Ways to Diagnose Auto Troubles With an OBD2 1Start the ignition and watch the elements on the dashboard console. The light for "Check Engine" or "Service Engine Soon" ought to flash briefly. This indicates that the OBD2 is present and ready to diagnose difficulties that might exist.2Check the dashboard console as you drive.
If you can find any complications, the "Check Engine" or "Service Engine Soon" light will come on and remain on. The OBD2 will alert you to troubles ranging from a loose or missing gas cap to an engine misfire.3Look for blinking lights in your dashboard console. Blinking lights indicate that there is a really serious dilemma occurring with all the engine of your automobile. It's going to be safer to limit your driving until this dilemma has been resolved.4Use a individual OBD2 code reader to scan for complications (see Resources below). Attach the reader for your car's 16-pin port auto diagnostic, that is commonly located below the steering wheel.
The reader will display the issue codes generated by your car's laptop or computer, at the same time as the definition with the codes.5Take your car to an automobile technician if you're unable to discover the source on the dilemma by yourself. The automobile technician will use an expert OBD2 reader to get a additional comprehensive scan of the car. The mechanic will use the codes as a beginning point in determining the accurate cause of the issue.6Take note if the light on the console goes out before you could take the car or truck in for service. This indicates that the issue has been resolved.7Learn more on the best way to diagnose vehicle problems with an OBD2. There are many books on this topic, including "Introduction to OBDII" by Roy Cox diagnostic car tool, "OBDII Diagnostic Secrets Revealed" by Peter David and "Advanced Automotive Fault Diagnosis" by Tom Denton (see Resources below).
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