Code readers for Ford vehicles are available online at Amazon.com and eBay, as of 2015. The price for the Innova 3145, which is a Ford code reader, is about $30 on eBay and about $25 on Amazon.com.
The Innova 3145's features include a digital display amd memory. This code reader works not only for Ford vehicles, but also Mercury and Lincoln vehicles. It stores codes even when the machine is unplugged. When the Innova 3145 is plugged into a vehicle, it also communicates with the vehicle's computer to initiate self-testing. On Amazon.com, the Innova 3145 is rated with 4.5 stars out of five stars.