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Threads Tagged with
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Check Engine (PO421) trouble.
mp5wgn
on Aug 30, 2005
Oct 2, 2016
04:10 PM
by
ldstia@yahoo.com
12
45,419
3rd gen Engine/Drivetrain
Looking for chip to increase fuel economy!
(
1
2
)
sleven
on Jul 30, 2010
Apr 30, 2012
09:52 PM
by
RedKnuckles
20
29,600
Mazda3/Mazdaspeed3
Engine light helpps
Claughton17
on Mar 25, 2012
Mar 26, 2012
12:52 PM
by
Thrizzl3
1
1,042
Mazda3/Mazdaspeed3
Check Engine light Flashes ..Loses power
(
1
2
)
xspence
on Oct 23, 2007
Nov 2, 2007
07:16 PM
by
_Kansei_
15
45,370
3rd Gen Protege/MazdaSpeed/P5/MP3
Fuel economy
(
1
2
3
4
)
chadg
on Jan 6, 2004
Mar 11, 2007
06:00 PM
by
dentinger
53
9,100
Mazda3/Mazdaspeed3
con't turbo conversation on vj-23
(
1
2
)
Bruce95fmla
on Feb 7, 2003
Feb 10, 2003
09:03 PM
by
itzkcatz
18
6,648
Forced Induction/Nitrous
PDA Dyno...Here I come!!
LinuxRacr
on Feb 6, 2003
Feb 9, 2003
10:51 PM
by
LinuxRacr
8
1,912
Exterior/Interior/Audio
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