Originally Posted by Rockledge
Autozone will pull the codes for free, but before you buy anything there, post the code number here and we can help you with the repair. Sometimes AZ will try to sell you something you don't need (EGR valves come to mind...).
egr's o2 sensors, you name it they will try to sell it to you, thats why they offer the service.
its all a scam to sell parts to people that have no idea whats wrong.