p0431 - AudiWorld Forums - Threads Tagged with p0431

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allroad, audi, change, code, o2, p0431, sensor

O2 Sensor Fix Gone Bad...

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1 2)

Gsrob on 04-07-2014

04-29-2014 01:08 PM
by Gsrob

19

16,765

A6 / S6 (C5 Platform) Discussion

2002, 30, a6, audi, c5, catalytic, converter, gas, p0431, replacement, waste

2002 C5 3.0L Catalytic Converter CEL Question

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kappa4201 on 03-26-2014

04-03-2014 11:22 AM
by meternerd

30

10,340

A6 / S6 (C5 Platform) Discussion

a6, anti, audi, cat, code, fix, fouler, obd, p0431, plug, po431, repair, spacers, spark, tt

The old P0431 Code - DIY fix? - Help Please

Beats_77 on 09-25-2012

09-25-2012 12:47 PM
by awdjunkies

4

11,986

Audi allroad

01, 27t, a6, audi, catalyst, catylist, code, codes, efficiency, emissions, p0431, pass, threshold, vag, warmup

HELP with 01 audi a6Q 2.7t codes please.

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Ryanl2488 on 09-04-2012

09-05-2012 12:58 PM
by Ryanl2488

14

8,218

A6 / S6 (C5 Platform) Discussion

audi, b5, catalytic, cel, clear, code, engine, error, intermittent, lacquer, laquer, p0421, p0431, s4, thinner

2001 S4, CEL/Catalytic Issues

yakavish on 03-21-2012

04-09-2012 03:16 PM
by yakavish

9

4,324

S4 / RS4 (B5 Platform) Discussion

2002, 2004, audi, cat, denali, large, leak, p0421, p0431, p0455, pre, temp, warm, xl, yukon

Trouble getting through emissions testing

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M4NB00B5 on 01-24-2012

01-26-2012 05:50 PM
by jcman

20

5,955

A6 / S6 (C5 Platform) Discussion

16805, 16815, 2000, a6, audi, bank, cat, catalyst, code, efficiency, low, p0421, p0431, quattro, treshold, trouble, warm

Fault codes:P0431,P0421,P1603-intermittent?

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1 2 3)

tmaslar on 01-20-2007

11-21-2011 11:52 AM
by 02ALLROAD02

24

47,108

VAG-COM Discussion

04 A6 Quattro 3.0 opinions needed

soxfan401 on 09-18-2011

09-27-2011 04:37 PM
by soxfan401

5

1,160

A6 / S6 (C5 Platform) Discussion

2001, 42, a6, a8, america, audi, bank, catalyst, efficiency, p0431, p1130, recall, specs, threshold, warm

Help with P0431, P1128, P1130

Quattro 88 80 on 05-03-2010

08-17-2011 02:43 PM
by Adrian02S4

7

4,897

Audi allroad

2002, a4, a6, allroad, audi, audiworld, b6, code, codes, engine, log, o2, p0421, p0431, trouble

Codes P0421 and P0431

ShadowF on 08-13-2011

08-13-2011 03:31 PM
by ShadowF

0

4,911

A4 (B6 Platform) Discussion

17819, 2007, 99, a4, a6, accelerating, acceleration, audi, code, p0431, popping, slipping, slips, symptoms, tires, transmission

Slipping while accelerating/ possible causes

Dector22 on 05-13-2011

05-21-2011 12:32 PM
by Cruffler

5

4,292

A4 (B5 Platform) Discussion

2000, 28, a6, audi, code, oil, p01423, p0431, plug, plugs, ross, spark, tech, wells, wiki

Need advice on recommended work

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1 2)

Ky_audi_man on 10-23-2010

10-27-2010 02:28 PM
by Ky_audi_man

12

1,686

A6 / S6 (C5 Platform) Discussion

2, 2004, 30, a6, audi, bank, catalytic, change, code, converter, converters, p0431, po431, quattro, replace, side

2004 Audi A6 Quattro 3.0 Automatic Need Advice On Catalytic Converter

upops on 09-19-2010

09-20-2010 08:40 AM
by raj99

2

2,315

A6 / S6 (C5 Platform) Discussion

42, audi, bank1, catalitic, catalytic, catylic, codes, converter, convertor, ct, mechanic, miata, milford, p0421, p0431, reflash, return, weigh

Catalytic Converter Opinions - Please Weigh In

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1 2 3)

ilsaccente on 05-25-2010

05-28-2010 04:42 AM
by ilsaccente

23

5,291

A6 / S6 (C5 Platform) Discussion

2002, 2003, 30, a4, audi, bank, catalyst, code, cold, efficiency, p0431, quattro, threshold, warm, weather

P0431 only in cold weather

AudiOH on 05-16-2010

05-18-2010 04:12 PM
by AudiOH

4

2,764

A4 (B6 Platform) Discussion

0431, 2002, a4, a6, allroad, audi, cel, check, code, codes, driver, engine, light, oil, p0431, side

Check engine light code p0431

Audi for life 1987 on 05-05-2010

05-06-2010 12:10 PM
by Pete@ECSTuning

2

6,385

A4 (B6 Platform) Discussion

2000, a8, audi, code, cross, d3, finding, leak, number, p0431, p1128, p1128p1130, p1130, rs6, s4, vacuum

Help with codes P0431, P1128, P1130

Quattro 88 80 on 05-04-2010

05-04-2010 01:06 PM
by Quattro 88 80

0

2,166

2.7T V6 Discussion

Post Cat 02 Sensor Location

stevetjrGA on 02-28-2010

03-07-2010 10:08 AM
by stevetjrGA

5

1,775

A4 (B6 Platform) Discussion

17965, 2001, 2004, 2012357, 27, 27l, 4b0907551, a6, allroad, audi, catalytic, converter, p0421, p0431, tsb

Help with codes for 01 A6 2.7

tjscanlon on 12-29-2005

01-27-2010 05:14 PM
by leeststorm

5

1,647

A6 / S6 (C5 Platform) Discussion

17863, 17867, a6, audi, cat, code, exhaust, fix, gas, implausible, inefficiency, p0431, p1113, p1459, s4, temperature

I am getting a check engine light in my car took it to my buddys that has a vagcom

M22 on 01-24-2010

01-24-2010 04:13 PM
by rktskicar

1

3,446

S4 / RS4 (B5 Platform) Discussion

27t, a6, air, audi, c5, code, intermittently, mods, p0431, pump, runs, s4, secondary

Secondary Air Pump running intermittently

J_A_J on 12-25-2009

12-25-2009 07:31 PM
by quickaudi:STFA

1

1,803

2.7T V6 Discussion

a6, audi, back, bad, bank, catalyst, code, coming, efficiency, error, gas, p0431, porsche, threshold, warm

P0431 Catalyst Warm Up Efficiency Below Threshold

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1 2)

chianm on 11-15-2004

09-18-2009 02:52 PM
by vellnueve

15

22,995

A6 / S6 (C5 Platform) Discussion

2002, 30, a6, a8, audi, catalyst, cathalyst, cel, code, p0118, p0431, po118, quattro, tt, warm

Ack! P0431 and P0118 codes... Any ideas?

vellnueve on 09-12-2009

09-12-2009 08:00 PM
by vellnueve

1

2,794

A6 / S6 (C5 Platform) Discussion

16805, 20002, 30, 30l, a4, a6, audi, cats, giac, p0421, p0431, po421, s4

Looks like I need either both O2 sensors replaced or both Cats replaced.

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1 2)

A4AdMan on 03-01-2009

04-21-2009 12:45 AM
by diagnosticator1

16

4,074

A4 (B6 Platform) Discussion

1, 2002, a4, audi, audiworld, b5, bank, catalyst, code, dtc, efficiency, p0421, p0431, quattro, s4, threshold, warm

I Keep getting this code 16805 / P0421 Warm Up Catalyst; Bank 1: Efficiency Below Threshold

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1 2)

Blk-S4-01 on 02-18-2009

02-23-2009 03:52 AM
by Blk-S4-01

19

20,744

S4 / RS4 (B5 Platform) Discussion

16805, audi, cap, code, codes, gas, leak, n80, p0431, tank, test, vag, valve

Tank Leak Test?

siriuss4 on 02-17-2009

02-17-2009 06:48 AM
by siriuss4

0

1,033

VAG-COM Discussion

2002, 2004, a4, a6, audi, bank, bank2, catalyst, code, p0431, quattro, sline, threshold, warm, warming

MIL light on, Code: P 0431, Warm up catalyst below threshold bank 2

Krisinu on 02-16-2009

02-16-2009 06:19 PM
by O2Allroad

3

2,369

A6 / S6 (C5 Platform) Discussion

2001, allroad, audi, audo, bulletin, ecm, flash, p0431, passing, smog, technical

Need help! SD area Allroad needs ECM flash to pass smog!

sonnybihis on 02-06-2009

02-08-2009 01:40 PM
by TwentyValveB5+S4

8

737

SoCal Discussion

audi, cel, codes, p0421, p0421code, p0431

Anyone ever get a P0431 and P0421 code when their CEL came one?

kalpesh on 01-29-2009

01-29-2009 04:20 PM
by kalpesh

0

1,029

Canadian Discussion

16815, 2003, a4, a6, audi, bulletin, catalyst, cel, code, ecu, flash, mazda, p0431, s4, service, vw, warm

Questions about P0431/16815 Warm Up Catalyst

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1 2)

MrGoodbytes on 12-26-2008

12-27-2008 03:01 PM
by Nate (ETKA+Scumbag)

19

6,017

A4 (B5 Platform) Discussion