To do this, he walks around a 2013 Ford Explorer XLT and discusses its issues. He continues reading the Carfax: “254,000 miles, and then sold with 130,000 miles—and there's only one service record for an oil change.” The easiest way to check whether odometer fraud has occurred is by looking at the car’s service record, such as the vehicle’s Carfax. As shown in Bell’s video, a service record will generally log the number of miles on the odometer at the time of service. If there is a discrepancy between multiple visits, this will likely be noted on the service record.