p0420 - EvolutionM - Mitsubishi Lancer and Lancer Evolution Community - Threads Tagged with p0420

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18mm, anti, antifouler, bank, code, deep, emission, engine, evo, evom, foulers, is300, lexus, p0420, pass

P0420 cel

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Raikiri on May 3, 2009

Dec 21, 2009 10:41 PM
by Raikiri

43

6,379

04-06 Ralliart General

2005, aem, check, emissions, engine, evo, intake, is300, ix, light, p0420, passat, pipe, rains, service, test, turns, vw

check engine light comes on sometimes?

speedfreak24 on Dec 5, 2009

Dec 6, 2009 12:44 AM
by SmurfZilla

7

3,546

Evo General

boost, cobb, code, cost, custom, disabling, ecuflash, evo, overboosting, p0420, pill, po420, removal, solve, tune

Cobb AP: Best way to solve this without Custom Tune

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1 2)

evoxkrazy on Nov 15, 2009

Dec 2, 2009 05:34 PM
by darthvader

24

4,453

Evo X Engine Management / Tuning Forums

05, 2006, 280, code, creader, engine, evo, firing, g6, gt, mis, miss, multi, p0300, p0420, tune, zx

Miss firing in multiple cyclinders

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1 2)

DC2toEVO8 on Nov 27, 2007

Nov 23, 2009 08:37 PM
by huevosrancheros

28

2,567

Evo Engine / Turbo / Drivetrain

2003, air, camry, code, delete, evo, evolution, forum, fuel, lancer, p0420, ratio, sensor, size, thread

Can P0420 error code be caused by air/fuel ratio gauge?

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1 2)

dvd_mi on Oct 26, 2009

Nov 5, 2009 09:41 AM
by EVOGXR

17

4,264

Evo Engine / Turbo / Drivetrain

anti, antifouler, antifoulers, bung, code, disable, evo, evolutionm, fouler, illegal, p0420, pipe, purchase, test, utec

P0420 antifouler question & code clearing?

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1 2)

goofygrin on Sep 15, 2008

Oct 4, 2009 06:05 PM
by atduly

20

5,219

Evo X Engine / Turbo / Drivetrain

0300, 0420, bypass, cel, code, codes, engine, evo, evolution, lancer, mitsubishi, obd2, p0300, p0420, tips

cel codes p0300 and p0420

vassago on Sep 24, 2009

Sep 26, 2009 07:05 AM
by delongedoug

2

1,662

Evo Engine / Turbo / Drivetrain

02, bung, evo, exhaust, fix, installed, o2 sensor, p0420, pipe, sensor, test, wideband

Anyone Have any trouble with UR Test pipe with the wideband blug?

chris1012008 on Sep 4, 2009

Sep 8, 2009 01:45 PM
by Euripides

5

792

09+ Ralliart Engine/Turbo/Drivetrain

2003, 2004, 3, code, ecu, evo, evolution, exhaust, fix, forum, lancer, mitsubishi, p0420, po420, viii

HELP!!!! ECU code: p0420

MicRX on Aug 13, 2009

Aug 14, 2009 06:09 AM
by zeus1

4

2,474

Evo General

code, disable, evo, evom, gas, ix, leaded, occasional, p0420, po420, racing, running

P0420 after running race gas mix...

raasfaas on Jun 24, 2009

Jun 24, 2009 10:02 PM
by raasfaas

5

1,065

Evo Engine / Turbo / Drivetrain

circuit, cobb, engine, evo, gsr, net, p0420, pipe, po420, service, speed, speedcircuit, stage, test, uicp

P0420 Code with Speed Circuit Test Pipe??

criptballer on Apr 26, 2009

May 11, 2009 10:43 AM
by Boostd4

5

3,925

Evo X Engine / Turbo / Drivetrain

2004, case, e85, engine, evo, evolution, fix, p0171, p0420, po171, relearn, srt, srt4, start, supercharged

P0171=help!

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SRT-TO-EVO on Dec 16, 2008

May 11, 2009 08:15 AM
by SuperchargedGTZ

39

5,776

Evo Engine / Turbo / Drivetrain

back, cat, catalytic, code, converter, evo, exhaust, ix, muffler, oem, p0420, picture, sale, spec, stock

Pic Request of Stock Evo IX exhaust

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icrnk on Apr 6, 2009

Apr 10, 2009 05:45 PM
by icrnk

24

7,697

Evo General

aviator, bank, cam, circut, dtc, evo, lancer, lincoln, misfire, p0300, p0335, p0340, p0420, position, related, sensor, single

could these four codes be related?

blackblaze427 on Feb 22, 2009

Feb 23, 2009 04:37 PM
by boosstboy

3

1,252

Evo Engine / Turbo / Drivetrain

2006, bank1, code, evo, evolution, fix, gsr, how, ix, mitsubishi, o2, p0420, po420, rear, sensor

How to fix p0420 code

monkeyevo on Feb 20, 2009

Feb 20, 2009 02:47 AM
by mitdrx

5

9,210

Evo Engine / Turbo / Drivetrain

1, altima, bank, catalyst, code, efficiency, evo, ix, nissan, p0420, po420, sentra, system, threshhold, threshold

code P0420 Catalyst System Efficiency Below Threshold (Bank 1)

gqcode on Jan 27, 2009

Jan 29, 2009 05:11 AM
by gqcode

4

14,961

EvoM New Member / FAQs / EvoM Rules

2003, 98, check, cold, cycle, drive, eagle, emission, emissions, evolution, honda, lancer, p0420, pass, smog, talon, test

P0420 And Emissions Testing

chmodlf on Dec 14, 2008

Dec 14, 2008 09:42 AM
by burninrubb24

5

2,408

Evo Engine / Turbo / Drivetrain

2000, 2006, 350z, bad, catalytic, evo, gas, ix, lexus, mr, p0420, plug, rx300, spark, threshold, vw

P0420 code.....possible causes?

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Dr.Sound on Jun 7, 2006

Nov 5, 2008 09:45 AM
by Julian

23

16,102

Evo Engine / Turbo / Drivetrain

ceramic, code, evo, facebook, hfc, install, ix, metal, p0420, page, pipe, popping, racer, racing, stop, test, ultimate

attn: Ultimate Racing Metal HFC owners!

antics22 on Aug 18, 2008

Sep 15, 2008 07:30 AM
by goofygrin

8

2,341

Evo X Engine / Turbo / Drivetrain

01, antifouler, camry, evolutionm, help, milspec, p0420, plug, spark

question ne3d help

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ym3n3 on May 24, 2008

May 25, 2008 08:29 AM
by ym3n3

15

1,482

Evo General

bad, break, buy, cat, catalytic, clogged, code, converter, converters, evo, evolution, mb991958, mil, p0420, spec

200 miles on my new Evo X --- now needs a new catalytic converter

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zarl on Mar 21, 2008

Mar 23, 2008 08:56 PM
by zarl

44

5,034

Evo X General

2005, back, cat, catback, cherokee, dp, evo, evolutionm, jeep, lancer, malibu, p0420, pipe, pipes, spacer, stock, test

Test Pipe On Stock car?

TwistedEvo8 on Dec 14, 2007

Feb 8, 2008 01:02 AM
by TwistedEvo8

12

1,386

Evo Engine / Turbo / Drivetrain

anti, defouler, ecuflash, evo, fouler, foulers, gt, mustang, mustanggt, oxygen, p0401, p0420, plug, sensor, spark, work

P0401 and p0420

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1 2)

20Grockit on Jan 19, 2008

Jan 26, 2008 07:20 PM
by 20Grockit

23

3,185

Evo Engine / Turbo / Drivetrain

catalytic, code, efficiency, evo, p0420, threshold

CHeck Engine Light.

FloopyDisk on Sep 10, 2007

Sep 10, 2007 09:14 PM
by sikrsix

6

753

Evo Engine / Turbo / Drivetrain

Help Diagnose my Daily Driver

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1 2)

dridge11 on May 16, 2007

May 22, 2007 08:15 AM
by cfdfireman1

20

1,058

The Loft / EvoM Car Talk Corner

11, 1999, 2002, 2008, catalyst, code, efficiency, fix, focus, ford, galant, gts, lancer, level, mitsubishi, p0420, po420, required, srt4

P0420 code?

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1 2)

dbdude on Sep 26, 2005

May 2, 2007 03:24 AM
by oneguy

18

11,230

Evo Engine / Turbo / Drivetrain

bmw, catless, code, m3, mazdaspeed, p0136, p0420, prelude

any got a cat??

apevo8 on Apr 26, 2007

Apr 28, 2007 04:30 AM
by LoCo4

11

761

Midwest Region

code, dodge, durango, evolution, full, high, ii, low, nox, obd, octane, oil, p0420, tahoe, viii

P0420 doesn't effect performance my a$$

smp3000 on Mar 30, 2007

Mar 30, 2007 09:36 AM
by smp3000

13

8,363

Evo Engine / Turbo / Drivetrain

cat, code, evo, exhaust, loose, p0420, po420, stock

P0420 with stock exhaust?

Rnm on Mar 18, 2006

Mar 21, 2006 05:49 PM
by Rnm

5

2,247

Evo General

02, cel, fix, o2, p0420, perrin, simulator

FS: Perrin O2 Simulator CEL Fix

PapitoEVO8 on Jan 24, 2006

Jan 25, 2006 07:45 PM
by PapitoEVO8

3

591

For Sale/WTB - Engine / Drivetrain / Power