Diagnostics: determine what is operating correctly, continue checking until you find what is not working correctly. Diagnostics is a process of elimination. When the vehicle doesn’t run well, not at all , is overheating, not braking properly, and so on; 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”

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