Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

Like a full body exam, a full vehicle diagnostic sounds like an in depth scan that will detect any problems with your vehicle. Unfortunately, a full diagnostic—like an annual checkup—is confined to ...

Its original name is an ALDL, short for Assembly Line Diagnostic Link, or Assembly Line Data Link. But most call an ALDL the OBD-II port because it provides everyone from engineers at proving grounds ...

This article originally appeared on Milwaukee Journal Sentinel: She took her car to Firestone for a diagnostic test. The car returned undrivable. When Ashley Pittman's car started shaking while ...