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Threads Tagged with p0420

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00, 02, 2002, 2003, 98, aftermarket, carlo, cat, chevrolet, code, emission, monte, p0420, po420, ss

'02 LS with P0420

KJRich on Oct 29, 2010

Oct 31, 2010 08:39 PM
by KJRich

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3

1,319

Headers/Intake/Exhaust

2003, 2004, 2005, carlo, chevrolet, computer, emissions, inspection, miles, monte, outlet, p0420, process, ready, relearn, reset, ss

Computer Re-Learn

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Multi-page thread

1 2)

montejass on Oct 21, 2010

Oct 24, 2010 08:07 AM
by montejass

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11

21,036

Engine/Transmission/Performance Adders

1998, 2002, aftermarket, bcm, bypassing, carlo, code, monte, p0420, passlock, pcm, performance, problem, procedure, program, security, system

Aftermarket PCM Advice

Sparky-88 on Oct 19, 2010

Oct 20, 2010 07:32 AM
by Sparky-88

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5

2,549

Engine/Transmission/Performance Adders

01, 03, 2000, 2002, bank, carlo, catalatic, chevy, code, converter, forum, forums, monte, p0420, po420, recall, ss

CEL P0420 01 monte carlo 125k

Pjw350 on Mar 23, 2010

Mar 24, 2010 09:00 AM
by ChibiBlackSheep

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4

4,763

Headers/Intake/Exhaust

10, 2005, cai, carlo, cat, cel, downpipe, installing, monte, o2, p0420, pcm, rear, rid, sensor, simulator, turbo, z3, zzp

ZZP no-cat down pipe - Is it worth it?

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Multi-page thread

1 2 3)

saigashooter on Feb 26, 2010

Mar 2, 2010 08:02 AM
by ChibiBlackSheep

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24

5,517

Headers/Intake/Exhaust

Exclamation

06, 2000, 2002, 38, bx15, carlo, check, engine, httpwwwgmtruckscomforumsindehowtopic73881, light, monte, oil, operating, optimal, p0420, settings, soundstream, temperature

Check engine light

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Multi-page thread

1 2 3)

sotmelo on Dec 8, 2009

Dec 10, 2009 10:53 AM
by sotmelo

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23

8,772

Monte Carlo Repair Help

01, 03, bend, carlo, cat, catalytic, code, converter, delete, flow, high, monte, p0420, pass, smog, ss

Smog Fail

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Multi-page thread

1 2 3 ... Last Page)

01montesf on Oct 24, 2009

Nov 18, 2009 01:22 PM
by 2003supersport

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36

5,924

Monte Carlo Repair Help

1997, 2002, 3800, camry, carlo, code, computer, dtc, engine, give, hp, monte, nissan, p0420, reprogramming

P0420 Cat efficiency

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Multi-page thread

1 2 3)

labnjab on Aug 26, 2009

Oct 12, 2009 07:51 AM
by labnjab

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28

15,823

Headers/Intake/Exhaust

Talking

1998, carlo, dtc, monte, p0420, spacer, throttlebody, z34

Got some mods to the monte

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Multi-page thread

1 2)

kschmidt319 on Jun 7, 2009

Jun 11, 2009 07:53 AM
by Taz

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11

1,774

General Monte Carlo Talk

area, bay, carlo, cat, code, delete, downpipe, flow, high, install, monte, p0420, random, tech, zz

1 Attachment(s)

High Flow Cat/Downpip HELP!

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Multi-page thread

1 2)

Steven73 on May 7, 2009

May 11, 2009 10:03 AM
by ChibiBlackSheep

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11

3,094

General Monte Carlo Talk

2002, 2005, 80000, 99, alot, carlo, code, exhaust, mile, monte, p0420, performance, sound, ss, zz

05 Monte Carlo P0420

brian99_03 on Jan 21, 2009

Jan 25, 2009 04:27 PM
by bowtietech

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3

1,870

Monte Carlo Repair Help

carlo, check, code, codes, dale, earnhardt, engine, light, low, monte, p0420, pressure, reading, reset, tire, tires

CheCk EngiNe LiGht and Low Tire Pressure

chevyrider08 on Apr 27, 2008

Apr 29, 2008 10:04 PM
by dustybird3

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9

1,945

General Monte Carlo Talk

02, bad, car, carlo, code, coolant, hot, monte, p0420, po420, running, sensor, ss, temp, throw

CEL P0420

CHOWEE21 on Mar 18, 2008

Mar 18, 2008 08:08 PM
by dustybird3

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3

1,710

Monte Carlo Repair Help

2004, 3, 3800, air, cai, carlo, cold, downpipe, intake, monte, p0420, pcm, plog, random, ss, technology, wizaired, zzp

ZZP vs 3800 Performance?

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Multi-page thread

1 2)

Submariner on Feb 3, 2008

Feb 13, 2008 04:29 PM
by mad717

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10

4,943

Headers/Intake/Exhaust

2001, aftermarket, carlo, catylitic, code, converter, emulator, error, monte, o2, p0420, performance, problems, specs, zz

aftermarket cat causing problems?

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Multi-page thread

1 2)

splendidkiller on Jan 16, 2008

Feb 10, 2008 06:55 PM
by 04 Intimidator

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13

2,070

Monte Carlo Repair Help

03, 04, 2003, 2007, 3800, carlo, check, code, codes, error, gm, monte, p0420, problems, shifting, ss, v6

Yet another error code...

drayven on Jul 23, 2007

Jul 24, 2007 04:38 AM
by RocknSS04

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5

1,546

Monte Carlo Repair Help

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