Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.

Dorman Training Center instructor Pete Meier explains why you should be testing engine coolant on vehicles in your bay. With a simple test strip, you can quickly check the coolant’s health for your customers.
By breaking down the structures used to create DTCs, you can learn how to “decode” beyond the simple descriptions presented by a scanner.
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Diagnosing the cause of a battery drain can be a challenge today.
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