po420 - Honda Civic Forum - Threads Tagged with po420

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Honda Civic Forum

91, acceleration, cat, civic, clogged, honda, p0420, po420, slow, start

CEL P0420, cat clogged or below efficiency?

got2run5 on 06-04-2013

06-04-2013
by got2run5

2

2,067

Mechanical Problems/Vehicle Issues and Fix-it Forum

01, 2005, 2007, civic, code, codes, engine, honda, o2, obd, obd2, p0420, pics, po420, sensor

P0420 and P0420PD OBDII Codes

EarthCanBeMoved on 07-09-2009

12-21-2012
by Rep da 808

7

13,250

7th Generation Civic 2001 - 2005

03, 10, 2002, 2004, 7th, change, civic, fine, gas, hight, honda, loss, mod, noise, octane, p0420, po420, power, problem, runs

P0420 - What is the next step?

Phizy on 10-16-2012

10-17-2012
by Phizy

7

2,240

Mechanical Problems/Vehicle Issues and Fix-it Forum

2003, 2008, cat, catalytic, civic, code, converter, fouler, honda, magnaflow, mahnaflow, o2, p0420, po420, problems

Dreaded P0420 Code with new Magnaflow Cat. Converter!

WKD DRGN on 08-07-2012

08-12-2012
by asianboy781

4

6,606

Mechanical Problems/Vehicle Issues and Fix-it Forum

check, civic, engine, homemade, inspection, light, magnaflow, massachusetts, o2, po420, robearracing, sensor, spacer

Hello...

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1 2)

GreenMachineDX on 06-14-2011

08-01-2012
by lowlife9

54

3,481

7th Generation Civic 2001 - 2005

2000, 99, cat, civc, civic, code, dx, eld, engine, honda, p0420, p1381, po420, stupid, tuneup, wont

Need some help with a 99 civic I bought.

hawkijustin on 02-14-2012

02-14-2012
by hawkijustin

0

1,264

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 01-17-2012

01-21-2012
by ezone

4

10,288

8th & 9th Generation Civic 2006 - 2015

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

p0420 code thrown

MelJ on 01-07-2011

11-11-2011
by DavidRey

14

6,752

Mechanical Problems/Vehicle Issues and Fix-it Forum

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

00' Si po420

Em1 Vtec on 02-24-2011

03-11-2011
by Em1 Vtec

27

3,552

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 09-28-2010

01-18-2011
by Squeeken

4

14,448

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 08-30-2010

08-30-2010
by lazlong

4

10,303

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 08-30-2010

08-30-2010
by brians02ex

0

1,626

Mechanical Problems/Vehicle Issues and Fix-it Forum

2000, 2001, bank, catalyst, catylist, ceck, check, civic, efficiency, engine, enging, fix, honda, po420, problem, threshold

bank one catalyst efficiency below threshold

himileage on 03-28-2010

03-29-2010
by himileage

2

1,636

Mechanical Problems/Vehicle Issues and Fix-it Forum

what is the best catalytic for 01 LX

deadliner on 03-18-2010

03-20-2010
by deadliner

4

1,031

7th Generation Civic 2001 - 2005

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 11-28-2009

01-25-2010
by gearbox

5

12,632

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, 2002, 2003, bank1, cat, cataytic, civic, code, converter, dies, efficiency, engine, honda, low, lx, po420, si, starts

Codes P1361 & P0420

gettinthatfosho on 01-14-2010

01-14-2010
by gearbox

1

5,653

Mechanical Problems/Vehicle Issues and Fix-it Forum

P0420

xChinox on 10-30-2009

10-30-2009
by xChinox

0

1,827

6th Generation Civic 1996 - 2000

2001, bank, check, civic, code, codes, diagnosis, engine, fix, forums, honda, light, maintenace, po420, read, reset

Check engine light and AC

brent_01civic_e on 10-06-2009

10-06-2009
by brent_01civic_e

0

5,268

Mechanical Problems/Vehicle Issues and Fix-it Forum

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

CEL P0420 after installing a Cat Converter

dazzy999 on 01-14-2008

08-31-2009
by Scarecrow

1

3,011

Engine

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

Stalling problem, threw P0420 code., help?!

ffspiel on 04-01-2009

04-06-2009
by ffspiel

8

20,581

Engine

04, 0420, 05, 2000, 2004, cel, civic, code, fix, honda, mechanical, mil, p0420, po420, s2000

CEL on, P0420 Code threw

diskreet on 01-04-2007

01-08-2007
by diskreet

2

1,356

Mechanical Problems/Vehicle Issues and Fix-it Forum

cel problem.help ...

Qthangcivic on 11-09-2006

11-09-2006
by d17acivic

1

1,050

Mechanical Problems/Vehicle Issues and Fix-it Forum

10, bogging, cam, civic, d17, dyno, iac, po420, preparing, sec, sleeves, sparkplug, stall, turbo, valvetrain, y8

D17 weaker than I thought

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1 2 3)

ronaldo9 on 11-06-2006

11-08-2006
by familycar

75

8,947

Bolt-on Engine Performance

body, car, civic, cleaning, clear, code, converter, fix, honda, o2, p0302, p0420, p0420code, po420, sensor, throtle, tune

P0420 CODE and O2 sensor conneced?

Boods on 07-19-2006

07-19-2006
by streetglower

1

1,191

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, 96, body, civic, clean, cleaning, code, dirty, honda, o2, p0420, po420, sensor, si, spacer, throttle, throttlebody

P0420 CODE and O2 sensor conneced?

Boods on 07-19-2006

07-19-2006
by Boods

0

987

Mechanical Problems/Vehicle Issues and Fix-it Forum

P0420

gillio215 on 06-04-2006

06-04-2006
by gillio215

0

3,855

Mechanical Problems/Vehicle Issues and Fix-it Forum

08, 3rd, added, car, civic, code, cuts, cutting, fuel, gear, honda, injector, po420, shifting, si, turbo

Fuel cutting out when shifting from first (6000rpms) into second?

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1 2 3)

04_CIVIC_HFP on 04-15-2006

05-02-2006
by familycar

75

5,219

Engine Swaps

change, check, civic, code, exhaust, light, p0420, po420

Engine Light On with different Exhaust Tone

2000IndigoX on 06-13-2004

06-18-2004
by 2000IndigoX

6

1,031

Mechanical Problems/Vehicle Issues and Fix-it Forum

Catalitic Convertor is Toast. What are my options?

2000IndigoX on 06-15-2004

06-17-2004
by 2000IndigoX

15

1,072

General Honda Civic Forum Archive.

2002, cap, catalyst, civic, code, efficiency, fuel, honda, indicator, lamp, loose, lx, malfunction, malfunctioning, po420, system, threshold

malfunction indicator lamp problem

fastcivic03 on 05-01-2004

06-01-2004
by Vteced02civic

9

7,173

Mechanical Problems/Vehicle Issues and Fix-it Forum