po420 - AcuraZine - Acura Enthusiast Community - Threads Tagged with po420

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Threads Tagged with po420

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0420, 2005, acura, aftermarket, cleaner, clear, code, converter, flow, fuel, gas, high, higher, injector, octane, p0420, po420, quality, spec, tsx

1 Attachment(s)

Help with P0420 code

kmk42019 on 01-27-2011

02-03-2020 11:28 AM
by ALEMIKA

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28

98,966

1G TSX Problems & Fixes

14, 96, acura, additives, check, engine, fix, gal, gasoline, integra, light, p0420, po420, seafoam, tank, tl, treatment

P0420 caused bu sea foam?

nikkwins on 09-16-2012

09-19-2014 02:41 PM
by YeuEmMaiMai

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15

21,079

3G TL Problems & Fixes

07, 2004, 2005, 35l, accord, acura, code, mdx, p0171, p0174, p0420, p0430, po171, po420, tl

p0420 p0430 p0171 p0174

Chans on 03-09-2014

04-27-2014 10:13 AM
by Chans

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17

9,743

2G RL (2005-2012)

Exclamation

2000, 2002, acura, celica, cl, code, exhaust, gt, leak, p0420, po420, reflashing, rsx, subaru, tl

P0420 will not clear. Need major help please.

RCB1701A on 11-30-2006

07-11-2012 02:51 PM
by dghokie

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22

30,080

1G CL Problems & Fixes

03, 1999, 430, acura, acurazine, code, foam, kn, mdx, p0420, p0430, po420, po430, sea, seafoam, tl

P0420 P0430 codes thrown ...

3GTLCHICK on 06-05-2012

06-15-2012 12:03 AM
by DANELSON

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6

5,188

3G TL Problems & Fixes

2004, 2006, acura, acurazine, cel, code, crv, decipher, honda, mdx, p0420, po420, radio, rsx, tl

Cel p0420

DANELSON on 05-31-2012

06-04-2012 11:36 PM
by DANELSON

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5

2,627

3G TL Problems & Fixes

Unhappy

02, 98, acura, cat, cl, p0141, p0420, po420, power, pre, recline, rl, seat, tl, type

New TL owner list of issues.

jacksonmullet on 01-31-2012

02-01-2012 11:37 AM
by TLer trash

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6

2,616

2G TL (1999-2003)

Unhappy

03, 420, acura, cel, check, cl, code, codes, engine, inspection, light, o2, pass, po420, rdx, rsx, simulators

The dreaded PO420 Check engine light

yankeeacura on 08-20-2011

08-23-2011 02:04 PM
by alexh1266

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3

3,620

2G TL (1999-2003)

1999, 2000, 23, 420, 98, acura, cl, code, control, idle, integra, ls, malfunctio, po420, po505, system

Code PO420 & PO505 1999 acura cl 2.3

lulu10 on 08-10-2011

08-10-2011 11:45 AM
by civicdrivr

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2

3,705

2G CL Problems & Fixes

01, 0420, 2000, 2005, acura, bank, catalytic, code, converter, dopes6070, expensive, location, p0420, po420, rl, rsx, sensor

05 RL 95K miles P0420

Dopes6070 on 01-06-2010

07-07-2011 09:37 PM
by jbirch2000

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7

10,016

2G RL (2005-2012)

06, 1999, 99, acura, acurazine, check, code, dtc, engine, light, mdx, nissan, p0420, po420, tl

check engine light with po420

max1995 on 01-11-2010

05-27-2011 10:58 AM
by 01tl4tl

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11

6,621

2G TL Problems & Fixes

04, acura, cleaning, codes, fuel, injector, o2, p0138, p0139, po139, po420, rsx, sensor, tl, upstream

P0420, p0138, p0139

Toddy on 01-31-2011

02-19-2011 11:40 AM
by mrdrdtl

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8

14,979

3G TL Problems & Fixes

2005, 2007, acura, cat, cats, code, mdx, p0420, po420, rdx, replacement, rl, rreplacement, tl, tsx

P0420 code need cat replacement

hjsmear on 01-12-2011

01-12-2011 01:11 PM
by SharksBreath

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1

2,032

3G TL Problems & Fixes

420, acura, cl, code, codes, de, driller, fouler, install, mdx, plug, po, po420, spark, trick

PO420 code. De-fouler install

jims3.0 on 11-30-2010

12-05-2010 10:08 PM
by jims3.0

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3

9,631

1G CL Problems & Fixes

2001, 2002, 2003, acura, aftermarket, cat, cl, code, codes, defouler, mdx, ntegra, p0420, po420, rl, tl, type

Aftermarket Cat & code P0420

fuzzy02CLS on 10-18-2010

11-12-2010 12:25 PM
by civicdrivr

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8

2,906

2G CL (2001-2003)

06, 2006, acura, acure, autozone, check, code, engine, light, p0420, po420, rdx, sensor, ses, tl

2006 Acura TL Check Engine Light p0420

karcich on 10-04-2010

10-28-2010 07:56 AM
by karcich

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3

26,864

3G TL Problems & Fixes

2004, 23, 98, acura, aftermarket, bank, cat, cl, defouler, degouler, integra, location, o2, p0420, po420, sensor, tl

PO420 - Bank 1....already replaced cat

noobiecl on 08-20-2010

08-26-2010 10:17 PM
by 97BlackAckCL

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7

4,508

1G CL Problems & Fixes

1996, 2006, acura, catalyst, code, efficiency, failure, integra, mdx, nissan, p0420, po420, system, threshold, tl

p0420 Catalyst System Efficiency Below Threshold

lankanboy1 on 09-16-2009

09-21-2009 09:10 PM
by lankanboy1

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18

11,536

3G TL (2004-2008)

00420, 04, 06, 1078, 2004, 2005, 99, acura, code, codes, needed, p0420, pd, po420, tl, tsx

code p0420 2005 Tl :<

lankanboy1 on 06-01-2009

06-01-2009 09:09 AM
by Tumbleweed13

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6

5,204

3G TL (2004-2008)

1999, 23, 99, accura, acura, cl, code, ep3, exhaust, headers, p0420, po420

code po420

checkmate01 on 12-29-2008

01-06-2009 09:38 PM
by CelestialRL05

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5

1,290

1G CL Problems & Fixes

0420, 1998, 1999, 2004, acura, acuracl, cl, code, egr, honda, mdx, p0420, po420, rsx, seafoam, tl

code p0420

JeniferluvsAcuras on 10-14-2008

10-14-2008 10:19 PM
by sbuswell

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3

1,939

2G TL Problems & Fixes

04, 2004, acura, acurazine, aftermarket, alarm, cat, code, false, mdx, p0420, pipes, po420, test, testpipes, tsx

P0420 + aftermarket cat

lcrazyaznl on 05-16-2008

05-17-2008 09:41 AM
by dBski11

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3

2,269

1G TSX Problems & Fixes

1999, 99, acura, cat, cleaner, dtc, fuel, gumout, installation, p0420, po420, regane, rt, system, tl

P0420 code 800 miles after RT Cat install

sbuswell on 02-25-2008

02-26-2008 09:52 PM
by sbuswell

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6

1,772

2G TL (1999-2003)

Thumbs up

2002, acura, boys, carbon, celica, code, dodge, eclipse, mdx, neon, p0420, pep, po420, toyota, vacuum

2 different answers from 2 mechanics

GUnitHonda on 02-15-2008

02-17-2008 10:03 AM
by bRunCL

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8

1,344

1G CL (1997-1999)

2000, 99, acura, cat, cats, code, p0420, po420, pops, random, replaced, tech, technology, tl, vibrate

99 TL changed out Cat - still getting P0420

zboys on 02-09-2007

08-28-2007 02:21 AM
by Gfaze

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10

2,218

2G TL (1999-2003)

1996, 2004, acura, code, eliminator, integra, mil, o420, po420, tl

Code PO420

RhInoSpOrt on 10-10-2006

10-11-2006 06:23 PM
by KrayzieDxC

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2

979

1G TL (1996-1998)

027, 03027, 1999, 2004, acura, check, cl, engine, honda, light, mdx, p0420, po420

SB#03-027: Check Engine Light- P0420

loud_whispers on 01-04-2006

01-04-2006 06:56 PM
by loud_whispers

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0

988

2G TL Problems & Fixes

Exclamation

2005, acura, acurazine, diagnostic, obd, obdp0420, odb, p0420, po420, rsx, tl, tsx

Engine light: OBD P0420

AcuraTL99 on 05-07-2005

05-07-2005 03:09 PM
by Street Spirit

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2

1,004

2G TL (1999-2003)

199, 1999, 2004, 420, acura, catalytic, code, converter, error, fault, p0420, po, po420, rsx, tl

199 TL P0420 Error Code Question.

nicksan on 08-04-2004

08-05-2004 12:59 PM
by TLgunner

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3

1,675

2G TL (1999-2003)

Angry

04, 2004, 420, acura, code, engine, light, mdx, po4020, po420, tl

Check Engine Light Scan Said PO420

em17henry on 05-26-2004

05-27-2004 02:03 PM
by fsttyms1

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8

1,446

2G TL (1999-2003)

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