Threads Tagged with po420

2000, 2001, 2002, acura, civic, code, crv, flow, honda, input, location, lx, o2, p0420, po420, sensor, speed, tl, turbine

2000 honda civic lx code p0420

tferro86 on May 11, 2008

Mar 13, 2025 08:48 AM
by HondaLXSoHC

9

29,063

0420, 1998, 2001, 420, 98, civic, code, eraased, honda, lx, obd, p0420, p420, po, po0420, po420

98 civic with p0420 code

chinox2001 on Jul 12, 2007

Dec 22, 2022 09:13 PM
by Mannyvtec805

2

11,173

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 Jan 20, 2012

Apr 11, 2017 08:35 PM
by cjay__19

17

50,105

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 Feb 19, 2005

Apr 15, 2016 04:22 AM
by RedTRex

48

479,165

Honda Accord (1990 - 2002)

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

Troubleshooting P0420 Code...

dlewis2583 on Jan 3, 2012

Aug 14, 2013 01:16 AM
by Discosteak

11

21,592

Honda Accord (1990 - 2002)

Po420 in bb6 with a cat back exhaust

MTracing on Apr 8, 2012

Apr 9, 2012 05:32 AM
by jkoni426

1

1,454

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 Jan 22, 2010

Mar 28, 2012 08:10 PM
by doood

12

4,540

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

Cat replacement!! Help!!

Miqhtymouse32 on Mar 21, 2012

Mar 22, 2012 12:32 AM
by Miqhtymouse32

14

1,915

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

P0420 coming on after cat replacement

ccrelan on Mar 3, 2012

Mar 3, 2012 05:36 PM
by ccrelan

11

8,111

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

Replacing Cat in Cali + CEL P0420

Dangydang on Feb 12, 2012

Feb 17, 2012 06:03 PM
by b_ron

5

2,723

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

02 Honda Civic P0420 code

jasrams on Feb 6, 2012

Feb 8, 2012 05:22 AM
by Allboost18b

8

7,254

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

02 Honda Civic P0420 code

javiertololo on Jan 5, 2012

Jan 10, 2012 03:26 AM
by It Wasn't Me

7

57,020

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 Dec 3, 2011

Dec 6, 2011 05:36 AM
by Type-Spaz

17

9,396

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

HELP!!! 96 civic catalytic problem!!!

danillobh84 on Nov 26, 2011

Nov 26, 2011 04:08 PM
by danillobh84

20

2,722

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 Nov 5, 2011

Nov 5, 2011 10:34 PM
by tshelton38

2

64,082

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

So just threw a P0420 code

02blackhatch on Oct 28, 2011

Oct 31, 2011 04:04 AM
by rjmq06

2

7,596

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 Aug 24, 2011

Aug 24, 2011 06:49 AM
by travelin' man

0

4,076

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

po420 and no power, it dies out

admess188 on Nov 23, 2010

Aug 13, 2011 07:29 PM
by justinsbg

9

2,325

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

4,371

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

2,169

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 May 31, 2011

Jun 6, 2011 09:44 PM
by PilotOnDubs

16

1,335

Southern California

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

6,771

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

PO420 code need help

DVPDC2 on Mar 28, 2011

Mar 30, 2011 09:26 PM
by DVPDC2

8

1,771

Acura Integra

PO420 code???

blacktibby07 on Feb 7, 2011

Feb 7, 2011 05:21 PM
by singlecammin

2

2,303

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

22,699

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 Nov 10, 2010

Dec 3, 2010 05:57 AM
by eiloo

22

13,118

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

rjmq06 on Sep 10, 2010

Sep 12, 2010 03:05 PM
by I4MCHNA

7

3,364

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

2,694

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

reset ecu pass smog?????

rjmq06 on Aug 19, 2010

Aug 20, 2010 04:28 PM
by rjmq06

2

3,089