Diagnostics

On Board Diagnostics for Your Engine

Starting in 1996, Tuffy Richmond service technicians have been able to use a standardized diagnos...

Automotive Detective Work in CASCO

There's a reason we use the word diagnose when we talk about fixing cars in CASCO. Figuring out w...

The Tuffy Richmond Guide to Vehicle Diagnosis

Modern Richmond vehicles have several computers on board that control all kinds of things like en...