ritesh.noronha@gmail.com wrote:
> Hi..
>
> I have a 1998 honda accord V6. I got the Check engine light today,
> using an OBD scanner i found out the code was "P0420 - Catalytic
> emission low on Bank #1". The local repair shop tell me that i need to
> get the Catalytic convertor and the 02 sensors replaced.
>
> I have the following questions for the group.
> 1. Does the code P0420 mean that the catalytic convertor is bad?
> 2. He quoted the cost for a replacement Catalytic convertor for $550
> and O2 sensor for $138.. do these seem high?
>
> Just a few days back i had replaced the alternator in this car .. FYI..

id replace the O2 sensor, but NOT the cat. cats just dont go bad that
quickly unless youre using gas from questionable sources. for $138 it
sounds like theyre using a generic sensor. an OEM one would be closer to
$200 for the sensor alone.