p0420 - Honda Accord Forum - Honda Accord Enthusiast Forums - Threads Tagged with p0420

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Threads Tagged with p0420

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Threads Tagged with p0420

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Question

cel, clear, p0420, scanner

cannot clear CEL with scanner

kasdorfmisc on Jun 14, 2020

Jun 15, 2020 12:18 PM
by The Toecutter

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5

778

General Tech Help

Exclamation

2007, accord, coupe, p0128, p0420

2007 Honda Accord Coupe - P0420 and P0128

SamSlaught on Jun 3, 2019

Jul 10, 2019 12:47 PM
by The Toecutter

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6

3,781

General Tech Help

1999, 2001, accord, catalyst, catalytic, catylist, celica, converter, efficiency, egr, honda, lx, p0420, performance, repair, threshhold, threshold, toyota

Catalyst Efficiency Below Threshold--

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Multi-page thread

1 2)

Campbell1205 on May 15, 2008

Dec 23, 2016 10:13 AM
by Frugalhondaguy

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13

14,667

General Tech Help

0420, 1997, 1998, accord, accrd, clear, code, codes, dtc, gas, honda, lx, p0420, reads, smell, ventilation

1998 Honda Accord LX DTC code P0420

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Multi-page thread

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rockhoundrob on May 1, 2012

Apr 1, 2015 10:08 AM
by jolpot

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41

38,466

General Tech Help

2006, 30l, accord, acura, code, codes, engine, honda, light, mdx, p0420, p0430, time, v4, v6

P0420 AND P0430 At the same Time

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Multi-page thread

1 2)

R.A.D. on Apr 29, 2014

May 4, 2014 11:23 PM
by PAhonda

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10

23,514

General Tech Help

Exclamation

2007, accord, honda, inspection, o2, p0141, p0420, pass, replacing, secondary, youtube

I need help to pass inspection in TX P0420 and P0141

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Multi-page thread

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VPofOperations on Mar 18, 2014

Mar 27, 2014 01:02 PM
by VPofOperations

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12

20,028

General Tech Help

06, 1994, 2006, accord, andp0171, bad, code, codes, honda, maf, p0171, p0420, p0420p0171, po171, po420

2 Attachment(s)

2006 Accord SE Codes P0420 & P0171

Brad6251 on Mar 5, 2014

Mar 6, 2014 03:45 PM
by Brad6251

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3

23,353

General Tech Help

Question

0138, 0139, 2006, acura, cel, code, mdx, p0420

P0420 Code on 2006 Accord

jd2006 on Feb 13, 2014

Feb 16, 2014 10:41 AM
by TexasHonda

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3

18,045

Headers, Intake, & Exhaust

2000, 2006, 36532raaa02, accord, call, check, code, codes, denso, engine, honda, light, oem, p0141, p0420, wrong

2006 Accord Engine light codes p0141 and p0420

anticrom on May 11, 2012

Aug 3, 2013 10:20 AM
by anticrom

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8

25,688

General Tech Help

03, 2007, accord, cat, catalytic, catayltic, code, converter, heat, honda, p0420, probable, responsible, shield, start

3 Attachment(s)

Signs you need a new catalytic converter when you get a P0420 code (with pics)

mamtsberg on Sep 27, 2012

May 27, 2013 01:55 PM
by mamtsberg

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3

21,310

General Tech Help

0136, 0420, 2007, accord, check, code, codes, engine, error, honda, p0420

2007 Honda Accord P0420 error code

steinberg on May 26, 2013

May 27, 2013 12:26 AM
by WheelBrokerAng

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3

10,891

General Tech Help

accord, codes, emission, emissions, failed, honda, p0401, p0420, p1457

Failed emissions with codes

Maxtor on May 24, 2013

May 24, 2013 08:36 PM
by Maxtor

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2

2,738

General Tech Help

07honda, 2005, 2007, 30, 30l, accord, acord, code, fix, honda, p0420, p420, po420, sensor, vtec

Code P0420 - What fixed your issue?

5.0stang on Apr 29, 2013

Apr 30, 2013 06:19 PM
by TexasHonda

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9

22,221

General Tech Help

accord, bad, catalytic, code, converter, exhaust, headers, honda, long, p0133, p0420, po133, po420, smokey, speed, throw, tube

P0420 and P0133 codes

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Multi-page thread

1 2)

Dakota21601 on Mar 23, 2013

Mar 26, 2013 09:12 AM
by firefighter44

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13

10,556

General Tech Help

2003, 2007, 2013, 611, 99, abs, accord, car, code, fillup, gas, honda, lx, obd, p0420, reader

P0420 code at certain fuel tank levels??

smitty2919 on Feb 25, 2013

Mar 16, 2013 10:17 AM
by khalilberry

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6

9,501

Engine & Internal

2007, 24l, accord, blinking, car, catalytic, code, converter, cost, feels, honda, indicator, lamp, light, malfunction, p0420, weak

P0420-but unsure of diagnosis

Kevinm on Feb 2, 2013

Feb 3, 2013 08:34 AM
by TexasHonda

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1

2,948

General Tech Help

2007, accord, catalytic, check, code, days, engine, gos, honda, intermittent, light, p0420, powered, turns, vbulletin

Intermittent Check Engine Light P0420

jiggygad on Nov 17, 2012

Nov 18, 2012 10:22 AM
by poorman212

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1

11,172

Headers, Intake, & Exhaust

06, 2001, accord, code, f23a4, fix, flex, honda, obd, p0135, p0420, p1739, pipe, po135, se

3 Attachment(s)

Help with ODM Code P0420, P0135 and P1739

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Multi-page thread

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Atl.runner84 on Oct 15, 2012

Oct 20, 2012 08:44 AM
by Atl.runner84

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13

22,910

General Tech Help

2001, accord, bank, code, common, cylinder, flex, fuse, honda, leaky, p0420, pipe, po420, problem, throwing

2 Attachment(s)

P0420 fixed no back - 2001 Accord EX

mamtsberg on Sep 26, 2012

Oct 1, 2012 08:53 AM
by JimBlake

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6

4,886

General Tech Help

2001, 4cyl, 98, accord, cat, control, converterguyscom, emission, evaporation, flex, forum, honda, p0420, pipe, rattle, selanoid, tech

1 Attachment(s)

2001 Accord P0420 CEL code - not P0459

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Multi-page thread

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mamtsberg on Sep 15, 2012

Sep 20, 2012 06:10 PM
by poorman212

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12

5,995

General Tech Help

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