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Threads Tagged with p0431

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audi s5 2011 v8 4.2l, p0421, p0431, p0441, vapor canister valve

Another P0421 code... Audi S5 2011 V8 4.2L

Audi.S5.2011.V8 on Oct 12, 2022

Oct 12, 2022 05:49 PM
by Audi.S5.2011.V8

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0

1,570

bank2, cat, p0431

P0431 MIL On. Dip in RPM at Idle

mrdouglasdc3 on Mar 17, 2017

Mar 17, 2017 03:09 PM
by mrdouglasdc3

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0

10,760

Intake, Headers and Exhaust

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

a4, audi, b6, p0421, p0431, stop

P0421 & P0431 for years...

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Multi-page thread

1 2)

brewder on Aug 13, 2013

Nov 23, 2013 01:17 PM
by brewder

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10

22,160

0701, 2000, 2003, a4, a6, audi, code, fail, failsafe, intermittent, mode, p0421, p0431, safe, tiptronic, trans, transmission

Transmission/Tiptronic FAIL-SAFE or BACKUP MODES

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Multi-page thread

1 2 3 ... Last Page)

soinclined on Aug 24, 2004

Aug 9, 2013 05:54 PM
by arielista

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31

52,587

0421, 2002, a4, audi, car, code, codes, fault, location, p0346, p0421, p0421p0431, p0431, p0741, pass

DTC codes P0421/P0431, needs new cats!

existence1000 on Apr 6, 2013

Apr 8, 2013 12:47 AM
by existence1000

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3

11,225

01, 0431, 2001, a4, aftermarket, allroad, audi, b5, code, exhaust, intake, leak, p0421, p0431, s4

P0431 and P0421

TheCounty on Dec 3, 2012

Dec 3, 2012 09:12 PM
by TheCounty

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0

11,322

02, 30, a4, audi, avk, b1, b2, b6, diy, location, oxygen, p0421, p0431, sensor, sensors

02 sensor location on 3.0

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Multi-page thread

1 2)

simsaudi3.0 on Feb 2, 2008

May 17, 2012 09:44 AM
by jlbpower

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13

54,294

2002, 30, a4, audi, bank, cat, check, code, dtc, engine, light, obd2, p0421, p0431, po421, quattro

2002 A4 3.0 Quattro DTC P0421/P0431

AnthonyVas79 on Mar 17, 2012

Apr 8, 2012 11:48 PM
by aquariumjunky

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2

8,465

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

a4, aftermarket, audi, cat, catalytic, cats, converters, covertor, market, oem, p0431, problems, whats

Stock cat dead, should I get aftermarket instead of OEM??

Classicalbor on May 12, 2011

May 12, 2011 09:58 AM
by Classicalbor

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0

1,759

Intake, Headers and Exhaust

0431, 30, a4, a6, allroad, audi, big, cat, coades, code, daddies, garage, issue, o2, p0431, sensor

02 Audi A6 3.0 code P0431

emmeffsee on Apr 14, 2011

Apr 15, 2011 10:21 AM
by ppgoal

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2

11,747

1423, 2001, 27, a6, allroad, audi, code, codes, fault, fix, p0421, p0431, p1411, p1423, p1423p1411p0421p0431p1128

00 a6 2.7t with codes p1423,p1411,p0431,p0421

audiLOVESwisco on Feb 18, 2011

Feb 19, 2011 12:11 PM
by audiLOVESwisco

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2

11,097

Computer & Fuel Systems

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

2004, 30, a4, audi, catalytic, change, converter, location, o2, oxygen, p0421, p0431, sensor, size, thread

2004 Audi A4 3.0 O2 Sensor issues

Nicko on Apr 9, 2010

Dec 30, 2010 02:21 PM
by moiz

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7

15,000

0421, 0431, 42, a6, audi, cat, cel, ecu, fix, mil, mini, p0421, p0431, reset, work

Mil p0421, p0431

bigdadi on Oct 23, 2010

Oct 25, 2010 09:55 AM
by oldmots

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1

5,450

0431, 16815, a8, audi, bank, catalyst, catalytic, code, converter, fix, leak, p0431, threshold, vacuum, warm

P0431 code.

garcilla on Aug 19, 2010

Aug 19, 2010 07:21 AM
by 02A6Beau

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1

5,991

2001, 28, 28l, a6, audi, catalyst, catalytic, code, converter, efficiency, false, fault, p0421, p0431, p0741, quattro

Experts jump in...

TheA6Pride on Jul 26, 2010

Jul 28, 2010 12:09 PM
by TheA6Pride

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2

1,940

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

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