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Threads Tagged with p0420

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98, chevorlet, chevy, code, dtc, dtcp0420, k1500, mac, p0420, p420, po420, silverado, superchips, tahoe, truck

Dtc p0420

Starboy on May 14, 2011

May 18, 2011 10:12 AM
by Starboy

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2

5,405

Silverado, Sierra & Fullsize Pick-ups

2003, 20032wheeldrivetahoereviews, bank1, chevrolet, chevy, code, codes, drive, misfire, p0300, p0420, p0756, suburban, tahoe, wheel

2003 Suburban 2 wheel drive

meangreen92 on May 3, 2011

May 4, 2011 3:13 PM
by meangreen92

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2

2,642

Tahoe & Suburban

03, 04, 1500, bad, cat, catproblem, chevrolet, chevy, codes, idle, p0420, p0430, rough, silverado, start, truck

Possible Bad Cat Problem?

UXK on Mar 16, 2011

Mar 20, 2011 2:45 AM
by UXK

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8

7,541

Silverado, Sierra & Fullsize Pick-ups

cadillac, catalytic, cavalier, check, chevrolet, chevy, code, codes, converter, diagnostic, engine, p0420, replace, silverado, traverse, uplander

Catalytic Converter help! Engine Code P0420

SureShot434 on Mar 7, 2011

Mar 7, 2011 8:57 PM
by MDTAHOE

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3

11,703

2001, 2008, 81d8, cat, cavalier, chevrolet, chevy, code, express, malibu, meas, p0420, p420, po420, replaced

P0420 engine light code

Rich O'Rourke on Dec 8, 2010

Dec 9, 2010 9:23 PM
by MDTAHOE

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3

40,412

01, 2001, 22, cavalier, cavallier, caviler, chevy, clear, code, cycle, drive, p0420, plugs, po420, silverado, spark, time

P0420 code on 2001 cavalier,2.2L engine

Rich O'Rourke on Nov 21, 2010

Nov 21, 2010 9:24 PM
by MDTAHOE

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12,344

chevy, code, codes, engine, im, misfire, multiple, p0300, p0420, p0430, p0452, po430, po452, silverado, throwing

misfire/fuel

kknowl54 on Nov 10, 2010

Nov 10, 2010 8:53 PM
by MDTAHOE

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1

3,962

Silverado, Sierra & Fullsize Pick-ups

07, 1500, 96, car, chevrolet, chevy, code, hard, p0420, po420, rough, silverado, start, starting, truck

hard start and p0420

isrblue on Aug 5, 2010

Aug 6, 2010 7:11 AM
by isrblue

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3

3,896

Silverado, Sierra & Fullsize Pick-ups

Question

1133, 1999, 57, 99, catalytic, chevrolet, code, converter, obd2, p0102, p0420, p0430, p1133, suburban, tahoe

1999 Burb Codes issue

slydog39 on Apr 24, 2010

May 18, 2010 4:13 AM
by bo5co

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4

4,717

Tahoe & Suburban

10, 2000, 57, 97, antifreeze, chevy, code, coolant, exhaust, gasket, head, intake, internal, leak, lower, malibu, p0420, tahoe

Coolant Leak

vermena on Apr 9, 2010

Apr 12, 2010 8:10 PM
by atis

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4

7,316

Tahoe & Suburban

2500, 43, 99, astro, catalytic, chevrolet, chevy, code, compression, converter, freeway, misfire, p0420, plugged, problem, silverado, vortec

99 Silverado 4.3 misfire

craig82 on Mar 13, 2010

Mar 15, 2010 3:16 PM
by craig82

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3

4,479

Silverado, Sierra & Fullsize Pick-ups

blazer, buildup, carbon, chevy, code, o2, p0420, s10

o2 help

2doorblazer on Oct 10, 2009

Oct 12, 2009 7:18 PM
by 2doorblazer

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2

1,533

01, 07, 2001, 2007, avalanche, chevrolet, chevy, code, impala, malibu, p0420, po420, po420a, repair, venture

p0420 code

bigbabee on Oct 20, 2007

Oct 20, 2007 1:07 AM
by bigbabee

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7,306

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