The check engine light on my car came on about a week ago. When I got it checked out, the message said "Catalyst System Efficiency Below Threshold." I would like to get a full diagnostic run so I can figure out exactly what is wrong with my car. How much is it to get a full diagnostic run on my car?
Getting a technician to scan the computer of your car should be in the range of $35.00-$65.00 depending on where you live and what kind of car you have.
The computer codes that you get from scanning the computer doesn
〉 Answered on Aug 25th, 2007 by Amy Mattinat, Owner and Author at Auto Craftsmen Ltd