Forum: Boxster General Discussions
09-07-2010, 07:59 AM
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Replies: 4
Views: 1,975
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Forum: Boxster General Discussions
09-07-2010, 06:04 AM
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Replies: 4
Views: 1,975
P0420 code
Got this check engine light this morning. My OBD read the following:
"P0420 catalyst efficiency below threshold"
can someone give me some details on this?
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