99 Montero Sport engine codes
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99 Montero Sport engine codes
Okay so I have a 1999 montero sport xls with the following codes:
p0431
p0421
p0173
Any idea what this combination could mean? I find it odd that both the right and left cat/o2's would go at the same time.
p0431
p0421
p0173
Any idea what this combination could mean? I find it odd that both the right and left cat/o2's would go at the same time.
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davidmroe
Mitsubishi Montero & Montero Sport
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Jan 22, 2013 11:36 AM
