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po420
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Threads Tagged with
po420
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codes p0420 and p0430 on my a4 2.4 v6
scanny1
on May 12, 2012
Mar 26, 2014
11:26 AM
by
pa4ul
6
7,699
B6 Models
'01 1.8T Check Engine Light / Code P0420
eelpie
on Dec 26, 2010
Jan 27, 2013
06:20 PM
by
M3Armand
1
3,476
B5 Models
p0420 code completely confused HELP PLEASE!!!!!!!
(
1
2
)
justyk31011
on Sep 3, 2012
Sep 18, 2012
11:51 AM
by
justyk31011
14
13,289
B6 Models
2004 audi a4 quattro 1.8t diagnostic trouble code p0420
mckinn43
on Nov 30, 2011
Dec 7, 2011
02:01 AM
by
MTS
1
6,221
General Tech
Need Help with code P0420!!!!!!
(
1
2
3
)
ahsaw
on Sep 6, 2008
Sep 30, 2011
09:06 AM
by
vito914
25
20,510
B6 Models
CEL code P0420
shiles831
on Sep 11, 2011
Sep 12, 2011
01:29 AM
by
shiles831
2
3,533
B6 Models
Catalytic Converter?
sharpshooterz98
on May 10, 2011
May 10, 2011
08:23 PM
by
rummy
1
1,282
B6 Models
P0420----Can I still drive it???
Postah
on Aug 7, 2006
Dec 26, 2010
05:10 PM
by
caodan2010
7
16,787
Audi A4
Help diagnosing p0420
(
1
2
)
hauptjr
on Apr 16, 2010
Apr 18, 2010
09:11 PM
by
turbo kraut
12
3,353
B5 Models
Po420
drifter22
on Apr 11, 2009
Apr 19, 2009
09:39 PM
by
drifter22
5
1,231
B6 Models
P0420 Bank 1: Efficiency Below Threshold CEL on 2001 Audi A6 Avant
win_r6_02
on Nov 24, 2008
Nov 25, 2008
05:32 PM
by
win_r6_02
6
10,791
General Tech
CEL code P0420?!
(
1
2
)
Mike02A4
on Feb 17, 2008
Sep 29, 2008
05:45 PM
by
ahsaw
17
22,074
B6 Models
Cat Code PO420 / 16804
madrasautoparts
on Jun 6, 2008
Jun 7, 2008
07:28 PM
by
CRAZYHAWK
1
1,272
General Tech
Help-Check Engine PO 441 and PO 420
Shaudi
on Apr 26, 2008
Apr 28, 2008
11:37 PM
by
wheels_06
2
2,611
B5 Models
2001 Audi A6 Check Engine Light Code PO420
DoubleFace
on Apr 24, 2008
Apr 26, 2008
11:22 AM
by
AudiTech616
1
3,490
General Tech
2001 Audi A6 Trouble shooting PO420
DoubleFace
on Apr 24, 2008
Apr 25, 2008
03:06 PM
by
polancho
4
2,995
Audi A6
Couple of codes. related to test pipe?
USSCOTT
on Nov 15, 2007
Nov 19, 2007
10:46 AM
by
USSCOTT
5
1,934
Audi A4
CEL P0420
pv1127
on Jul 27, 2007
Jul 27, 2007
09:15 PM
by
pv1127
6
1,846
Audi A4
cat delete=P0420...Please help
TURBEAU
on Feb 7, 2007
Feb 7, 2007
06:16 AM
by
BadLuckAudi
4
6,591
Audi A4
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