec 2, 2008
by Protan988

3

1,085

Mechanical Problems/Vehicle Issues and Fix-it Forum