po420 - Blazer Forum - Chevy Blazer Forums - Threads Tagged with po420

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Threads Tagged with po420

Threads Tagged with po420

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1998, 2000, 2005, 95, blazer, chevy, code, fault, gas, improve, obd, octane, p0420, po420, trouble

Help? Low Octane Fule Causing a Code (P0420)

suckerpunch on Dec 12, 2009

Nov 18, 2015 08:51 PM
by richphotos

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7

22,169

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

01, 03, 0420, 05, 2002, blazer, cavalier, cel, chevy, code, engine, p0420, po420, reaing, trouble

Check Engine Light Reading Code "P0420"

JohnBarJB on Nov 30, 2012

Dec 1, 2012 10:28 AM
by JohnBarJB

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2

4,867

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

1995, 43, 95, 99, 99blazer, blazer, code, fuel, gallon, hold, long, miles, mpg, oo, po420, pressure, why

99 blazer 4.3L 8 mpg 150mile to a tank

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Multi-page thread

1 2)

chaz8645 on Oct 7, 2012

Oct 9, 2012 02:30 AM
by nalgman

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15

3,616

Engine & Transmission

2000, 2002, 43, blazer, chevrolet, chevy, code, gas, hesistates, hesitating, hesitation, load, p0420, po420, transmission

2000 blazer hesitation need some help

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Multi-page thread

1 2)

whiteg87 on Feb 10, 2010

Sep 24, 2012 11:31 AM
by kckpjmte

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11

8,776

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

97, change, chevy, code, exhaust, gmc, graph, o2, p0420, pipe, po420, s10, sensor, voltage, yukon

odb p0420 code please help

kjdmg on Feb 9, 2012

Feb 10, 2012 04:48 PM
by Captain Hook

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4

8,382

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

1996, 420, 96, 97, blazer, bronco, chevy, code, ford, obd, p0420, p0440, po, po420, s10

P0420 and P0440

Steve-o on Oct 8, 2011

Oct 8, 2011 12:53 PM
by xgiovannix12

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1

3,637

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

Unhappy

2001, air, blazer, code, cool, dirty, flow, hesitate, make, mass, po420, restart, stall, till, truck

Stalling, no start, sit, start and run like normal?

shotnva777 on Sep 20, 2011

Sep 23, 2011 05:54 AM
by Mike98Blazer

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8

6,608

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

03, 420, 98, blazer, chevrolet, chevy, code, dtc, fn, fuel, idle, injectors, p0420, po420

f-n p0420 anyone try'd this yet

reststopsteve on Jul 28, 2011

Jul 28, 2011 03:39 AM
by reststopsteve

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0

2,278

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

04, 2002, 420, 43, blazer, chevrolet, chevy, code, fix, knock, p0420, po, po420, spark, truck

PO420 Code

Chandler on Oct 16, 2010

Jul 17, 2011 11:43 AM
by blazer1992

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6

7,180

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

01, 0420, 1997, 2004, 97, 98, aftermarket, blazer, cat, chevy, code, jimmy, p0420, po420, replace

p0420

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Multi-page thread

1 2)

woopt on Jul 2, 2010

Jun 6, 2011 08:07 PM
by budman802g

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10

6,048

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

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

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

2000, 2002, 420, 43, 97, blazer, chevey, chevrolet, chevy, code, dtc, engine, explained, po, po420

Please help with dtc po 420

flukey on Jun 21, 2010

Jun 21, 2010 12:10 PM
by flukey

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2

2,607

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

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

9,346

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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