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Ta Petro

Back on the Road

A Blog by TA & Petro Stopping Centers

Computerized Diagnostic Techniques and How They're Changing Truck Repair

Roadside Computerized Diagnostics

Before 2007, engine diagnostics checks were relatively simple. You could evaluate the seriousness of an engine problem by simply looking at the exhaust smoke. If the smoke was white, you likely had a coolant or fuel problem. If you observed dark black smoke, you certainly had a fuel problem. Blue tinted smoke would likely indicate an oil issue.

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