Vehicle Diagnostics and Performance Shamrock Auto Care - Engine Diognotic Service - Monroe NC

Vehicle Diagnostics

Signs you need vehicle Diagnostics:

  • Check Engine Light
  • Service Engine Soon Light
  • Rough idling
  • Slow-cranking
  • Knocking
  • Pinging while accelerating
  • Stalling
  • Loss in power accelerating
  • Decreased gas mileage

ASE Certified Automotive Technician

Vehicle Diagnostics and Performance

Vehicles built after 1995 come equipped with On-Board Diagnostics to monitor engine performance. The vehicle's computer system reports any discrepancies in performance levels as trouble codes which can be read by a code reader. If your "service engine soon" or "check engine" light is on, you should bring your vehicle in for an engine diagnostic service as soon as possible. Performing engine diagnostic services provides our technician with pertinent information about the operating condition of your vehicle's engine and will help with determining the extent of possible engine repairs needed. One of the most common trouble codes generated is for powertrain malfunctions which in most cases can be resolved with regular engine tune ups. A tune up is necessary for optimizing engine performance and is the most effective way to prevent future engine trouble. When performing an engine tune up, depending on the condition of your vehicle we may replace spark plugs, spark plug wires, fuel filter, air filter and distributor cap. In addition we will check fuel lines, emission levels as well as belts and hoses. Engine diagnostics combined with regularly scheduled engine tune-ups is a great way to extend the life of your vehicle while at the same time improving engine performance.

What are the signs that I need an engine diagnostic service?

While the "service engine" or "check engine" light is a sure sign that it's time to bring your vehicle in for service, there are additional signs you can check for. If you notice that your vehicle has any of these issues: rough idling, slow-cranking, knocking, pinging while accelerating or stalling. These are all signs that it's time to bring your vehicle in for a diagnostic service so we can check for any error codes pointing to specific engine issues. Noticeable loss in power during acceleration and decreased gas mileage are also signs that you are in need of a tune-up or engine repair services. Engine warning lights are there to alert you to minor issues before they turn into major repairs, so if you are experiencing any issues with your vehicle.... Bring it in as soon as possible!​

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Troubleshooting vehicle error codes


3611 Old Charlotte Hwy
Monroe, NC 28110


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