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Threads Tagged with
p0431
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Threads Tagged with
p0431
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Last Post
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Views
Forum
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
0
1,570
S5
P0431 MIL On. Dip in RPM at Idle
mrdouglasdc3
on Mar 17, 2017
Mar 17, 2017
03:09 PM
by
mrdouglasdc3
0
10,760
Intake, Headers and Exhaust
Warm Up Catalyst Efficiency P0421, P0431
Euge82
on Mar 15, 2013
Sep 16, 2014
10:10 AM
by
ppgoal
6
25,370
Audi A6
p0431 2002 Audi A6 2.7T
kavillage007
on Jan 16, 2014
Jan 16, 2014
03:13 PM
by
kavillage007
0
5,604
Audi A6
P0421 & P0431 for years...
(
1
2
)
brewder
on Aug 13, 2013
Nov 23, 2013
01:17 PM
by
brewder
10
22,160
B6 Models
Transmission/Tiptronic FAIL-SAFE or BACKUP MODES
(
1
2
3
...
Last Page
)
soinclined
on Aug 24, 2004
Aug 9, 2013
05:54 PM
by
arielista
31
52,587
Audi A4
DTC codes P0421/P0431, needs new cats!
existence1000
on Apr 6, 2013
Apr 8, 2013
12:47 AM
by
existence1000
3
11,225
B6 Models
P0431 and P0421
TheCounty
on Dec 3, 2012
Dec 3, 2012
09:12 PM
by
TheCounty
0
11,322
B5 Models
02 sensor location on 3.0
(
1
2
)
simsaudi3.0
on Feb 2, 2008
May 17, 2012
09:44 AM
by
jlbpower
13
54,294
B6 Models
2002 A4 3.0 Quattro DTC P0421/P0431
AnthonyVas79
on Mar 17, 2012
Apr 8, 2012
11:48 PM
by
aquariumjunky
2
8,465
B6 Models
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
8
13,239
Audi A4
Stock cat dead, should I get aftermarket instead of OEM??
Classicalbor
on May 12, 2011
May 12, 2011
09:58 AM
by
Classicalbor
0
1,759
Intake, Headers and Exhaust
02 Audi A6 3.0 code P0431
emmeffsee
on Apr 14, 2011
Apr 15, 2011
10:21 AM
by
ppgoal
2
11,747
Audi A6
00 a6 2.7t with codes p1423,p1411,p0431,p0421
audiLOVESwisco
on Feb 18, 2011
Feb 19, 2011
12:11 PM
by
audiLOVESwisco
2
11,097
Computer & Fuel Systems
Codes P0441 and P0431 are showing up. Please help!
sharpie1130
on Jan 5, 2011
Jan 5, 2011
02:52 AM
by
sharpie1130
0
5,737
Audi A4
2004 Audi A4 3.0 O2 Sensor issues
Nicko
on Apr 9, 2010
Dec 30, 2010
02:21 PM
by
moiz
7
15,000
B6 Models
Mil p0421, p0431
bigdadi
on Oct 23, 2010
Oct 25, 2010
09:55 AM
by
oldmots
1
5,450
Audi A6
P0431 code.
garcilla
on Aug 19, 2010
Aug 19, 2010
07:21 AM
by
02A6Beau
1
5,991
General Tech
Experts jump in...
TheA6Pride
on Jul 26, 2010
Jul 28, 2010
12:09 PM
by
TheA6Pride
2
1,940
Audi A6
P0431 engine code 2002 Allroad
browngovols
on Jul 17, 2010
Jul 17, 2010
07:03 PM
by
browngovols
0
3,407
General Tech
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