i recieved code p0430 on 03 taurus se. i had this code last year and replaced both catalytic converters with a "after market catalytic converters" at a muffler shop. i would like to know what would cause this code to occur again less than a year?
I am still having code p0191 and in addition to this code i have p0430. i replaced the cats last year. i've replaced the 02 sensors and fuel injectors last week. what other things need t be checked for these codes?
