check engine code
Thread Starter
Joined: Apr 2007
Posts: 8
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From: CA, USA
check engine code
I just bought a 99 accord ex. I took it to my local dealer for a check up and to see why the check engine light is on. I was told it was a code "DTC P0420 Cat Converter Failure". How can the cat converter be failing if it passed the smog test?
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