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Mazda3Club.com : The Original Mazda3 Forum
Tags
Threads Tagged with
p0421
Threads Tagged with
p0421
Thread / Thread Starter
Last Post
Replies
Views
Forum
OBD code P0421
glennschau
on August-16th-2012
August-21st-2012
12:16 PM
by
glennschau
2
15,904
Mazda Service Info
2006 mazda 3 help-p0126 code
fastbolt
on April-7th-2012
August-20th-2012
10:46 PM
by
Dayle Thomas
3
12,520
Mazda3/Mazdaspeed3
Cel p0421
Asad1012
on December-4th-2011
December-4th-2011
09:59 PM
by
Asad1012
0
3,937
Mazda3/Mazdaspeed3
"Random Engine Misfire"
(
1
2
)
Mileage01
on November-17th-2007
January-10th-2008
01:52 PM
by
Mileage01
15
25,185
3rd Gen Protege/MazdaSpeed/P5/MP3
Check Engine light Flashes ..Loses power
(
1
2
)
xspence
on October-23rd-2007
November-2nd-2007
07:16 PM
by
_Kansei_
15
43,458
3rd Gen Protege/MazdaSpeed/P5/MP3
Engine code PO421
minihaha
on February-19th-2006
March-4th-2006
09:04 AM
by
mgs_freak
4
14,077
3rd Gen Protege/MazdaSpeed/P5/MP3
ECU code 420
(
1
2
)
Jas00x
on January-23rd-2004
February-4th-2004
05:52 AM
by
blackp5ca
15
3,143
3rd gen Engine/Drivetrain
trouble code P0421
mrjiggy
on March-17th-2003
March-18th-2003
08:33 AM
by
protetype
4
8,044
3rd Gen Protege/MazdaSpeed/P5/MP3
PDA Dyno...Here I come!!
LinuxRacr
on February-6th-2003
February-9th-2003
10:51 PM
by
LinuxRacr
8
1,671
Exterior/Interior/Audio
Engine Check Light
mesx7828
on January-24th-2003
January-24th-2003
06:14 PM
by
midnightblue97
3
1,586
3rd gen Engine/Drivetrain
Trouble Code - P0421
James.Kirk
on August-23rd-2002
September-12th-2002
02:01 AM
by
Samus
5
18,087
2nd Gen Protege
ECU/Chip questions
(
1
2
)
jmauld
on January-22nd-2002
January-29th-2002
09:32 PM
by
aprice0
15
2,462
3rd Gen Protege/MazdaSpeed/P5/MP3
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