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Threads Tagged with
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Thread / Thread Starter
Last Post
Replies
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Forum
P0432/P0422 codes
kaminar
on 01-11-2007
11-12-2014
11:27 AM
by
sheldon
9
9,657
Audi A6
Warm-Up Catalyst Below Threshold (PO421/31)
(
1
2
)
Spotty
on 02-08-2010
03-25-2014
09:53 PM
by
mcgregor32000
17
60,525
B6 Models
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
(
1
2
)
M3Armand
on 01-31-2013
03-12-2013
04:53 PM
by
Mark C
10
60,291
B5 Models
New exhaust leak made CEL disappear
(
1
2
)
Lynskey
on 07-20-2012
12-04-2012
12:27 AM
by
galaxyreflex
10
2,488
B5 Models
P0241: Warm Up Catalyst Efficiency Below Threshold
mogwai88
on 03-31-2012
03-31-2012
12:09 PM
by
bigdadi
1
11,051
Audi A6
Please help! CEL on! P0432 and P0422 - Just replaced both cats with aftermarket
jcrampton
on 03-29-2012
03-29-2012
01:07 AM
by
jcrampton
0
3,658
Audi A6
P0240 Code - O2 or Catalytic Converter?
steve_burbrink
on 02-21-2012
03-11-2012
08:09 PM
by
Smyleysjoint
6
13,620
B6 Models
codes. ideas?
Tourbo24
on 01-25-2012
01-26-2012
03:51 PM
by
M5S5
5
2,923
Audi A6
P0420 CATS OR 02 SENSOR? 01 2.8l fwd
budhani786
on 12-22-2011
12-23-2011
10:44 AM
by
budhani786
2
3,885
Audi A6
2004 audi a4 quattro 1.8t diagnostic trouble code p0420
mckinn43
on 11-30-2011
12-07-2011
02:01 AM
by
MTS
1
5,715
General Tech
Fault code 16804 P0420-001 Advise Please
Harryjman
on 06-24-2011
06-24-2011
03:58 PM
by
Harryjman
0
5,914
General Tech
Replaced CAT, throwing engine code.
(
1
2
)
McMeMan
on 01-24-2011
01-26-2011
09:18 PM
by
McMeMan
10
2,145
B5 Models
P0431 code.
garcilla
on 08-19-2010
08-19-2010
07:21 AM
by
02A6Beau
1
5,811
General Tech
Service my car
bigomaster
on 08-13-2010
08-15-2010
01:15 AM
by
bigomaster
7
827
New Member Welcome Area
Catalyst code??
fly200
on 03-20-2010
03-20-2010
04:52 AM
by
fly200
0
1,295
Audi TT
B6 Quattro 3.0 A little help needed....
PaulA4
on 08-28-2009
08-31-2009
04:50 PM
by
Dan1969
6
898
B6 Models
here are some codes.... need help
brooklands204
on 02-22-2009
06-18-2009
01:31 AM
by
Tweaked
2
2,166
B5 Models
is this a bad muffler?
b0b0
on 02-22-2009
02-22-2009
07:23 PM
by
b0b0
0
881
Audi A6
Trouble code: PO431-Help!
(
1
2
)
TaraLynn
on 07-25-2006
01-16-2009
07:06 PM
by
cvtkid04
11
9,929
General Tech
P0420 Bank 1: Efficiency Below Threshold CEL on 2001 Audi A6 Avant
win_r6_02
on 11-24-2008
11-25-2008
05:32 PM
by
win_r6_02
6
10,164
General Tech
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