Sometimes cars are just like aloof teenagers; you want to know how their day went, but they just do not want to share things about themselves. Fortunately, while there may not be an auto scan tool that does everything, ScanGauge monitoring systems come close in telling you all you need to know about your vehicle. With a compact design, easy-to-use interface, and a wide range of programmable functions across the D, II, and E models, ScanGauges by Linear Logic give you a clear view of what is going on under the hood and provide troubleshoot error codes so that you are able to diagnose engine problems before they cause your car to stall and sputter on the open road. With these multi-purpose scan tools, view trip data and fuel efficiency with the E model, program temperature parameters with the II model, or monitor basic inputs with the D model, including gas usage and fuel expenses for each trip to get the most out of every gallon and maximize performance. These accessories are easy to install and mount in virtually any make and model of car, truck, or RV. Reliable sellers on eBay offer a variety of new and used ScanGauges, as well as mounts, replacement cables, and other accessories, with convenient shipping options. Keep a close eye on the systems in your vehicle, reduce fuel costs, and communicate with your car using a ScanGauge.