"Woody" <TheDuck@pond.net> wrote in message
news:rfFWe.1629$D42.1177@newssvr19.news.prodigy.co m...
> WHY did you reset it? Your only hope now is it comes back before the 80k.
> A letter will mean nothing to Honda. Chances are the dealer would have
> reset it also but you would then have proof it failed before 80k.
> Since you are playing with an OBDII tester compare the front and back O2
> sensors and see if catalyst is not working. Also see if the non-continuous
> run cycles are complete. It could take a week for some to complete
> depending on your driving habits. They all got reset when you reset the
> code. The catalyst efficiency test has to be complete before the code will
> be set....
>

The code came back and I have a service appointment for Wednesday, will have
about 79,800 miles by then. What does the P0420 usually lead to? Cat,
secondary 02 sensor replacement? Both? Thanks.