I have gotten a diagnostic at AUTO ZONE here in az and got this back...
aa- Catalyst system efficiency below threshold-bank 1 probable cause
aa1- large vacuum leak
aa2-fuel system fault
aa3-ignition system fault
aa4- failed bank 1 catalytic converter
CAN SOMEONE PLEASE HELP ME IN WHAT THE HECK THIS MEANS?!?!
I just want to fix my car
Thank you in advance I appreciate it.