help with code P0420

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11-21-2013 | 07:36 AM

Roy Berdeng Kahoy

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Junior Member

Joined: Nov 2013

Posts: 1

help with code P0420

can anyone help pls.
I have a check engine code P0420 what should i do to fix it.
The mechanic is charging me almost $5,000 to fix.

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