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Threads Tagged with p0420

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1996, 96, 99, civic, diy, dx, g551, ground, honda, lx, p0420, power, problems, window, windows, wire

pwer window and locks ground for 96 civic lx?

donniepadre on Jan 27, 2008

Jun 1, 2023 11:00 AM
by Rellyxonald

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5

4,365

Mechanical Problems & Technical Chat

p0420

P04240 with random misfires

bradc on Apr 15, 2021

Apr 15, 2021 11:46 AM
by bradc

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0

494

Mechanical Problems & Technical Chat

Unhappy

catalityc converter, p0420

2000 civic catalytic converter removal issue

jecivic on May 21, 2018

May 21, 2018 08:24 AM
by jecivic

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0

2,388

Mechanical Problems & Technical Chat

air fuel ratio, back, catalytic converter, civic, fire, honda, ignition, p0420, shuts off

Car Shuts Off - CEL/BATTERY/OIL - Code #P0420

jonericken on Mar 2, 2014

Mar 5, 2014 05:43 PM
by Guzzi1971

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3

4,603

Mechanical Problems & Technical Chat

century, civic, code, honda, p0340, p0341, p0420, trouble

Three CEL Codes: P0340, P0341, P0420

Cata5877 on Sep 17, 2013

Sep 17, 2013 07:57 PM
by Cata5877

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0

4,581

Mechanical Problems & Technical Chat

civic, code, distributor, p0420, replacing

P0420 After Distributor Replacement

99lx on Jul 18, 2013

Jul 18, 2013 01:29 PM
by RonJ

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2

4,446

Mechanical Problems & Technical Chat

02, 420, civic, code, honda, mechanics, p0420, troubleshooting

just bought a used '02 civic...po420 code

kaksgeo on Apr 13, 2013

Apr 13, 2013 06:23 AM
by kaksgeo

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0

1,630

Mechanical Problems & Technical Chat

05, 67, catalyst, catback, caused, cel, check, cherokee, code, engine, grand, hemi, honda, jeep, p0420, rain

Check Engine Light: What do I do for Code P0420?

ptw711 on Oct 2, 2006

Mar 3, 2013 01:36 PM
by Mr. Bojangles

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4

19,840

Header, Intake, & Exhaust

fail, p0420, passed, smog, test

puzzled by p0420 code

just civil on Jan 14, 2013

Jan 17, 2013 08:30 AM
by droopy128

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5

1,035

Mechanical Problems & Technical Chat

Angry

2000, 2003, bad, cat, catalytic converter, civic, diy, fix, forum, honda, o2, o2 sensor, overheat, p0420, sensor

P0420 o2 sensor or cat ??? Please help!!!

maffei34 on Mar 15, 2010

Oct 25, 2012 02:49 PM
by Koko4

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9

62,272

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

5,760

Mechanical Problems & Technical Chat

0420, 98, ash, civic, cng, code, covered, deposits, gx, honda, o2, oxygen, p0420, sensor, stuff, upstream, white

98 civic gx white caked on o2 and clogged cat

skinney on Aug 8, 2012

Aug 9, 2012 07:37 PM
by skinney

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5

2,440

Mechanical Problems & Technical Chat

1998, 2000, 98, bogs, civic, code, codes, hesitation, honda, ii, obd, obd2, p0133, p0420, sluggish, starting, takeoff

OBDII Code and hesitation

ndowens on Jun 14, 2012

Jun 24, 2012 04:45 AM
by ndowens

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6

2,533

Mechanical Problems & Technical Chat

Unhappy

0420, civic, fixed, honda, low, o2, p0420, p1298, prelude, rough, runs, sensor, speeds, stalls, upstream

P0420 and Running Rough at Low RPMs

GrouchoFields on Jun 11, 2012

Jun 13, 2012 06:05 PM
by 2Kcivicguy

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2

5,592

Mechanical Problems & Technical Chat

2000, 70, acceleration, car, cat, civic, cleaned, engine, f150, ford, honda, loses, mph, p0420, poor, reach, red, rich, running

1 Attachment(s)

01 civic, lose acceleration but engine doesn't quit

jpierron on Feb 23, 2012

Feb 26, 2012 12:06 PM
by mk378

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5

12,047

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

4,379

Mechanical Problems & Technical Chat

59, 98, cherokee, grand, p0420

What would you do in my situation?

Sizzlinninja on Dec 9, 2011

Dec 10, 2011 05:36 PM
by 90 Civic

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4

901

General Civic Talk

02, 2003, civic, code, crankshaft, honda, maintenance, missing, p0336, p0420, position, sensor, si, teeth, tooth

P0336 missing tooth?

Tribune on Mar 8, 2011

Mar 8, 2011 11:45 AM
by Tribune

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0

2,832

Mechanical Problems & Technical Chat

1990, 1998, 98, bouncing, civic, fuel, honda, jump, jumping, jumps, p0420, sedan, tach, tachometer

Tach jumps

Slammed98silvercoupe on Dec 27, 2010

Dec 27, 2010 06:32 PM
by DaOne

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3

2,742

Mechanical Problems & Technical Chat

01, 1998, bank, boiling, civic, cracked, driving, honda, overheating, p0420, radiator, reservoir, running, system, water, water pump

1998 Honda Civic driving me insane

seatazzz on Aug 31, 2010

Sep 1, 2010 02:54 PM
by seatazzz

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2

1,896

Mechanical Problems & Technical Chat

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