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You may think car diagnostic tests are only necessary when the check engine light comes on, but here's why you should take a proactive approach. You may think car diagnostic tests are only necessary when the check engine light comes on, but here's why you should take a proactive approach. ... What is a Car Diagnostic Test & Why is it So ...


Diagnostic tests are used to determine what repairs are required to ensure a vehicle operates properly. On newer model vehicles, an on-board diagnostics computer interface is used in conjunction with diagnostic tools and software to help mechanics identify problems.


Get your car back on the road. Even though a car diagnostic test can bring bad news, the sooner you find out about a problem, the better. Otherwise, one problem can turn into many more. The scan itself should be around $100, but depending on the problem and the mechanic you hire, solving the problem can cost more.


A Car Diagnostic Test Identifies your Automotive problems. A car diagnostic test provides a quick and accurate assessment of your vehicle. Technicians will scan your vehicle's onboard computer, document any diagnostic trouble codes, and check for service notifications issued by your vehicle's manufacturer.


The trouble code takes you to “an area” for further testing to properly determine where the real fault is. The diagnostic fee allows us the time to thoroughly test and accurately determine the real cause of the warning light using the professional test equipment we have invested in.


To this end, car manufacturers have developed sophisticated computer systems that keep the car in check and help to keep it running smoothly. Those systems will also light up the check engine light when there is something wrong with the car. A car diagnostic is a test that tells a person what is causing the check engine light to turn on.


The Engine Diagnostic service includes: Quality service performed by a professional Pep Boys technician; Road test of vehicle to verify complaint (if running) Visual inspection of engine compartment for obvious electrical or vacuum related conditions; Complete battery and charging system analysis


What You Get From a Diagnostic. Running a diagnostic on your vehicle involves plugging a scanner into your vehicle's OBD-II port. Some models built before 1996 had a diagnostic system, but it was limited and varied greatly from manufacturer to manufacturer. The OBD-II system is standard on all vehicles sold in the United States after 1995.


Car diagnostic test overview. During a car diagnostic test, the car’s onboard computer will be scanned and the mechanic will retrieve the codes it displays. This is considered to the be the beginning of the diagnosis problem and a mechanic will almost always have to perform other tests to confirm their findings.


Your vehicle’s computer even remembers problems that flared up in the past and then returned to normal. A vehicle diagnostic test can identify these past issues and alert technicians to any irregularities. By accessing these functions, Jiffy Lube can help prevent problems before they arise, helping you avoid future costly repairs.