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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 10-12-2022

10-12-2022 05:49 PM
by Audi.S5.2011.V8

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0

1,213

bank2, cat, p0431

P0431 MIL On. Dip in RPM at Idle

mrdouglasdc3 on 03-17-2017

03-17-2017 03:09 PM
by mrdouglasdc3

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0

10,226

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 03-15-2013

09-16-2014 10:10 AM
by ppgoal

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6

24,901

2002, 27, a6, audi, p0431, po431

p0431 2002 Audi A6 2.7T

kavillage007 on 01-16-2014

01-16-2014 03:13 PM
by kavillage007

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0

5,400

a4, audi, b6, p0421, p0431, stop

P0421 & P0431 for years...

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Multi-page thread

1 2)

brewder on 08-13-2013

11-23-2013 01:17 PM
by brewder

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10

21,492

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 08-24-2004

08-09-2013 05:54 PM
by arielista

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31

51,325

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

DTC codes P0421/P0431, needs new cats!

existence1000 on 04-06-2013

04-08-2013 12:47 AM
by existence1000

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3

10,984

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

P0431 and P0421

TheCounty on 12-03-2012

12-03-2012 09:12 PM
by TheCounty

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0

11,072

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 02-02-2008

05-17-2012 09:44 AM
by jlbpower

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13

51,473

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 03-17-2012

04-08-2012 11:48 PM
by aquariumjunky

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2

8,278

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 01-25-2012

02-13-2012 02:51 PM
by Rolling Blackout

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8

12,931

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 05-12-2011

05-12-2011 09:58 AM
by Classicalbor

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0

1,624

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 04-14-2011

04-15-2011 10:21 AM
by ppgoal

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2

11,522

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 02-18-2011

02-19-2011 12:11 PM
by audiLOVESwisco

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2

10,670

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 01-05-2011

01-05-2011 02:52 AM
by sharpie1130

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0

5,408

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 04-09-2010

12-30-2010 02:21 PM
by moiz

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7

14,826

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

Mil p0421, p0431

bigdadi on 10-23-2010

10-25-2010 09:55 AM
by oldmots

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1

5,371

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

P0431 code.

garcilla on 08-19-2010

08-19-2010 07:21 AM
by 02A6Beau

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1

5,865

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

Experts jump in...

TheA6Pride on 07-26-2010

07-28-2010 12:09 PM
by TheA6Pride

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2

1,881

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

P0431 engine code 2002 Allroad

browngovols on 07-17-2010

07-17-2010 07:03 PM
by browngovols

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0

3,142

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