Codes P0420 and P0430 | Ford Explorer Forums - Serious Explorations

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Codes P0420 and P0430

9COOP5

Well-Known Member
Joined
September 7, 2015
Messages
145
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5
City, State
Ohio
Year, Model & Trim Level
2002 Exp XLS
2014 Exp XLT
I am trying to figure out exactly what catalyst system efficiency bank 1 means. The codes are P0420 and P0430 for my ‘02 Explorer XLS.
 












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