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03, 30, a6, audi, catalyst, code, ecu, error, p0421, p0431, po421, po431, software, update, warm

Warm Up Catalyst Efficiency P0421, P0431

Euge82 on Mar 15, 2013

Sep 16, 2014 10:10 AM
by ppgoal

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6

25,370

2002, 27, a6, audi, p0431, po431

p0431 2002 Audi A6 2.7T

kavillage007 on Jan 16, 2014

Jan 16, 2014 03:13 PM
by kavillage007

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0

5,604

431, a4, audi, cats, code, codes, engine, po431, replacing

Audi A4 code PO431

bernes1982 on Jun 14, 2012

Jun 14, 2012 12:03 PM
by pa4ul

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1

2,461

2001, 421, a4, a6, audi, bad, cat, code, doe, fix, fixing, p0431, po421, po431, reflash, s4

How to fix the problem coming up with the code P0431

sixcoco on Jan 25, 2012

Feb 13, 2012 02:51 PM
by Rolling Blackout

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8

13,239

2003, 431, a4, a6, audi, cel, code, codepo431, codes, codigo, dtc, engine, po, po431

CEL Code PO431-DTC- Help Confirming Plse

Audiman62 on Nov 3, 2011

Nov 3, 2011 12:20 PM
by 02A6Beau

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1

1,816

2003, 431, a4, a6, audi, code, dtc, po, po431, quattro

CEL Code- PO431-DTC on 2003 A4 Cab

Audiman62 on Nov 2, 2011

Nov 2, 2011 10:21 PM
by Audiman62

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0

1,485

2002, 2011, 30, 431, a4, audi, code, codes, po431, quattro, radiator, replacement, scan, windshield, wipers

2002 Audi A4 3.0 Quattro scan code PO431

silver a vier on Sep 16, 2011

Sep 17, 2011 03:04 PM
by bigdadi

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1

3,613

01, 18t, 2002, a4, audi, build, buildup, clean, common, engine, oil, po431, sludge, spot, symstems

2002 A4 Sludge buildup

realzeta on Jan 10, 2011

Jan 10, 2011 11:35 PM
by audiit

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2

1,909

02, 2000, 2002, a4, a6, audi, check, code, codes, engine, light, obd, p0431, p0441, po431

Codes P0441 and P0431 are showing up. Please help!

sharpie1130 on Jan 5, 2011

Jan 5, 2011 02:52 AM
by sharpie1130

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0

5,737

96, a4, audi, code, codes, cost, dealer, dealers, ecm, po431, price, reflash, reflashing, typical, updata

ECM reflash cost at dealer? (po421/po431)

wankel7 on Aug 18, 2010

Aug 22, 2010 09:26 AM
by wankel7

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1

3,389

02, 0431, 05, 2002, a4, allroad, audi, check, code, codes, engine, p0431, po431, road, trouble

P0431 engine code 2002 Allroad

browngovols on Jul 17, 2010

Jul 17, 2010 07:03 PM
by browngovols

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0

3,407

a6, audi, bulletin, code, coolant, gasket, head, mazda, po431, volkswagon

At my Wit's End

(

Multi-page thread

1 2 3 ... Last Page)

Bombguy on Mar 20, 2010

Apr 7, 2010 11:49 AM
by Bombguy

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49

5,385

2002, a4, a6, audi, bank2, cat, catalyst, catalytic, converter, efficiency, p0432, po431, quattro, threshold, warm, warming

Trouble code: PO431-Help!

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Multi-page thread

1 2)

TaraLynn on Jul 25, 2006

Jan 16, 2009 07:06 PM
by cvtkid04

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11

10,307

audi, forum, o2, oxygen, po431, po441, sensor, universal

Universal o2 sensor

INeeDTurbo on Apr 22, 2008

Apr 26, 2008 11:40 AM
by AudiTech616

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3

1,014

02, 2002, a4, a6, audi, audia, code, codes, dtc, fault, location, p0431, po421, po431, quattro

fault codes po421 and po431

simsaudi3.0 on Feb 2, 2008

Mar 12, 2008 11:37 PM
by tj19855

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7

9,172

2000, 421, 431, a4, allroad, audi, code, codes, fault, po, po421, po431, reflash

MOVED: fault codes po421 and po431

simsaudi3.0 on Feb 6, 2008

Feb 6, 2008 09:57 PM
by simsaudi3.0

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0

1,941

2001, allroad, audi, bank, catalyst, clear, code, codes, downpipe, efficiency, error, p0431, po431, s4, threshold, warm

Code P0431 Warm Up Catalyst Below Threshold

carhopper on Jan 13, 2008

Jan 13, 2008 07:16 PM
by carhopper

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0

4,609

S Car Model Line

02, 2000, 2002, 2005, a4, a6, audi, bank, code, error, p0431, po431, trouble

P0431

vigorcomp on Feb 25, 2006

Feb 25, 2006 09:45 PM
by techbod

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2

1,897

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