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    What Does the Check Engine Light Mean?

    Last updated 3 days ago

    Your car’s dashboard contains a number of lights that provide you with valuable information about the performance and condition of your vehicle. One of the most critical lights on your dashboard is the check engine light. When you notice that your check engine light has become illuminated, this light could indicate a number of automotive issues. When you notice that your check engine light is on, you should be sure to schedule a repair appointment for your car right away. Read on to learn more about what your check engine light may mean.

    Loose Gas Cap

    One of the common reasons for your check engine light to go on is a loose gas cap. If you fail to screw your gas cap all the way onto your vehicle after you refuel, your check engine light will provide you with a warning. If you tighten your gas cap and the light remains on, this is a sign that your car is in need of more serious repairs.

    Bad Oxygen Sensor

    A bad oxygen sensor is another possible reason why your check engine light may be on. The oxygen sensor is designed to monitor the oxygen levels in your exhaust system. With a bad oxygen sensor, the efficiency and overall performance of your engine may decline. Your mechanic can replace your oxygen sensor with a working component.

    Broken Catalytic Converter

    When your catalytic converter breaks, your check engine light will warn you by turning on. A broken catalytic converter can cause your engine to emit more harmful emissions from its tailpipe. To get the to bottom of your illuminated check engine light, you will need to visit your auto repair center.

    If your check engine light is on, do not hesitate to set up a repair appointment at Dekalb Tire. Our automotive repair shop provides motorists in the Dunwoody and Buckhead areas with a complete range of services. Call us at (404) 935-0350 to set up an appointment for your vehicle today. 

    Reasons to Schedule Wheel Alignment

    Last updated 8 days ago

    Your wheels are among your car’s most important features. When your wheels are properly aligned, they should all travel in the same direction when the car is going in a straight line. There are a number of possible reasons why you may need to schedule a wheel alignment service. If you notice that your vehicle pulls to the right of the left as you drive, this is a good indication that you are in need of alignment. Other reasons to schedule wheel alignment include uneven tire tread wear, strange vibrations while driving, or a crooked steering wheel.

    When you notice that your vehicle is ready for a wheel rotation, do not hesitate to contact Dekalb Tire. Our five locations in the Sandy Springs, Buckhead, Tucker, Cumming, and Smyrna areas will provide you with convenient automotive repair services that are of the highest quality. Call us at (404) 935-0350 to schedule a wheel alignment today. 

    What are Tread Wear Indicators?

    Last updated 18 days ago

    Wouldn’t it be nice if there was some way to tell when your tires needed to be replaced? Actually, there is. All tires in the U.S. are legally required to have some sort of tread wear indicators. If you didn’t already know that, you aren’t alone. The Rubber Manufacturers Association estimates that 66 percent of drivers don’t know that tread wear indicators exist, and that approximately 13 percent of vehicles on the road have at least one bald tire.

    Watch this video to learn more about tread wear indicators and the future of tread wear indicator technology. If you’re in need of new tires, come to Dekalb Tire. Purchase four installed, in-stock tires and receive $50 instant credit. This offer expires 9/30/2014. If you have questions about our inventory, stop by one of our tire stores around the Atlanta area, including locations in Dunwoody, Sandy Springs, and Buckhead. For additional information, call us at (404) 935-0350. 

    A Look at How Your Car's Electrical System Works

    Last updated 23 days ago

    Gasoline is important, but it isn’t the only thing that gets your vehicle going. Your car also depends on a properly working electrical system to power everything from the radio and headlights to the fuel pump and on-board diagnostic computer. And while your car’s electrical system operates on a small fraction of the power of a household circuit, the slightest problem within the electrical system can put you at an automotive repair shop looking for answers. For starters, here’s a look at how your car’s electrical system works and problematic symptoms to watch for.

    Primary Components

    Four main parts make up your car’s electrical system, and they must work together effectively in order for your car to perform correctly. These main components include the battery, alternator, starter motor, and wiring. The battery provides electricity needed to start the engine. The starter motor converts electrical energy into mechanical energy used to start your engine. After starting the engine, the alternator takes over and generates power for the electrical system and recharges the battery.

    Polarity and Short Circuits

    Electricity flows from the battery in one direction only, and some components will only work if the flow is in the correct direction. This acceptance of a one-way electricity flow is called polarity. On most cars, the negative battery terminal is grounded and the positive terminal supplies the electrical system with power. If this current becomes dangerously high, ancillary circuits have fuses to prevent an electrical fire. If any of your electrical components stop working, check the fuse box or bring your car in for automotive repair.  

    If you’re having trouble with your vehicle’s electrical system and need a professional opinion, the technicians here at Dekalb Tire are here to help. In addition to our brake repair and wheel alignment services, we also provide quality electrical system repairs. If you have any questions or would like to speak with one of our automotive repair technicians, call us at (404) 935-0350. You can also visit one of our locations around Atlanta, including Sandy Springs, Dunwoody, and Buckhead. 

    Factors that Can Lead to Air Conditioner Failure

    Last updated 1 month ago

    Spring is upon us, but that doesn’t mean your days of using your car’s air conditioner are over. And even if you’re putting off air conditioner repair in anticipation of the cold weather ahead, don’t you want to get your AC in shape now instead of forgetting about it and sweating it out on the first scorching day of 2015? You should visit your automotive repair shop for AC repair no matter what time of the year it is. The following factors can all lead to air conditioner failure and poor AC performance. 

    Refrigerant Leak

    All air conditioners rely on some type of refrigerant to deliver cold air to the cabin. Leaks from ruptured hoses or poor connections can result in air conditioner failure. If you notice that the air in your car isn’t blowing as cold as it used to, bring it to Dekalb Tire and let one of our technicians check the refrigerant, give your system a charge, and fix any leaks.


    Moisture can cause the formation of oxides and acids within the air conditioning system, a death sentence for ACs. Moisture can also freeze up expansion valves and powered desiccants in the winter, which can also lead to air conditioner failure.


    Anything other than refrigerant in the air conditioning system can be harmful to the system. Dirt commonly gets inside air conditioning systems, causing seized compressor bearings, expansion valve failure, refrigerant decomposition, and corrosion of metal parts. If you can’t remember the last time your car’s air conditioner was cleaned, visit Dekalb Tire today.

    Schedule an appointment with Dekalb Tire and let one of our factory-trained professionals get your car’s AC working like new. Our automotive repair locations in Dunwoody, Sandy Springs, Smyrna, and throughout the Atlanta area provide the highest quality services and the best customer service. Call us at (404) 935-0350 to schedule service for your vehicle today! 

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