Every vehicle built since 1996 has been equipped with an On-Board Diagnostics System that monitors engine performance…

Engine Diagnostics, Engine Tune-Up

When your check engine light comes on, it’s usually an indication that there’s a serious problem with your car’s ignition, fuel, or emission system. As soon as you see your check engine light illuminated on your dashboard, call General Auto Repair for an immediate car diagnostic.

Similar to the way doctors use medical testing to identify health issues, our mechanics use a computer diagnostic to determine the problem with your car. Once we scan your vehicle’s onboard computer and retrieve the Diagnostic Trouble Codes, we will work to diagnose the malfunction. From there, we’ll determine what repairs are needed to prevent engine damage and get you back on the road safely.

What is a car diagnostic test?

Of all the technological advances in the automotive sector over the decades, one of the most beneficial to consumers and auto technicians alike has been the computerization of the car’s components. Using specialized software, car diagnostic tools quickly and accurately point to problem areas in a car’s engine or elsewhere, thanks to built-in processors, microchips, and sensors.

What areas of the car can be tested?

Diagnostic tests can reveal problems within a car’s engine, transmission, exhaust system, brakes, and other major components, as well as performance issues with the fuel injector, airflow and coolant, ignition coils, and throttle.

However, a common misconception about car diagnostic tests is that technicians can use code-reading tools to determine the exact problem that triggered the check engine light. In reality, the code tells technicians which engine or component parameters are out of range, but it does not detail the cause of the problems. That’s where the good old human brain comes in handy, as the technician uses experience and expertise to diagnose the underlying problem.

What are the benefits of a car diagnostic test?

Before the emergence of car diagnostic tests, identifying problems was time-consuming and expensive, especially considering car owners only brought their cars to mechanics after a breakdown or other severe malfunction. Now, computerized car components can detect problems long before they cause a breakdown. Diagnostic tools can also check a car’s computer system for manufacturer notifications and stored information about the car’s history, giving technicians a complete picture in order to perform the best repair possible.

How often should a car undergo diagnostic testing?

You don’t have to wait for the check engine light to get a car diagnostic test. If you hear or feel something “off,” mechanics can use diagnostic testing to uncover the problem. However, many technicians recommend taking your car in for a diagnostic check at least once a year, which will uncover minor problems that can’t be seen or heard (and that won’t trigger the check engine light).

Diagnostic testing is also a useful tool when you’re checking out a used car. Both private sellers and professional car dealers should agree to a diagnostic test before you commit to buying, and if they don’t, that’s a sign you should walk away from the deal.

Diagnostics, repairs, and so much more

At MB Automotive in Bay Shore, in addition to expert diagnostic testing, we also offer a variety of services and repairs, including alignments, brakes, oil changes, complete engine repair, and more.

For more information, or to make an appointment contact us at 631-328-5985