Using car diagnostic tools can save you money. They allow you to quickly identify and repair your car's problems without the need to call a mechanic. All you need is a Bluetooth or USB connection and a car sensor. Most of these tools also have a database of known problems and reported fixes. This data is useful for diagnosing and repairing your vehicle. The following are some examples of the types of car diagnostic tools available. Some of these tools can be purchased from a local store or online. These devices can also be used for home use. They come with instructions that show you how to set up the tool. If you don't have a car diagnostic tool, you can purchase a cheap one online or in a store. You can then download the software to your computer and get started with troubleshooting your vehicle. Depending on the level of complexity of your problem, you may need to purchase more than one. Many people have problems when using their car. Having a diagnostic tool can make ...