Fault codes 97 Honda Accord

baclasky2007

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I am looking at a 1997 Honda Accord. The engine warning lamp is on and i hooked up the reader and two codes came up. P0420 Catalyst system efficiency below threshold and P0720 A/t Conserns. Where do i start to locate the problems? Thanks for any help
 

Paul

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The PO420 is definitely a catalytic converter failure,very common on 97 and 98 Accords.I've seen and heard of several of that vintage.The fed emission warranty is long gone.The PO720 deals with a transmission sensor and or its associated wiring.The converter is not cheap,about $700 from Honda.You will need a mechanic to scope out the other code to see whats going on
 
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