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Ford Truck Enthusiasts Forums
Tags
Threads Tagged with
p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
P0420 and P0430 codes - please help
advocate
on May 4, 2009
Oct 2, 2023
09:32 PM
by
Mtavernari
10
10,484
1997 - 2003 F150
Ranger with P0420 diagnostic code
DGH
on Jul 26, 2008
Oct 29, 2018
02:49 PM
by
pawpaw
12
35,104
1983 - 2012 Ranger & B-Series
Check engine code P0420
(
1
2
3
)
nightri1
on Jul 8, 2003
Dec 19, 2014
07:15 AM
by
shorod
33
72,616
Explorer, Sport Trac, Mountaineer & Aviator
Error Code P0420
(
1
2
3
4
)
Munky
on Apr 29, 2007
Jul 1, 2014
05:25 PM
by
coopa
48
55,275
1997 - 2003 F150
2003 Expy catalytic converter question
(
1
2
)
P70FT
on Jan 30, 2012
Sep 1, 2012
01:01 PM
by
anarmsxprt
27
4,274
1997 - 2006 Expedition & Navigator
2004 F-150 5.4 P0174 Code, Please Help!
cookstr1
on Jun 6, 2012
Jun 6, 2012
08:00 AM
by
cookstr1
0
6,657
2004 - 2008 F150
96 f-150 codes p0171, p0174, p0420
James Bibb
on May 23, 2012
May 27, 2012
06:24 AM
by
ncranchero
4
9,970
Ford Inline Six, 200, 250, 4.9L / 300
Drivers side catalytic converter
(
1
2
)
seth5051
on Feb 2, 2012
Mar 16, 2012
11:43 AM
by
tooldad
15
7,555
2007 - 2014 Expedition & Navigator
Throwing P0420 & P1000 codes
DRM
on Dec 19, 2011
Jan 23, 2012
01:58 PM
by
DRM
11
4,775
Modular V10 (6.8l)
code p0420
dixiestripes351
on Jun 13, 2011
Jun 15, 2011
11:52 PM
by
Bluegrass 7
7
32,677
1997 - 2003 F150
p0420
bla1879
on Mar 18, 2011
Mar 24, 2011
05:19 PM
by
bpounds
8
2,349
S. California Chapter
P0420
bla1879
on Mar 18, 2011
Mar 20, 2011
12:05 AM
by
KhanTyranitar
2
9,112
Exhaust Systems
p0420
bla1879
on Mar 18, 2011
Mar 18, 2011
05:35 PM
by
hillclimbin
3
2,112
2004 - 2008 F150
Running issue and code.. please help
StumpPullerF1
on Feb 21, 2011
Feb 22, 2011
08:15 AM
by
rla2005
4
689
1987 - 1996 F150 & Larger F-Series Trucks
96 f150 p0420 question
StumpPullerF1
on Jan 30, 2011
Jan 30, 2011
11:21 AM
by
StumpPullerF1
0
916
Ford Inline Six, 200, 250, 4.9L / 300
Rough Idle
dodgewithaford
on Jan 8, 2011
Jan 12, 2011
09:11 PM
by
bbdano
4
6,327
1997 - 2006 Expedition & Navigator
'06 Expedition XLT P0420 Code
jmfrost
on Nov 17, 2010
Nov 20, 2010
04:31 PM
by
alloro
8
32,368
1997 - 2006 Expedition & Navigator
Rough Idle with code P0420
ssrider
on Nov 4, 2010
Nov 4, 2010
11:37 AM
by
ssrider
0
4,922
2004 - 2008 F150
Code P0420, cutting converter is it work?
bbsitum
on Oct 10, 2010
Oct 11, 2010
08:58 AM
by
KhanTyranitar
5
1,097
1997 - 2003 F150
Engine code P0420
kjk
on Aug 9, 2010
Aug 12, 2010
11:37 AM
by
slc10844
5
13,407
2007 - 2014 Expedition & Navigator
P0420 code
hillclimbin
on Jul 27, 2010
Jul 27, 2010
01:01 PM
by
hillclimbin
5
7,482
2004 - 2008 F150
P0420 & P0430 codes
cottrellp
on Jun 13, 2010
Jun 13, 2010
06:21 PM
by
formula74
4
19,687
2004 - 2008 F150
COP - misfire issue
advocate
on May 26, 2010
Jun 3, 2010
04:27 PM
by
Bluegrass 7
9
4,665
1997 - 2003 F150
replacing dual cats w/ single or O2 sensor P0420
dawhits1
on Jun 2, 2010
Jun 3, 2010
03:53 PM
by
rla2005
5
2,285
1987 - 1996 F150 & Larger F-Series Trucks
Code PO420 !
oldblu65
on May 5, 2010
May 27, 2010
07:21 PM
by
twavor
12
15,195
1987 - 1996 F150 & Larger F-Series Trucks
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