On Mar 13, 2:53*am, waynewright <waitnei...@gmail.com> wrote:
> Hi Folks. *My 2001 Accord EX (4-cyl) is at 102,000 miles and throwing
> all of these codes...
>
> P0141 Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2)
> Heater Circuit Malfunction
>
> P0420 Catalyst System Efficiency Below Threshold
>
just curious - what kind of gas do you use?