Threads Tagged with p0420

00, accord, cat, civic, code, converter, cx, eliminator, expensive, factory, fix, honda, magnaflow, o2, p0420

car throwing code p0420

joeli27 on May 31, 2010

May 31, 2010 09:40 PM
by honda_luvr_2000

4

4,371

BT216 on May 26, 2010

May 27, 2010 09:48 AM
by Atomic1

7

1,645

2001, 2003, acura, catalytic, check, civic, cleaner, code, engine, error, gas, give, honda, magnaflow, odyssey, p0420, ridgeline

What Else could be causing a P0420?

Whatislove on May 16, 2010

May 19, 2010 06:50 PM
by Whatislove

10

12,343

acura, changed, distributor, honda, integra, p0420, pilot, rsx

p0420.. searched..posted.. need help desperately!!

jayare05 on May 4, 2010

May 6, 2010 05:14 AM
by CUTTERSPOOL

3

962

accord, bosch, catalytic, change, converter, honda, mdx, o2, oem, p0132, p0420, replace, sensor, tech, threshold

Those old O2 sensor and catalyst issues

extremepenguin on Mar 22, 2010

Apr 21, 2010 02:22 PM
by extremepenguin

4

6,225

0138, accord, autozone, cat, check, civic, clear, code, codes, engine, exhaust, fit, good, honda, leaks, p0420

check engine code # P0420

chad.bawden on Apr 11, 2010

Apr 18, 2010 09:45 AM
by Atomic1

12

17,122

1999, 2000, 97, 99, bank, civic, code, engine, honca, honda, lx, osyssey, p0420, po420, winter

'99 Civic LX P0420 Code

ChuggingAlong on Apr 12, 2010

Apr 12, 2010 07:20 AM
by ChuggingAlong

0

2,793

1994, accord, aftermarket, antifouler, civic, emissions, falls, granite, header, headers, honda, p0420, passing, swapped, trick, tricks

Need help w/passing emissions

easyFOsheezy on Mar 28, 2010

Apr 5, 2010 06:27 PM
by Ruben19

10

4,344

Northwest

2000, acura, catlytic, civic, codes, converter, exhaust, heat, honda, leak, p0420, po420, rsx, sensor, tech, troubleshooting

P0420 code question

Atomic1 on Apr 28, 2009

Apr 4, 2010 04:06 PM
by Scott_Tucker

17

5,158

Tech / Misc

back, bad, cat, catalyst, cel, changed, efficiency, forums, honda, hondatech, p0420, plugs, spark, system, threshold, throw

New Cat and still having CEL

tlsole on Apr 2, 2010

Apr 3, 2010 03:32 PM
by Avidyn

7

2,009

back, bad, cat, catalytic, clean, converter, exhaust, honda, make, muffler, o2, oddessy, p0420, remove, sensor

Will a cat-back exhaust fix P0420?

rowo87 on Mar 28, 2010

Mar 31, 2010 10:38 PM
by It Wasn't Me

8

4,198

2003, 2006, ai4xxg6, as1025, cat, code, codes, forum, honda, p0420, precision, ridgeline, rsx, tech, warranty

P0420 Code... So, I need a new cat.

thewrai6th on Feb 9, 2010

Mar 1, 2010 10:29 PM
by Hektik Photography

11

2,064

accord, autozone, bad, cat, club, defouler, diy, honda, o2, p0420, post, primary, rsx, sensor, trick

Defouler Question

PPWLUDE on Feb 22, 2010

Feb 24, 2010 11:21 PM
by Fallout

16

8,165

clip, code, codes, enginecide, error, hinda, honda, hybrid, mil, p0420, p420, paper, pilot, prelude, pull, trouble

P0420 - How to proceed?

cylord on Jan 21, 2010

Feb 21, 2010 02:21 PM
by TruNinja619

5

1,988

Honda Prelude

2000, 99, accord, catalyst, code, fix, honda, location, o2, obd, odyssey, oxygen, p0420, reader, sensor

2000 honda odyssey with p0420 code

sony224422 on Apr 6, 2008

Feb 20, 2010 08:26 PM
by wendyma01

12

45,206

1998, 98, accord, cel, cell, check, civic, code, distributor, ecu, engine, fill, honda, light, p0420, prelude, turned

Stumped... CEL code P0420

heyfunny on Jan 18, 2010

Feb 6, 2010 02:45 PM
by heyfunny

4

2,246

Honda Minivans, Crossovers, and Trucks

2003, acura, check, code, codes, crv, engine, error, honda, light, p0420, p0845, part, rsx, tl, trouble

2003 CRV with P0845 and P0420 code

chong67 on Jan 24, 2010

Jan 24, 2010 02:20 PM
by chong67

0

5,055

10, 1992, bay, blinks, engine, honda, jumps, light, maintence, misfiring, p0420, prelude, tach, times, wash

check engine light blinking

rjnyc on Jan 17, 2010

Jan 18, 2010 10:43 AM
by meandino

4

7,420

02, 2000, 2002, 2003, acura, catalytic, civic, code, converter, crv, honda, hybrid, p0420, p1298, rsx

2002 civic ex P1298 & P0420

woodwardba0526 on Jan 8, 2010

Jan 15, 2010 10:33 AM
by woodwardba0526

7

9,777

Back pressure??

00EckoSI on Jan 12, 2010

Jan 14, 2010 09:15 AM
by newtron63h

23

2,320

Honda Accord & Crosstour (2003 - 2012)

04, 2001, 2003, accord, acura, catalyst, code, efficiency, federal, honda, p0420, rl, system, threshold, warranties

04 accord 5-manual, code p0420

adorek24 on Dec 29, 2009

Jan 11, 2010 09:26 AM
by adorek24

5

7,195

2001, 2003, accord, acura, civic, code, honda, integra, malfunction, mdx, p0420, pilot, po420, rl, tech

Dealer Claims P0420 code was a fuel problem.

cdogmck on Jan 8, 2010

Jan 8, 2010 09:22 AM
by cdogmck

0

1,510

Honda Fit

1996, 2001, 2002, accord, acura, civic, code, coupe, honda, odyssey, p0420, p1738, prelude, tl, year

P0420 and P1738 Engine code..

runtohell121 on Dec 1, 2009

Dec 5, 2009 09:02 PM
by runtohell121

9

12,932

Honda Minivans, Crossovers, and Trucks

2001, 2005, accord, bulletin, check, civic, code, codes, crv, engine, honda, light, odyssey, p0420, p1298, service

2002 P1298 and P0420 Codes

tedj1957 on Nov 22, 2009

Nov 29, 2009 08:02 AM
by tedj1957

2

8,936

16, 1990, 2000, 2002, cat, civic, code, gutted, honda, limb, limp, mode, p0420, po420, put

2000 civic ex limp mode

skaternak on Nov 27, 2009

Nov 27, 2009 02:33 PM
by FearTheH

1

4,159

0420, 2001, 2002, 98, catalyst, civic, code, honda, lx, p0420, po420, system

got the code "P0420" someone help !

Sick CiviC EX on Oct 21, 2009

Oct 21, 2009 05:19 PM
by 2kcoupedude

2

2,606

2001, 2003, 420, accord, car, civic, code, gasket, head, honda, leak, p0420, p420, po, prelude, stalling

P0420 code.... influenced by headgasket leak?

ffspiel on Oct 18, 2009

Oct 20, 2009 07:57 AM
by FraDaddy

1

5,349

01, 060, 2000, 99, acceleration, code, floor, gsr, honda, integra, p0420, p1259, prelude, purchasing, sleeved

Possibly Buying a 2000 GSR

(

1 2)

LJG33 on Oct 5, 2009

Oct 9, 2009 05:19 AM
by JdmTypeRdc2

35

2,679