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Threads Tagged with p0420

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1997, 2000, 43l, 96, 97, blazer, body, chevy, crack, cracked, gmc, intake, p0420, plastic, throttle

Throttle body plastic intake adapter with crack in it

mrtaylor on Apr 7, 2011

Apr 25, 2011 06:39 AM
by marksoftball

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3

3,207

Engine & Transmission

p0420, p0446

Pulled new codes

Dano01 on Dec 4, 2010

Dec 4, 2010 01:52 PM
by swartlkk

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1

1,295

99, blazer, cat, check, chevy, code, common, emissions, p0420, passed, pipe, po420, problem, problems, test

99 chevy blazer cat problem

dhaggy on Nov 13, 2010

Nov 13, 2010 07:34 PM
by dhaggy

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4

2,349

2nd Generation S-series (1995-2005) Tech

1997, 1998, 2000, 96, blazer, cavalier, chevrolet, chevy, code, diagnose, forum, gmc, jimmy, p0420, p420

Help Diagnose P0420 Code

mikekolb on Oct 11, 2010

Oct 11, 2010 08:33 PM
by swartlkk

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1

5,251

2nd Generation S-series (1995-2005) Tech

10, 1996, 95, 96, 98, bank, blazer, cat, cel, chevy, code, miles, p0420, power, replaced

P0420 1995 Blazer

megtom2 on Sep 7, 2010

Sep 7, 2010 10:38 PM
by megtom2

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3

2,745

2nd Generation S-series (1995-2005) Tech

04, 95, 96, blazer, chevroleet, chevrolet, chevy, code, codes, engine, obdii, p0420, service, sheet, trouble

3 Attachment(s)

Question about Code P0420

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Multi-page thread

1 2)

Dano01 on Aug 2, 2010

Aug 3, 2010 06:58 PM
by Dano01

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12

7,062

2nd Generation S-series (1995-2005) Tech

Exclamation

01, 1999, 2000, 99, blazer, buy, chev, chevy, code, engine, icm, jimmy, mil, p0420, po420, troubleshootng

99' Blazer-engine code P0420

cpino on Jul 16, 2010

Aug 3, 2010 04:17 PM
by helo

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1

7,237

Engine & Transmission

99, blazer, cat, cats, chevrolet, chevy, code, en, falla, flowmaster, gmc, jimmy, magnaflow, p0420, pre, purrs

Magnaflow Cat?

xCHIPx on Oct 9, 2009

Nov 22, 2009 12:09 PM
by butters

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5

2,452

Headers, Intake, & Exhaust

98, blazer, chevy, p0420

p0420

2doorblazer on Oct 9, 2009

Oct 17, 2009 12:05 AM
by aaron96gmc

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1

1,287

2nd Generation S-series (1995-2005) Tech

1999, 96, bank, blazer, catalytic, chevrolet, chevy, code, efficiency, error, jimmy, oxygen, p0420, sensor, start, threshold

P0420 error code

blacer2000 on Aug 24, 2009

Aug 25, 2009 05:53 PM
by blacer2000

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8

14,713

2nd Generation S-series (1995-2005) Tech

1996, 1998, 96, 98, bank, blazer, catalyst, chevy, cylinder, detected, efficiency, misfire, multiple, p0300, p0420, po420, random, s10, system, threshold, truck

2 Attachment(s)

P0300 code and P0420 code HELP!!

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Multi-page thread

1 2 3 ... Last Page)

98blazr on Apr 6, 2009

Aug 21, 2009 01:17 AM
by bigdaddykane93

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44

44,337

2nd Generation S-series (1995-2005) Tech

2000, 99, blazer, catalyst, catalytic, chevy, code, codes, converter, diagnosis, engine, p0420, po303, po420, trouble

Engine code P0420 and P0303

swarfel on Jun 16, 2009

Jun 16, 2009 08:29 PM
by swartlkk

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1

11,048

Engine & Transmission

2000, blazer, blocked, cat, catalytic, chevy, converter, forum, fuel, lean, located, mileage, p0171, p0420, rattle, running

Catalytic Converter

KCBlues on Feb 4, 2009

Feb 26, 2009 11:19 AM
by swartlkk

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3

1,677

2nd Generation S-series (1995-2005) Tech

98, bank, blazer, catalyst, chevy, distributor, efficiency, fuel, jumped, key, p0420, start, system, threshold, wont

98 Blazer, won't start, need help

RStolz on Jan 6, 2009

Jan 10, 2009 06:21 PM
by RStolz

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4

1,491

Engine & Transmission

1998, 2000, 43, backfire, backfiring, blazer, clears, code, engine, gm, hesitation, loss, p0420, power, random

Hesitation/Backfire

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Multi-page thread

1 2)

jacobs753 on May 11, 2008

Jul 4, 2008 08:57 PM
by swartlkk

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11

5,051

2nd Generation S-series (1995-2005) Tech

43, 43l, 97, bank, blazer, bypass, carpet, catalyst, chevy, code, discount, efficiency, fix, georgia, p0240, p0420, po420, system, threshold

P0420 Code Issues

lennyblazer on Jun 18, 2008

Jun 19, 2008 07:01 AM
by lennyblazer

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3

5,336

2nd Generation S-series (1995-2005) Tech

1997, 2000, 43, 43l, 97, blazer, bravada, catalytic, chevrolet, chevy, code, error, gm, obd, p0420, po420

P0420 Error Code on 97 Blazer

abens on May 27, 2008

May 27, 2008 06:00 PM
by portcqb

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1

11,959

2nd Generation S-series (1995-2005) Tech

02, 0420, 1995, 2002, 420, 43, blazer, chevrolet, chevy, code, forum, p0420, po, po420, solutions

p0420 deffinition and solution

2dr5spdblazer on Dec 25, 2007

Dec 25, 2007 11:24 PM
by rriddle3

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1

2,517

2nd Generation S-series (1995-2005) Tech

1998, 96, 98, blazer, blazerp0420, catalyst, chevy, code, efficiency, engine, obd, oxygen, p0420, po420, s10, sensor, sets, solutions, threshold

Getting p0420 code but seems unlikely

gio17vani on Oct 26, 2007

Oct 27, 2007 08:43 AM
by swartlkk

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1

9,348

2nd Generation S-series (1995-2005) Tech

1996, bank, blazer, cat, causing, chevy, code, oxygen, p0131, p0420, po420, s10, sensors, show, truck

1996 LT running like crap

blazin true on Jul 2, 2007

Aug 1, 2007 07:02 AM
by swartlkk

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7

4,546

2nd Generation S-series (1995-2005) Tech

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