To search for information about a car engine using its Vehicle Identification Number, navigate to VehicleHistory.gov and click the Check Vehicle History button, which is located in the center right portion of the Web page. Choose a NMVTIS data provider, enter the car's VIN, and click the Search link.
The VIN contains vehicle-specific information, such as make, model, and engine details. The U.S. Government requires that automotive companies assign a 17-digit serial number to every car sold in the United States. The National Motor Vehicle Title Information System is a federal database that provides vehicle information to car owners and sellers.