p0420 - Honda Civic Forum - Threads Tagged with p0420

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Honda Civic Forum

2006, catalytic, o2 sensor, oxygen, p0420

220k Civic 06 LX P0420 Scan Readings

chikashakya on 02-10-2024

02-13-2024
by Colin42

6

129

Engine

P0420 from a Cold air intake

Beleux on 06-09-2022

09-13-2022
by Colin42

5

1,002

Engine

Sticky

Is your Check Engine Light, SRS Light, Or ABS Light On? If so, Please Read

(

1 2)

streetglower on 08-14-2005

06-14-2019
by BrotatoChip

47

430,319

Mechanical Problems/Vehicle Issues and Fix-it Forum

P0420 Code reading

Lordscivic on 03-26-2014

03-26-2014
by ezone

2

2,335

Mechanical Problems/Vehicle Issues and Fix-it Forum

17, adapters, antifoul, civic, code, codes, honda, lean, o2code, p0420, vtec

P0420 Code that won't go away. HELP PLEASE!!!!!

emilyejj on 08-24-2013

02-28-2014
by Bricktop ivi

8

10,868

Mechanical Problems/Vehicle Issues and Fix-it Forum

Scan code P0420 01/01

Jessereinosas on 02-18-2014

02-18-2014
by ezone

1

2,433

Mechanical Problems/Vehicle Issues and Fix-it Forum

catalitic, catalytic, civic, code, codes, converter, em2, honda, misfire, multiple, o2, p0300, p0420, sensor, si

Multiple P0300 codes (misfires) and P0420 (catalytic converter)

semvhu on 11-14-2013

12-12-2013
by ezone

10

32,729

7th Generation Civic 2001 - 2005

2000, 2007, 99, civic, code, engine, fix, honda, lx, obd, p0420, p0420p0430, p0430, p0706, si

Troubleshoot Check Engine Light; Codes P0420,P0430, P0706 Need advice!

MrClueless on 10-25-2013

10-25-2013
by ezone

1

4,455

Mechanical Problems/Vehicle Issues and Fix-it Forum

2001, 2002, 427, civic, data, dtcfrzf, efficiancy, frame, freeze, honda, information, injector, p0420, reading, scanner, si

Freeze Frame data, any ideas?

(

1 2)

civic10ex on 03-10-2012

09-28-2013
by civic10ex

40

13,792

Mechanical Problems/Vehicle Issues and Fix-it Forum

back, came, check, civic, engine, flashing, fuse, gas, higher, honda, light, octane, on, p0420, p1361, p2646, pulled

Sticky

If You Are Having Car Problems And Your Check Engine Light Is On, Please Read This!!!

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1 2)

streetglower on 10-30-2005

09-06-2013
by UNKNOWN414

36

36,187

Engine DIY

delete

hondaguy2582 on 07-20-2013

08-08-2013
by jess21

1

868

Mechanical Problems/Vehicle Issues and Fix-it Forum

02, 2001, 2002, 2003, civic, code, codes, detector, electronic, honda, load, location, p0420, p1298, p1361, trouble

2002 Civic Ex Stalls Codes P1361 & P1298

ykf7b0 on 06-06-2013

06-08-2013
by ykf7b0

2

14,765

Mechanical Problems/Vehicle Issues and Fix-it Forum

91, acceleration, cat, civic, clogged, honda, p0420, po420, slow, start

CEL P0420, cat clogged or below efficiency?

got2run5 on 06-04-2013

06-04-2013
by got2run5

2

2,064

Mechanical Problems/Vehicle Issues and Fix-it Forum

0420, 2005, civic, code, honda, intermittent, p0420, stumbling

CE code P0420 but have not cat???

jmars808 on 05-11-2013

06-01-2013
by ezone

26

3,485

7th Generation Civic 2001 - 2005

2001, 99, aftermarket, cat, cel, civic, code, codes, engine, forum, header, honda, install, light, p0133, p0420, retrieval

2001 Honda Civic P0133 and P0420 CEL codes after switching air intake to stock

greeni70 on 03-04-2013

03-17-2013
by Matt_75

19

6,936

Mechanical Problems/Vehicle Issues and Fix-it Forum

2000, 2002, 99, back, ca, civic, cleared, code, codes, honda, p0240, p0420, pass, pending, si, smog

98 Civic LX: P0240 code and smog (CA)

Brandon04GT on 03-11-2013

03-14-2013
by Brandon04GT

14

4,489

Mechanical Problems/Vehicle Issues and Fix-it Forum

01, 2005, 2007, civic, code, codes, engine, honda, o2, obd, obd2, p0420, pics, po420, sensor

P0420 and P0420PD OBDII Codes

EarthCanBeMoved on 07-09-2009

12-21-2012
by Rep da 808

7

13,248

7th Generation Civic 2001 - 2005

03, 10, 2002, 2004, 7th, change, civic, fine, gas, hight, honda, loss, mod, noise, octane, p0420, po420, power, problem, runs

P0420 - What is the next step?

Phizy on 10-16-2012

10-17-2012
by Phizy

7

2,239

Mechanical Problems/Vehicle Issues and Fix-it Forum

2003, 2008, cat, catalytic, civic, code, converter, fouler, honda, magnaflow, mahnaflow, o2, p0420, po420, problems

Dreaded P0420 Code with new Magnaflow Cat. Converter!

WKD DRGN on 08-07-2012

08-12-2012
by asianboy781

4

6,597

Mechanical Problems/Vehicle Issues and Fix-it Forum

99, back, body, civic, code, disconnected, honda, idle, jump, p0420, p0505, reprogram, rough, si, throttle, tps

99 civic si idle problem

1999CivicSi on 06-15-2012

06-16-2012
by 1999CivicSi

9

18,654

General Automotive Discussion

02, 0420, cell, check, civic, clear, engine, formula, guaranteed, honda, light, p0420, p420, pass, pcv, seafoam, sensor

Check Engine Light P0420 Help! <-- Car Illiterate

gdubb85 on 03-11-2012

05-21-2012
by odncr

7

17,948

Fuel, Oil, Cleaners & Other Maintenance

02, 2000, 2002, 2004, cel, check, civic, clear, code, engine, fix, honda, light, lx, p0420, replacing, sensor

02 Honda Civic P0420 Code

javiertololo on 01-06-2012

05-03-2012
by ezone

20

40,369

Mechanical Problems/Vehicle Issues and Fix-it Forum

2003, 7th, civic, code, cost, engine, gasket, generation, head, headgasket, honda, issue, missing, p0420, p2646, replacement

P2646 After Head gasket replacement

jnlzr on 10-08-2011

04-17-2012
by jnlzr

10

8,086

Mechanical Problems/Vehicle Issues and Fix-it Forum

2005, change, civic, code, ep3, experience, fuel, honda, injector, oil, p0420, plugs, replacement, spark, transmission, work

Help needed - P0420 after maintenance

yogeshsr on 04-04-2012

04-13-2012
by ezone

28

8,539

7th Generation Civic 2001 - 2005

156k, 2000, 98, accord, auto, bangs, belt, civic, cose, f23, gear, holding, honda, p0420, power, timing, trans

Pleas help need advice before i make a purchase!!

DavidRey on 03-15-2012

03-18-2012
by DavidRey

5

1,260

6th Generation Civic 1996 - 2000

02, 03, 17, 2001, 2002, civic, cost, gas, honda, milage, p0420, p0420honda, p1298, p1298p0420codes, si

P1298 and P0420

tgraves1217 on 03-13-2012

03-13-2012
by tgraves1217

0

3,272

Mechanical Problems/Vehicle Issues and Fix-it Forum

2004, 2005, 2008, 98, 99, civic, code, gas, good, honda, hybrid, mileage, odyssey, p0420, repair

P0420 code

giorgiolouis on 02-21-2012

02-21-2012
by ezone

1

2,120

8th & 9th Generation Civic 2006 - 2015

2000, 99, cat, civc, civic, code, dx, eld, engine, honda, p0420, p1381, po420, stupid, tuneup, wont

Need some help with a 99 civic I bought.

hawkijustin on 02-14-2012

02-14-2012
by hawkijustin

0

1,262

Mechanical Problems/Vehicle Issues and Fix-it Forum

2000, 2001, 2003, accord, auto, bank1, cat, civic, cost, egr, honda, location, lx, p0420, replace, sensor, valve

MEGA problems - Need to swap CAT

dustysaw on 02-02-2012

02-13-2012
by lazlong

16

2,161

Mechanical Problems/Vehicle Issues and Fix-it Forum

01, 03, 2003, 2005, 420, civic, code, engine, honda, lx, overheated, overheating, overheats, p0420, p420, problems

2003 EX overheat and p420 code

b715423 on 02-07-2012

02-08-2012
by 04 Honda Civic

2

2,203

Mechanical Problems/Vehicle Issues and Fix-it Forum