p0420 - i-Club - The Ultimate Subaru Resource - Threads Tagged with p0420

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Threads Tagged with p0420

Threads Tagged with p0420

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air, box, chain, drone, engine, fa, kitchen, loose, p0420, q300, subaru, timing

Not good Subaru.... not good.

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Multi-page thread

1 2 3)

OneManArmy on Jun 20, 2012

Jun 23, 2012 09:43 AM
by Krinkov

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41

4,619

2005, 25rs, 98, cel, civic, code, engine, heavy, hesitation, impreza, legacy, load, make, misfire, p0420, stock, subaru, trouble

I need smart people help with my CEL P0420

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Multi-page thread

1 2 3)

smokey25 on Apr 9, 2007

Nov 7, 2011 09:22 AM
by Hoofus

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32

5,144

08, back, fouler, p0420, sti, subaru, turbo, wrx

4 Attachment(s)

From GS-R to STi :)

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Multi-page thread

1 2)

murph2sk on Aug 11, 2011

Aug 15, 2011 03:41 PM
by murph2sk

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15

1,288

2001, audi, gd31020, golf, p0420, vw

CEL question... VW

OneManArmy on Aug 25, 2009

Sep 11, 2009 05:55 PM
by OneManArmy

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14

1,090

2000, 25, 25rs, ca, code, e36, impreza, jose, mr2, p0420, rs, san, specialist, subaru, toyota

P0420 code and I'm pissed

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Multi-page thread

1 2)

smokey25 on Aug 23, 2008

Sep 12, 2008 08:16 PM
by VRT MBasile

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17

10,142

Engine/Power - non turbo (All non turbo Imprezas)

02, 02bungextender, 25rs, bung, cel, exhaust, extender, extenders, headers, mechanical, o2, p0420, subaru, video, wrx

1 Attachment(s)

o2 bung extender / mechanical CEL fix?

Onizuka on Sep 12, 2008

Sep 12, 2008 03:23 PM
by Onizuka

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12

2,205

2000, 2001, 2005, cel, code, fix, gst, legacy, number, obdii, oem, p0420, sti, subaru, wrx

Troubleshooting a P0420 Code

7thSubaru on Jan 27, 2008

Jun 13, 2008 09:47 AM
by 7thSubaru

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4

12,694

Engine Management

average, catalytic, catylictic, converter, converters, convertor, dead, expectancy, fine, life, lifespan, mexico, p0420, span, sti

Lifespan of a Catalytic Converter?

tenacity on Feb 11, 2008

Feb 19, 2008 10:03 PM
by loccomoffo

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5

15,784

Engine/Power - non turbo (All non turbo Imprezas)

cat, code, dead, evo, impreza, p0420

P0420, is the cat going dead or O2 sensors?

DetailAddict on Sep 11, 2007

Sep 11, 2007 01:47 PM
by DetailAddict

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0

1,055

Engine/Power - non turbo (All non turbo Imprezas)

02, 2004, 2008, ams, downpipe, fix, o2, p0420, resistor, spacer, subaru, wrx

o2 resistor VS. o2 spacer?

fantabulous11 on Sep 19, 2006

Sep 20, 2006 07:38 AM
by .jrex.

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5

1,164

Engine/Power - EJ20T (pre-2006 WRX and JDM)

2005, gt, legacy, p0420, trackpipe, turbo

p0420 cel

stevemasteller on Jun 6, 2006

Jun 22, 2006 09:56 AM
by Siper2

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2

960

Engine/Power - non turbo (All non turbo Imprezas)

Poll

accessport, catless, cobb, codes, emissions, fine, ii, missouri, obd, odb, p0420, p1312, pass, stage, sti, wrx

Poll

Did you pass OBD-II test with Accessport stage 2 and upipe resistor fix?

MO REX on Nov 23, 2004

Dec 26, 2004 06:16 PM
by MO REX

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4

3,489

Engine Management

05, cel, check, code, egt, engine, exhaust, fix, gas, p0420, po546, subaru, temperature, wrx

EGT CEL code

debbid on Nov 29, 2004

Dec 1, 2004 04:18 PM
by debbid

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6

1,645

Engine/Power - EJ20T (pre-2006 WRX and JDM)

fool, forest, mazda, p0420, protege

P0420 Problem?

imporacer on Aug 19, 2004

Aug 20, 2004 12:46 PM
by imporacer

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6

830

Suby Shopping & Maintenance/Warranty

02, 02celfix, 03, 2003, bung, catless, cel, code, downpipe, fix, install, mechanical, p0420, pics, wrx

1 Attachment(s)

FS: Mechanical 02 CEL Fix works on most any DP (even catless)

WRXncrew on Feb 13, 2004

Mar 29, 2004 07:52 AM
by areg

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11

2,134

New Aftermarket Car Parts For Sale

05, 06, bov, cel, check, clear, engine, install, intake, light, medalion, p0420, sti, subaru, tanabe, turn, wrx

HKS BOV & intake, check engine light "HELP"!!!!

turbo_j on Apr 4, 2003

Apr 28, 2003 08:44 PM
by GO WRX

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13

6,474

Engine/Power - EJ20T (pre-2006 WRX and JDM)

2002, 22, 22kohm, buy, codes, fix, forester, installing, kohm, megaohm, mod, p0420, resistor, subaru, wrx

2.2Kohm resistor mod

WRXRyan on Jan 4, 2003

Jan 7, 2003 07:50 PM
by fastnoypi

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7

10,330

Engine/Power - EJ20T (pre-2006 WRX and JDM)

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