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Threads Tagged with p0420

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Honda Civic Forum

2001, 7th, cel, civic, cold, cylinder, dtc, flashing, honda, misfire, multiple, p0300, p0302, p0303, p0420, seafoam

One last ditch effort to fix my '01 EX, any help is appreciated! FIXED!!!!

DannyK35 on 08-26-2008

11-07-2008
by Krieger

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29

3,482

Mechanical Problems/Vehicle Issues and Fix-it Forum

2005, change, civic, flat, honda, light, mechanical, mod, motor, o2, p0420, rate, replaced, sensor, starter, wont

$500 to replace o2 sensor???

jester458 on 01-16-2007

08-17-2008
by ugabuga

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13

2,004

Mechanical Problems/Vehicle Issues and Fix-it Forum

2001, 2002, 2006, 2007, catalytic, civic, converter, forum, honda, location, p0420, problems, sale, si, wanted

WTB: Catalytic Converter

xRiCeBoYx on 09-18-2007

01-29-2008
by ultimatedbz

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5

1,637

Archive - Vehicles for Sale/Wanted

1999, 2002, 2008, 99, cat, catalyic, civic, code, converter, engine, honda, loud, noise, p0420, rattling, sound

rattling noise from cat converter

dazzy999 on 01-08-2008

01-14-2008
by dazzy999

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15

6,218

Bolt-on Engine Performance

04, 0420, 05, 2000, 2004, cel, civic, code, fix, honda, mechanical, mil, p0420, po420, s2000

CEL on, P0420 Code threw

diskreet on 01-04-2007

01-08-2007
by diskreet

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2

1,358

Mechanical Problems/Vehicle Issues and Fix-it Forum

body, car, civic, cleaning, clear, code, converter, fix, honda, o2, p0302, p0420, p0420code, po420, sensor, throtle, tune

P0420 CODE and O2 sensor conneced?

Boods on 07-19-2006

07-19-2006
by streetglower

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1

1,192

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, 96, body, civic, clean, cleaning, code, dirty, honda, o2, p0420, po420, sensor, si, spacer, throttle, throttlebody

P0420 CODE and O2 sensor conneced?

Boods on 07-19-2006

07-19-2006
by Boods

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0

998

Mechanical Problems/Vehicle Issues and Fix-it Forum

01, 04, 1999, 2000, 2001, 2003, civic, code, cost, honda, lx, obd, p0420, po420, si

P0420

gillio215 on 06-04-2006

06-04-2006
by gillio215

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0

3,868

Mechanical Problems/Vehicle Issues and Fix-it Forum

2004, catalyst, catalytic, civic, code, cure, dtc, efficiency, honda, jo, obd, obd2, p0420, picture, system, threshold

1 Attachment(s)

OBD2 code: P0420 Catalyst System Efficiency Below Threshold

04_CIVIC_HFP on 04-30-2006

05-15-2006
by 04_CIVIC_HFP

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12

3,105

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, buy, casper, caspers, civic, electronics, h22, honda, o2, p0420, sensor, si, sim, sims, simulator

What does the Caspers O2 sim do?

Hawaiian_Built on 09-15-2005

09-15-2005
by ctv

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5

2,589

Bolt-on Engine Performance

1259, 1298, 2001, 2002, cel, civic, code, codes, error, fix, honda, mal, p0420, p1259, p1298, p1298p0420, system, vtec

three codes on 2001 civic ex

crizoss on 09-04-2005

09-04-2005
by streetglower

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2

2,492

Mechanical Problems/Vehicle Issues and Fix-it Forum

Question

04, 2004, bank1, catalyst, civic, coroa, driving, efficiency, evo, honda, obd, p0420, procedures, readiness, system, threshold

2003 EX CP - P0420 Catalyst System Efficiency Below Threshold (Bank 1)????????

puffdaddy411 on 08-24-2005

09-01-2005
by puffdaddy411

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18

14,791

Mechanical Problems/Vehicle Issues and Fix-it Forum

Cool

civic, code, hx, p0420

01 Civic HX

01hx5 on 08-02-2005

08-03-2005
by robbclark1

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1

591

General Automotive Discussion

change, check, civic, code, exhaust, light, p0420, po420

Engine Light On with different Exhaust Tone

2000IndigoX on 06-13-2004

06-18-2004
by 2000IndigoX

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6

1,035

Mechanical Problems/Vehicle Issues and Fix-it Forum

97, civic, honda, p0420, tec

Tech question on 97 civic

pdxbiker on 12-19-2002

12-20-2002
by 666

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1

510

General Honda Civic Forum Archive.

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