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2008 Pontiac G6 Question: why is my check engine light on?

 

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rnelon, 3.5L V6, Houston, TX, July 11, 2014, 14:22
 Rookie

code p4020, dealership says its one of the catalytic converters, how do I know which one it is. And what is the cost for repair? It just crossed 100,000 K miles, is it worth repairing?

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  • Answer #1

    ziptie12 July 11, 2014, 21:12
     Master

    Did you PAY for the diagnosis? IF so the dealer should tell you.

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