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Threads Tagged with p0420

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02, 0420, 05, 2002, 24, a4, audi, catalyst, code, codes, efficiency, p0420, p0430, po420, trible, v6

codes p0420 and p0430 on my a4 2.4 v6

scanny1 on 05-12-2012

03-26-2014 11:26 AM
by pa4ul

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6

7,446

audi, p0420

P0420 no more :-)

ericcota2003 on 09-14-2013

09-14-2013 07:09 AM
by ericcota2003

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0

9,188

2001, a4, audi, code, error, p0420

P0420 - Catalyst Code

JoshuaMcbee on 07-08-2013

07-08-2013 07:28 PM
by JoshuaMcbee

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0

23,647

18, 18t, 97, a4, audi, icm, injector, p0302, p0420

CEL P0302 97 a4 1.8t NOT ICM UNIT

thefuture54 on 05-07-2013

05-09-2013 10:23 PM
by thefuture54

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2

2,164

04, 18t, 2004, a4, audi, code, del, exhaust, fault, find, manual, p0420, specs, speed, transmission

A4 2004 1.8T manual transmission P0420 continuous fault code

Gunter337 on 05-05-2013

05-06-2013 02:34 AM
by CryptoStorm

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1

6,492

audi, check, code, engine, exhaust, light, p0420, resonator, software

Check Engine Light w/ P0420 code

Gunter337 on 05-05-2013

05-05-2013 08:41 PM
by Gunter337

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2

5,441

Intake, Headers and Exhaust

2001, 2006, 3510, a4, allroad, audi, code, diy, error, fault, p0302, p0322, p0420, po302, quattro, urgency

Misfires: p0300, p0302, p0322

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Multi-page thread

1 2 3)

hauptjr on 04-01-2010

04-28-2013 01:06 AM
by MichaelBojsza

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24

25,985

Red face

1, 18t, 2000, a4, audi, bank, bmw, catalyst, code, efficiency, forums, p0420, s5, system, threshold, v8, x5

P0420 Catalyst System Efficiency Below Threshold (Bank 1)

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Multi-page thread

1 2)

M3Armand on 01-31-2013

03-12-2013 04:53 PM
by Mark C

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10

60,301

01, 02, 18, 18t, a4, audi, b6, code, engine, lifestyle, p0420, po420, price, turbo, v35

'01 1.8T Check Engine Light / Code P0420

eelpie on 12-26-2010

01-27-2013 06:20 PM
by M3Armand

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1

3,242

01, a4, anti, audi, b6, code, didnt, diy, ecu, fouler, oxygen, p0420, p420, po420, reflash, sensor, trick, work

p0420 code completely confused HELP PLEASE!!!!!!!

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Multi-page thread

1 2)

justyk31011 on 09-03-2012

09-18-2012 11:51 AM
by justyk31011

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14

12,608

02, 03, 18t, 420, a4, add, audi, bad, cat, catalytic, coil, converter, fault, p0420, sensor, spacer, upstream

Converter Question

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Multi-page thread

1 2)

joeyac02 on 02-07-2012

02-11-2012 06:33 PM
by joeyac02

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12

3,179

03, 2003, 2005, a4, audi, catalyst, catalytic, converter, cts, engine, esp, light, p0102, p0420, p0421, warm

Engine and ESP lights on (P0102, P0172, P0420, P0421)

romar1086 on 08-29-2011

01-03-2012 06:51 PM
by 20090401

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1

6,374

02, 3510, a6, audi, bank, catalyst, code, efficiency, o2, p0420, pass, sensor, sensors, system, threshold

P0420 CATS OR 02 SENSOR? 01 2.8l fwd

budhani786 on 12-22-2011

12-23-2011 10:44 AM
by budhani786

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2

3,885

04, 0420, 18t, 2000, 2004, a4, a6, audi, catalyst, code, codes, engine, fault, navigation, p0420, po420, system, threshold

2004 audi a4 quattro 1.8t diagnostic trouble code p0420

mckinn43 on 11-30-2011

12-07-2011 02:01 AM
by MTS

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1

5,716

01, 2000, 27t, allroad, audi, c5, code, evap, leak, p0420, p0442, p1600, po442, s4, small

new to Audi, evap code P0442 Help!

BlackWag on 09-25-2011

10-20-2011 01:52 PM
by cshideler

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1

7,105

Allroad Model Line

Angry

18t, 2002, a4, audi, catalyst, code, miles, monitor, p0411, p0420, p0420034motorsport, po420, ready, reset, rode

Need Help with code P0420!!!!!!

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Multi-page thread

1 2 3)

ahsaw on 09-06-2008

09-30-2011 09:06 AM
by vito914

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25

19,486

02, 03, 0420, 18t, 2002, 2003, a4, audi, b6, cel, code, p0420, po420, sensor, that

CEL code P0420

shiles831 on 09-11-2011

09-12-2011 01:29 AM
by shiles831

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2

3,439

001, 16804, 2001, 2002, a4, a8, audi, catalyst, code, efficiency, fault, p0420, systembank1, threshold, vw

1 Attachment(s)

Fault code 16804 P0420-001 Advise Please

Harryjman on 06-24-2011

06-24-2011 03:58 PM
by Harryjman

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0

5,914

002, 4000, a3, a4, audi, b6, exceeded, intermittent, limit, lower, p0321, p0420, p0441, rain, rpm, upper

Please Help ME!!!!!!!

Cameron92 on 04-30-2011

04-30-2011 06:29 PM
by Audi Tek

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1

3,094

2001, 28, a6, audi, bank1, bank2, catalytic, code, converter, dtc, p0130, p0150, p0420, trouble, versus

O2 sensors, DTC P0130 & P0150

drliming on 02-13-2011

02-13-2011 03:42 PM
by drliming

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0

6,201

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