Diagnostics: determine what is operating correctly. Continue checking until you find what is not working correctly. As a result, diagnostics is a process of elimination. A vehicle doesn’t run well, not at all , is overheating, not braking properly, and so on, diagnostics is needed. Diagnostics is how we determine what is causing the problem. DFM Auto Repair technicians have the equipment, information and talent to figure it out.
See article “Automotive Diagnostics”
