Auto services - Diagnostics

diagnosticsBona Bros. has invested heavily to acquire OEM factory diagnostic equipment and software, the same equipment available at new car dealerships, for all makes and models.

 

Diagnostic machinery
  • Advanced technology
  • All makes and models
  • Same equipment as dealerships
  • Continuously updated software
  • Fast
  • Accurate
  • Reliable
Intermittent Troubleshooting

When a vehicle has a problem that occurs unpredictably it is called an intermittent problem. An intermittent problem may not occur while operating the system or even during a test drive. This presents a diagnostic problem of a very difficult nature.

Fortunately, Bona Bros. is equipped with the latest repair information, technical service bulletins, and recall information. If your vehicle has a system or component with an inherent safety, emissions, or reliability problem and there is a factory fix available for it, we will be able to make you aware of it and repair the problem for you.

Regardless of the type of problem or the system at fault, certain aspects of diagnosis remain the same. You see, in order to accurately diagnose the cause of any problem the technician needs the problem to (predictably) occur twice. This is because a first observation provides our technician with some insight needed to plan a focused testing strategy. A focused testing strategy saves diagnostic time and dollars. The problem must occur a second time, while our technician has his test equipment hooked up monitoring the system or components that may be involved. Although our technician is prepared to attempt to recreate whatever operating conditions are necessary to make the problem occur, if the problem does not surface, a focused strategy cannot be planned.

This means testing all systems with the ability to cause the symptom until a defect is found. This all inclusive systematic method takes more time, and there is no guarantee that the correction of a defect discovered this way will resolve the problem.

This is because there is no proof a defect discovered during this systematic testing is the real cause of the problem. Another strategy to fix an intermittent problem is to perform a repair based on an educated guess of what is causing the problem. This can be risky; however, when the symptom can not be observed or testing does not disclose the defect, it can be the only choice left.

Diagnosing intermittent problems can be very time consuming and requires your patience and cooperation for us to be successful fixing the problem. It may require more diagnostic time than originally estimated to recreate or find the cause of the symptom. It may be necessary to leave the vehicle for several days, or return several times, so we may observe the symptom or judge the results of diagnosis and/or repair to insure the problem is corrected.

Our service writer will give you an initial estimate for diagnosis. This estimate is an educated guess of how long it may take to discover the cause of your problem. This initial estimate does not guarantee a discovery of the cause of the symptom or include the cost of repair. The repair cannot be estimated until after the diagnosis is completed. During the course of the diagnosis we will keep you informed of our process. If additional diagnostic time is required to discover the cause of the problem, we will ask for your authorization of the cost before proceeding. After diagnosis we will ask for your authorization of the repair cost before proceeding.

 

 

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