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Question: my ck eng lite on intermit. on & OFF SOME TIMES OFF FOR WEEK THEN BACK ON

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chicoma, 4.0L V6, Chicago, IL, March 08, 2013, 10:33
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CODE P0430

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  • Answer #1

    csubak30 March 08, 2013, 13:45
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     Master

    Fault: cat. converter, bank 2 , efficiency below threshold. Poss. cause: Cat. converter, wiring or o2 sensor. Replace spark plugs first and see if it fixes the problem. Or, check the connection at the cat converter end plug. Should take care of the problem.

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