"Jeremy" > wrote in message
...
> The engine has been running rough at idle for a while and the tail pipes
> have been a little dark as though it is running a bit rich. It failed
> the smog test on NO.
>
> I will be changing the plugs tomorrow and starting the check of the
> other laundry list of things that might be wrong, but the guy who wants
> my money just keeps saying it is the catalytic convertor.
>
> Any comments?
he is right-
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>
> JJ
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