There you are, driving down the highway without a care, when suddenly a light comes on in your dash!  “Service Engine Now”, or “Check Engine” is what is says, but just how important is it to get this checked out? When that light comes on, it means that a… Read more

The cooling system in your vehicle is a pressurized, closed loop system that uses coolant to move heat from your engine block to the radiator, where the coolant has an opportunity to cool before being moved by the water pump back to pick up more heat. As long… Read more

Since 1996, all vehicles have been produced with an on-board diagnostic system. This system is in line with the engine management control system, and records incidents with sensors, temperature, levels of certain gases, and general engine drivability.… Read more

Your drive axle routes the direction of power from the transmission to the drive wheels. This can be either the front, the back, or all wheels on your car, truck or SUV. There are many mechanical components to deliver this power, including bearings, universal… Read more

Your electrical system is like your nervous system, but in your vehicle. It delivers current and impulses from one electrical component to another, and in the case of the many computers in the vehicle, at lightning speed. These impulses are needed to operate… Read more

Your exhaust system is designed to remove harmful gases from the engine and evacuate them to the atmosphere. In many cases, a “tuned exhaust” can result in more power and a better sound. We at USA Automotive have many years of experience inspecting and… Read more