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Threads Tagged with
p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
codes p0420 and p0430 on my a4 2.4 v6
scanny1
on 05-12-2012
03-26-2014
12:26 PM
by
pa4ul
6
7,517
B6 Models
P0420 no more :-)
ericcota2003
on 09-14-2013
09-14-2013
08:09 AM
by
ericcota2003
0
9,281
Audi TT
P0420 - Catalyst Code
JoshuaMcbee
on 07-08-2013
07-08-2013
08:28 PM
by
JoshuaMcbee
0
24,244
Audi A4
CEL P0302 97 a4 1.8t NOT ICM UNIT
thefuture54
on 05-07-2013
05-09-2013
11:23 PM
by
thefuture54
2
2,188
B5 Models
A4 2004 1.8T manual transmission P0420 continuous fault code
Gunter337
on 05-05-2013
05-06-2013
03:34 AM
by
CryptoStorm
1
6,675
Audi A4
Check Engine Light w/ P0420 code
Gunter337
on 05-05-2013
05-05-2013
09:41 PM
by
Gunter337
2
5,502
Intake, Headers and Exhaust
Misfires: p0300, p0302, p0322
(
1
2
3
)
hauptjr
on 04-02-2010
04-28-2013
02:06 AM
by
MichaelBojsza
24
26,254
B5 Models
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
(
1
2
)
M3Armand
on 01-31-2013
03-12-2013
05:53 PM
by
Mark C
10
63,173
B5 Models
'01 1.8T Check Engine Light / Code P0420
eelpie
on 12-26-2010
01-27-2013
07:20 PM
by
M3Armand
1
3,282
B5 Models
p0420 code completely confused HELP PLEASE!!!!!!!
(
1
2
)
justyk31011
on 09-03-2012
09-18-2012
12:51 PM
by
justyk31011
14
12,725
B6 Models
Converter Question
(
1
2
)
joeyac02
on 02-07-2012
02-11-2012
07:33 PM
by
joeyac02
12
3,255
B6 Models
Engine and ESP lights on (P0102, P0172, P0420, P0421)
romar1086
on 08-29-2011
01-03-2012
07:51 PM
by
20090401
1
6,462
B6 Models
P0420 CATS OR 02 SENSOR? 01 2.8l fwd
budhani786
on 12-22-2011
12-23-2011
11:44 AM
by
budhani786
2
3,897
Audi A6
2004 audi a4 quattro 1.8t diagnostic trouble code p0420
mckinn43
on 11-30-2011
12-07-2011
03:01 AM
by
MTS
1
5,869
General Tech
new to Audi, evap code P0442 Help!
BlackWag
on 09-25-2011
10-20-2011
02:52 PM
by
cshideler
1
7,165
Allroad Model Line
Need Help with code P0420!!!!!!
(
1
2
3
)
ahsaw
on 09-06-2008
09-30-2011
10:06 AM
by
vito914
25
19,786
B6 Models
CEL code P0420
shiles831
on 09-11-2011
09-12-2011
02:29 AM
by
shiles831
2
3,449
B6 Models
Fault code 16804 P0420-001 Advise Please
Harryjman
on 06-24-2011
06-24-2011
04:58 PM
by
Harryjman
0
5,942
General Tech
Please Help ME!!!!!!!
Cameron92
on 04-30-2011
04-30-2011
07:29 PM
by
Audi Tek
1
3,114
B6 Models
O2 sensors, DTC P0130 & P0150
drliming
on 02-13-2011
02-13-2011
04:42 PM
by
drliming
0
6,351
Audi A6
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