Threads Tagged with po420

Honda Accord & Crosstour (2003 - 2012)

2003, accord, bad, cat, code, crv, driving, honda, hondatech, o2, p0420, po420, post, reading, sensor, thermostat, voltage

P0420 Code

jc007i on 01-20-2012

04-11-2017 08:35 PM
by cjay__19

17

43,940

1, 2003, accord, bank, catalyst, code, effeciency, efficiency, honda, honea, p0420, po420, system, sytstem, threshold

P0420 Catalyst system efficiency below threshold (bank1) o2 or cat?

(

1 2)

Integra_Boi on 02-19-2005

04-15-2016 04:22 AM
by RedTRex

48

472,187

Honda Accord (1990 - 2002)

03, 0420, 1996, 2002, 24, accord, acord, code, gide, honda, lx, p0420, p420, po420, troubleshooting

Troubleshooting P0420 Code...

dlewis2583 on 01-03-2012

08-14-2013 01:16 AM
by Discosteak

11

20,440

Honda Accord (1990 - 2002)

1998, 2000, acura, check, civic, code, engine, error, fix, gsr, honda, light, p0420, po420, s2000

Code P0420 : Mechanic says:

seriot on 12-06-2007

05-12-2013 02:45 PM
by doctorake

21

78,511

Po420 in bb6 with a cat back exhaust

MTracing on 04-08-2012

04-09-2012 05:32 AM
by jkoni426

1

1,367

Honda Prelude

02, 2002, acura, code, codes, exposed, o2, oxygen, po420, rsx, secondary, sensor, throw, type, wires

Can anything else make the Secondary 02 throw a code

YaBoiTHiZZ on 01-22-2010

03-28-2012 08:10 PM
by doood

12

3,412

94, 98, accord, audio, cat, cheapest, civic, code, direct, fit, honda, magnaflow, po420, powered, vbulletin

Cat replacement!! Help!!

Miqhtymouse32 on 03-21-2012

03-22-2012 12:32 AM
by Miqhtymouse32

14

1,777

2000, acura, burning, cat, code, defouler, honda, integra, oil, p0420, po420, replaced, replacement, rl, s2000, trick

P0420 coming on after cat replacement

ccrelan on 03-03-2012

03-03-2012 05:36 PM
by ccrelan

11

7,250

02, bad, cat, cel, civic, defouler, ep3, gas, honda, mileage, p0420, po420, poor, replaced, replacing

Replacing Cat in Cali + CEL P0420

Dangydang on 02-12-2012

02-17-2012 06:03 PM
by b_ron

5

2,630

02, 90, 96, accord, anti, civic, code, degree, dx, fouler, honda, p0420, plug, po420, spark

02 Honda Civic P0420 code

jasrams on 02-06-2012

02-08-2012 05:22 AM
by Allboost18b

8

6,894

2000, 2005, bad, censor, civic, code, crv, ep3, honda, o2, p0420, po420, replace, sensor, tech, upstream

02 Honda Civic P0420 code

javiertololo on 01-05-2012

01-10-2012 03:26 AM
by It Wasn't Me

7

50,166

03, 2008, cat, civic, code, honda, o2, p0420, p1167, pilot, plugs, po420, sensors, si, spark

P0420, P1166 and P1167 after new cat, new plugs, new O2,

troybmm on 12-03-2011

12-06-2011 05:36 AM
by Type-Spaz

17

8,745

96, catalytic, cats, civic, code, converter, dorman, ebay, exhaust, header, honda, issues, po420, problems, typical

HELP!!! 96 civic catalytic problem!!!

danillobh84 on 11-26-2011

11-26-2011 04:08 PM
by danillobh84

20

2,392

Honda Minivans, Crossovers, and Trucks

0420, 06, 2006, catalytic, code, converter, honda, hondapilotbank1converterreplace, hondapilotcodes, odyssey, p0420, p0420hondapilot, pilot, po420, rearwutwc

Honda Pilot MIL on with P0420 code help

tshelton38 on 11-05-2011

11-05-2011 10:34 PM
by tshelton38

2

54,860

, 03, accord, acura, cel, civic, code, ep3, honda, mdx, p0420, po420, rl, rsx, tl

So just threw a P0420 code

02blackhatch on 10-28-2011

10-31-2011 04:04 AM
by rjmq06

2

6,308

Honda Accord (1990 - 2002)

06, 2002, 96, 98, accord, acord, cel, code, codes, honda, p0420, p420, po0420, po420, reset

'98 Accord with P0420 code, please help...

travelin' man on 08-24-2011

08-24-2011 06:49 AM
by travelin' man

0

3,800

2000, 420, 97, civic, civil, cx, dies, gas, honda, p0420, po, po420, power, press, start

po420 and no power, it dies out

admess188 on 11-23-2010

08-13-2011 07:29 PM
by justinsbg

9

2,194

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

New member with P0420 -- O2 sensor problem?

SL0RD on 07-29-2011

07-29-2011 11:58 AM
by Hidenplanvew

9

4,264

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

Code p0420 No Cat Need Help!

fleshwounded on 07-22-2011

07-22-2011 06:10 PM
by deving916

1

2,070

1998, angeles, bicycles, civic, green, honda, hondas, la, los, love, po420, shops, stuttering, tech, tuner

New to LA - Need help with b16 civic

WideBodyFEELZ on 05-31-2011

06-06-2011 09:44 PM
by PilotOnDubs

16

1,262

Southern California

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

p0420 code

scott_turner on 04-29-2011

04-30-2011 04:14 PM
by scott_turner

5

5,734

2000, 420, accord, acura, car, code, fine, gs, honda, integra, po, po420, reading, running

PO420 code need help

DVPDC2 on 03-28-2011

03-30-2011 09:26 PM
by DVPDC2

8

1,601

Acura Integra

PO420 code???

blacktibby07 on 02-07-2011

02-07-2011 05:21 PM
by singlecammin

2

2,131

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 01-25-2011

01-31-2011 11:17 AM
by It Wasn't Me

16

20,196

01, 2002, acura, civic, code, codes, downstream, honda, p0133, p1298, po420, refers, reset, rsx, sensor, upstream

01 Civic with 5 codes... Two P0420, two P0133 and one P1298

eiloo on 11-10-2010

12-03-2010 05:57 AM
by eiloo

22

12,377

P0420.............

rjmq06 on 09-10-2010

09-12-2010 03:05 PM
by I4MCHNA

7

2,916

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 08-18-2010

08-20-2010 08:06 PM
by Fishprod

5

2,572

acura, california, cel, ecu, element, ep3, honda, pass, po420, reset, resetting, rsx, smog, tech, test

reset ecu pass smog?????

rjmq06 on 08-19-2010

08-20-2010 04:28 PM
by rjmq06

2

2,906