Monthly Archives: January 2026

Proper Diagnostic Saves Money, Don't Fire The Parts Cannon!

Proper Diagnostic Saves Money, Don't Fire The Parts Cannon!

1. Gather Information (Customer Interview) Diagnostics start before touching the car. A technician asks questions like: What symptoms are happening? When did the issue start? Does it occur all the time or only under certain conditions? Were any repairs done recently? Are warning lights on? 👉 This step helps narrow the system involved and saves time later. 2. Verify the Concern The technician attempts to reproduce the problem: Test drive the vehicle Observe noises, vibrations, smells, or drivability issues Confirm dashboard warning lights If the problem can’t be verified, it’s much harder to diagnose accurately. 3. Perform a Preliminary Inspection This is a quick but critical visual and basic check: Fluid levels and condition Obvious leaks Loose or damaged wiring Broken hoses, belts, or connectors Battery condition and connections Many faults are found right here. 4. Scan for Diagnostic Trouble Codes (DTCs) Using a scan tool, the technician: Retrieves ... read more

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Diagnostics
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