Re: Check engine light with O2 codes after both sensors have been replaced

<derek.neiding@[EMAIL PROTECTED]
> wrote in message 
news:e555cc04-472a-4aca-871c-0175180e7613@[EMAIL PROTECTED]
>I have a 2001 Chrysler Town and Country Limited (3.8 L) with 122K
> miles on it.  A few months ago the check engine light came on and
> there where three codes 1684 (battery disconnect) , 1491 (radiator fan
> relay) and 0135 (O2 sensor).  Two weeks ago I replaced both O2
> sensors.  After driving the car for a few miles the check engine light
> went off.  A couple of days ago it came back on and the same three
> codes are back.
>
> Are the O2 sensor I put in bad or is something else wrong?
>
> Thanks in advance,
>
> Derek


  The P0135 code is O2 sensor heater circuit - bank 1 sensor one. You did 
check the heater circuit before you replaced the sensor, right ????