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If you need a new Catalytic Converter read this
mitslone
on May 5, 2012
Jul 31, 2017
02:07 PM
by
Maddoxnathaniel
4
49,878
Mitsubishi Endeavor
help with check engine code P0421/P0431
07outie07
on Apr 15, 2013
Nov 6, 2016
06:29 PM
by
Sic_Lucky
8
33,292
Mitsubishi Outlander
2001 Diamante P0421 code, need to know which sensor and any other advice
jimmy pop
on Jul 21, 2012
Jul 21, 2012
09:33 AM
by
jimmy pop
0
3,791
Mitsubishi Diamante
New guy with CEL problem
(
1
2
)
t-jacobs
on Jun 21, 2011
Dec 13, 2011
10:11 PM
by
alexsaspa
12
3,068
New Members Area
Dtc p0421
bob1952
on Aug 17, 2010
Aug 17, 2010
06:44 PM
by
bob1952
0
1,626
New Members Area
2000 Monty full size engine light po421
bauhaus92
on Jan 21, 2008
Mar 13, 2008
06:00 PM
by
jrmdir
8
3,220
Mitsubishi Montero & Montero Sport
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