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Threads Tagged with po420

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civic, code, honda, po420

08 civic coupe ex-l po420 code HELP!

ericmdiaz89 on Mar 18, 2014

Mar 18, 2014 04:21 PM
by itburnswhenIP

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1

2,331

Mechanical Problems & Technical Chat

2000, 2007, bad, california, catalytic, civic, code, converter, defouler, honda, odyssey, p0420, po420, smog, trick

Error P0420 Need New Catalytic Converter in CA

pooch555 on Mar 10, 2012

Oct 22, 2012 01:58 PM
by genewiedenbeck

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6

5,855

Mechanical Problems & Technical Chat

1998, 2010, bad, cat, civic, code, fine, gas, good, honda, jetta, milage, mileage, mpg, p0420, po420, runs

P0420 code and bad gas mileage

scarykid on Dec 13, 2011

Jan 2, 2012 05:51 PM
by Slammed98silvercoupe

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3

4,431

Mechanical Problems & Technical Chat

1997, 420, car, civic, code, codes, days, hoda, honda, hx, p0420, po420, rainy, stall, troubleshooting

PO420 trouble code help

shahanaz on May 23, 2010

May 23, 2010 08:46 PM
by RonJ

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1

1,815

Mechanical Problems & Technical Chat

98, changing, civic, code, engine, fix, forum, honda, o2, p0420, po420, primary, secondary, sensor, war

p0420

az321 on May 5, 2010

May 6, 2010 06:31 AM
by RonJ

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4

3,468

Mechanical Problems & Technical Chat

1998, bad, civic, honda, icm, idle, low, noise, p0420, po420, start

Help: P0420

michael.allen on Apr 8, 2009

Apr 16, 2009 05:50 PM
by michael.allen

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9

1,197

Mechanical Problems & Technical Chat

99, bad, cat, civic, civics, clear, code, conv, crv, error, fuse, honda, p0420, po420, signs

Cat Conv error code Help

dkyer420 on Oct 23, 2008

Apr 12, 2009 12:56 PM
by bradf_nc

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6

1,486

Mechanical Problems & Technical Chat

1, bank, cat, catalyst, civic, efficiency, effieciencey, emission, honda, p0420, po420, sys, system, test, threshold

P0420 - Catalyst System Efficiency Below Threshold (Bank 1) help

DannyLB on Mar 17, 2009

Mar 17, 2009 03:59 PM
by lowlife9

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3

14,353

Header, Intake, & Exhaust

0420, 2001, car, civic, code, engine, fuel, honda, humming, ignition, noise, p0420, po420, pump, rear, sparkplug, stalls, start, wont

P0420 help

slkric on Jan 15, 2009

Jan 16, 2009 12:33 PM
by slkric

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4

2,561

Mechanical Problems & Technical Chat

Unhappy

02, 2001, 96, civic, code, cycle, defouler, drive, fix, honda, o2, p0420, p420, po420, simulator, trick

P0420 is driving me nuts

MoMoney on Aug 24, 2008

Aug 24, 2008 08:46 PM
by MoMoney

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0

1,012

Mechanical Problems & Technical Chat

00, 2000, 2007, 2008, catalitic, catalytic, cec, civic, converter, honda, po420, problem, problems, recall, troubleshooting, warranty

catalytic converter problems

frickdoginva on Jan 14, 2008

Jan 14, 2008 07:38 PM
by RonJ

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1

4,263

Mechanical Problems & Technical Chat

b16a2, civic, code, forum, honda, p0420, po420

ANOTHER PO420

(

Multi-page thread

1 2)

tjgrey on Mar 24, 2007

Mar 28, 2007 08:00 PM
by mrkbnt

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16

3,330

Header, Intake, & Exhaust

01, 02, bank, cel, civic, code, crv, forum, honda, ny, p04020, p04020civicturn, p04020codehondacivic, po420, reset, rochester

P04020

cards89 on Dec 17, 2006

Dec 19, 2006 09:50 PM
by cards89

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4

4,023

Mechanical Problems & Technical Chat

135, 1997, car, circuit, civic, code, heater, honda, make, malfunction, o2sensor, po, po135, po420, set, start

1997 civic will not start (PO135)

breaux371 on Oct 24, 2006

Oct 24, 2006 08:49 PM
by AgentofDarkness

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1

1,812

Mechanical Problems & Technical Chat

04, 1997, 2004, 2006, 98, catalyst, civic, code, efficiency, engine, honda, location, p0240, p0420, p420, po420, system, threshold

Code P0420????

hans747 on Jul 29, 2004

Sep 29, 2006 10:09 PM
by HARI.

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2

3,553

Mechanical Problems & Technical Chat

1996, 2006, 420, autozone, check, civic, code, engine, front, honda, light, p0420, po420, rear, sensor

check engine lite on, code PO420 need help

johhny b on Mar 25, 2006

Mar 29, 2006 12:05 PM
by johhny b

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8

3,609

Mechanical Problems & Technical Chat

02, cat, civic, code, diagnostic, effects, engine, gas, honda, inefficient, lx, mileage, p0420, po420, rough, running

Engine code P0420

kjreinha on Jan 4, 2006

Jan 5, 2006 04:32 PM
by Chimera02EX

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8

8,269

ECU Tuning & Fuel Management

0420, 2004, 2005, check, civic, code, engine, honda, hybird, light, number, oem, p0420, po420, si

Need help with code p0420

importcivicus on Jul 1, 2005

Jul 3, 2005 11:36 AM
by importcivicus

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7

3,196

ECU Tuning & Fuel Management

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