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p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
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Forum
Code P0460
(
1
2
3
...
Last Page
)
bopiela
on Apr 29, 2011
Feb 29, 2012
02:52 PM
by
bopiela
36
33,555
4.6L (1996-2004 Modular) Mustang
Questions on code P0420
supersnake67
on Jan 14, 2012
Jan 15, 2012
10:13 AM
by
supersnake67
4
3,505
4.6L (1996-2004 Modular) Mustang
Code P0420
supersnake67
on Nov 23, 2011
Nov 23, 2011
05:39 PM
by
supersnake67
5
9,020
4.6L (1996-2004 Modular) Mustang
P0430 and P0420
The Green Lantern
on Oct 13, 2011
Oct 14, 2011
11:05 AM
by
amoosenamedhank
1
3,137
4.6L (1996-2004 Modular) Mustang
P0420 - A little confused on a fix
JRad405
on May 26, 2011
May 26, 2011
09:14 AM
by
JRad405
0
914
4.6L (1996-2004 Modular) Mustang
Exhaust, p0420, longtubes, cats
(
1
2
)
SON1C
on Apr 28, 2011
May 4, 2011
07:48 AM
by
Daehawk
11
2,541
V6 (1994-2004) Mustangs
Just got my JLT & SCT from AM. Question before installation...
08VaprGT
on Mar 22, 2011
Mar 22, 2011
07:52 PM
by
08VaprGT
2
590
2005-2014 Mustangs
P0420 Code following exhaust mod
oe812
on Feb 8, 2011
Feb 8, 2011
02:52 PM
by
mustangman02232
7
4,118
V6 (1994-2004) Mustangs
P0420,P0430 codes
05xrunner
on Sep 6, 2010
Sep 9, 2010
01:19 PM
by
1slov6stanguncc
2
1,934
4.6L V8 Technical Discussions
obd 2 trouble code p0420 problem
blazinPony07
on Dec 11, 2009
May 22, 2010
10:53 AM
by
Ehalling
3
11,531
V6 S197 General Discussion
Catalytic System Efficiency????????
cboisits
on Jan 22, 2010
Jan 24, 2010
11:33 PM
by
howarmat
5
2,180
GT S197 General Discussion
p0420 & p0430?
pinoy131
on Oct 27, 2009
Oct 27, 2009
11:23 PM
by
Fizzics Boy
7
5,688
4.6L (1996-2004 Modular) Mustang
OBD Errors P0420 and P0430
strykrpixel
on Sep 6, 2009
Sep 7, 2009
07:33 PM
by
mustangman03
8
7,404
4.6L General Discussion
Codes P0420, P0430
akp20032004
on Feb 26, 2009
Feb 27, 2009
11:39 AM
by
akp20032004
2
4,839
General Tech
NEED HELP WITH CODES!
cbest1223
on Nov 16, 2008
Nov 17, 2008
08:49 AM
by
Brute03
8
1,083
4.6L (1996-2004 Modular) Mustang
Code P0420
rhlow01GT
on Jul 28, 2008
Jul 29, 2008
01:01 AM
by
cliffyk
7
2,095
4.6L (1996-2004 Modular) Mustang
H-Pipe or X-Pipe
96GTSMOKER
on Jul 5, 2008
Jul 6, 2008
09:45 AM
by
gcorey82
6
1,907
4.6L (1996-2004 Modular) Mustang
p01130 and p01131 on new sensor?
postmastrr
on May 15, 2008
May 15, 2008
10:48 PM
by
postmastrr
2
2,662
4.6L General Discussion
Code: P0420
5.0Edition
on Mar 14, 2008
Mar 15, 2008
02:26 AM
by
tbirdscwd
1
911
General Tech
DTC P0420. Should I be concerned??
1badss/sc
on Mar 4, 2008
Mar 4, 2008
05:27 PM
by
1badss/sc
0
825
SVT Forums
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