Threads Tagged with po420

Honda Minivans, Crossovers, and Trucks

2000, 99, air, cap, cat, check, code, crv, engine, filter, gas, gut, honda, p0420, po420

98 CRV need P0420 help

shooter0577 on Jul 3, 2006

Sep 25, 2008 08:55 AM
by shaggyeg6si

7

13,772

2000, catalyst, civic, defouler, efficiency, honda, long, mod, o2, oe, p0420, po420, simulator, system, threshold

did defouler mod for P0420, how long before I can expect the CEL to come back if its going to?

EJ8_Enthusiast on Sep 18, 2008

Sep 18, 2008 07:05 PM
by geebs

1

2,153

2002, 99, acura, civic, code, defouler, honda, integra, o2, p0420, permanently, po420, rid, sensor, tsx

Thinking of defouler mod to rid P0420 - How can I check that the O2 sensor is working?

EJ8_Enthusiast on Sep 16, 2008

Sep 16, 2008 03:55 PM
by slowcivic2k

3

4,594

1996, 99, accord, catalyst, catalytic, civic, code, convertor, diagram, exhaust, honda, hx, odyssey, po420, system, tsb, www1996hondaaccord

Catalytic Convertor

1996hondaaccord on Jul 27, 2008

Aug 9, 2008 03:51 AM
by JDM_DC4_Fanatic

6

1,128

Honda Minivans, Crossovers, and Trucks

2002, 2003, 420, check, civic, code, crv, engine, extender, honda, location, o2, p0420, po420, primary, sensor

2002 CRV Code PO420

neckman on Jun 18, 2008

Aug 7, 2008 09:30 AM
by shaggyeg6si

11

33,144

1996, 1999, 2001, 2004, acura, cheap, civic, code, fixes, honda, odyssey, p0420, po420, problem, tsx

First time civic owner- P0420 with background on car...

00_Civic_EX_Newb on Jul 17, 2008

Jul 22, 2008 09:00 PM
by speedracer9k

10

2,527

1997, 2000, accel, booster, brake, civic, failures, integra, p0420, p28, po420, seafoam, si, stutter, stuttering, stutters, toyota

why is my engine stuttering/hesitating?!?

(

1 2)

typeR#338 on Jun 24, 2008

Jul 18, 2008 08:34 AM
by Devon M

45

3,782

Acura Integra Type-R

2000, 2001, 2003, accord, auto, burning, civic, code, honda, obd, obd2, obdii, oil, p0420, po420, scanner

OBD2 CODE P0420

JDMPHILEP91 on Jul 13, 2008

Jul 15, 2008 07:49 PM
by JDMPHILEP91

18

6,777

catalyst, efficiency, po420, thresholdacura

P0420 Catalyst System Efficiency Below Threshold

nplsdvr on Jun 29, 2008

Jun 29, 2008 02:13 PM
by KJMRide

1

853

1998, 2002, accord, check, code, codes, color, engine, honda, lx, p0420, po420, recall, tech, warranty

Honda Accord LX 1998, P0420 Code

tomasbermeo85 on Jan 4, 2008

May 24, 2008 06:18 AM
by b18crx

3

1,884

1996, 96, accord, cat, code, codep0420, converter, genuine, honda, lx, number, oem, p0420, part, parts, po420

1996 Accord with code p0420- cat converter...help

deblas66 on Mar 19, 2008

Mar 19, 2008 10:32 AM
by deblas66

0

1,038

00, 2003, 240sx, 96, accord, check, civic, code, codehonda, engine, fix, honda, light, p0420, po420, prelude

CHECK ENGINE LIGHT, need help quick. P0420 is the code

96hatchy on Nov 2, 2007

Mar 15, 2008 03:02 PM
by 1990_integra_DA9

9

5,896

bank, bank1, cat, catalyst, civic, code, crb, efficiency, honda, located, p0420, po420, s2000, threshhold, threshold

code p0420 catalyst systen efficiency below threshold [bank 1 ]

poorhonda on Feb 25, 2008

Feb 25, 2008 08:30 PM
by My JDM EJ8

4

3,046

92, 95, accord, code, colors, honda, integra, o2, oem, po420, prelude, sensor, simulator, specs, wire

O2 Specs....

killalude848484 on Feb 5, 2008

Feb 6, 2008 09:53 AM
by Acidcrakker

3

933

Honda Prelude

05027, 2000, cel, civic, connections, cylinder, detected, distributor, honda, lx, misfire, number, oasis, p0420, pinging, po420, recrimp, tsb

2000 civic 1.6L pings, CEL p0420

thetmaxx on Dec 24, 2007

Dec 24, 2007 01:47 PM
by thetmaxx

3

3,620

1998, 2001, 98, accord, cap, cat, code, efficiency, fuel, gas, honda, loose, p0420, p1456, po420, v6

1998 Accord gas cap / P0420 code??

northworm on Nov 9, 2007

Nov 10, 2007 09:24 AM
by Chiovnidca

7

8,128

2000, 98, 98acura, acura, cel, code, gsr, integra, p0420, po420

CEL Code : P0420

Frostwhite_DB8 on Apr 14, 2007

Jun 2, 2007 09:33 AM
by ForceFed Motorsports

14

1,845

0420, 2007, accord, code, codes, honda, p0420, po420

the accord is throwning p0420 code.

accordinglyevil on Mar 30, 2007

Mar 30, 2007 04:54 PM
by accordinglyevil

0

726

2001, 2002, 2003, accord, acura, civic, code, element, engine, honda, integra, mean, odyssey, po420, rsx

Engine Code Po420

AlwayzSpoolin on Mar 18, 2007

Mar 18, 2007 07:56 PM
by 1998b18c1

1

2,168

1999, 420, 99, accord, car, code, diagnostic, honda, po, po420, v6

1999 v6 accord po 420 code

denmick on Jan 4, 2007

Jan 4, 2007 05:07 PM
by smokin151

3

1,362

2000, 2002, 2003, 97, accord, catalyst, cel, civic, cost, efficiency, honda, p0420, po420, system, threshold

CEL: P0420 "Catalyst System Efficiency Below Threshold"

ieatrice on Nov 14, 2006

Nov 14, 2006 12:04 PM
by Relic1

7

1,891

6th, accord, ca, cel, defouler, gen, pass, passing, plug, po420, smog, spark, trick

6th Gen V6: Got CEL, PO420 -- will need to pass CA smog!

piggy on Sep 26, 2006

Sep 26, 2006 12:52 PM
by piggy

0

577

99, accord, cat, catalytic, code, converter, honda, inefficientcy, o2, p0420, po420, v6

99 V6 Catalytic converter code P0420. New cat or new 2nd O2?

kchungb17a on Aug 8, 2006

Aug 8, 2006 07:34 PM
by Chiovnidca

6

939

codes, honda, p0420, p1259, p1457, po420, solenoid, vtec

need help on these ecu codes

gmrnguyen on Jul 26, 2006

Jul 26, 2006 03:50 PM
by bg-33p

3

1,088

2005, accord, ca, california, catalytic, code, converter, eastern, fishbowlcrew, honda, lx, p0420, p1259, po420, smog, texas, ulev

2000 ACCORD LX I-4 ULEV CEL P0420 - How I passed smog in California

fishbowlcrew on Jun 5, 2006

Jun 5, 2006 11:35 AM
by fishbowlcrew

0

4,261

2001, 420, 99, catalyst, civic, efficiency, ej8, honda, hybrid, odyssey, oxygen, po, po420, rsx, sensor, tech, threshold

po420 ej8

another silver ej8 on May 22, 2006

May 24, 2006 12:55 PM
by another silver ej8

8

1,812

02, 98, accord, acoord, bank, catalyst, check, efficiency, engine, fouler, honda, light, p0420, po420, system, threshold

Check engine light on, throwing P0420 on a 98 Accord LX

clawhammer on May 15, 2006

May 16, 2006 09:41 AM
by Ross 2.0

12

2,729

1996, acura, code, codes, engine, honda, integra, ls, p1336, p1337, po420, tl

check engine codes on my ls

96LsBang on May 5, 2006

May 5, 2006 12:18 PM
by purplegsr

6

951