trouble code p0420 &p0430
#13
Senior Member
hi guys i have the same codes.. but i have found out i have no cats ..
haven't looked under her yet. but im guessing pre and post cat sensors
and its not noticing a difference between them hence the flag
ideas on how to proceed
haven't looked under her yet. but im guessing pre and post cat sensors
and its not noticing a difference between them hence the flag
ideas on how to proceed