Professional diagnositic tools

The best way to Reset the Check Engine Light on a Ford Sport Trac 1Climb in to the Sport Trac’s front seat and remove the dust cover from the front of the diagnostic port. The port is located just under the dashboard on the driver side. You can identify the port by looking for the black cover, which has the letters “DTC” embossed into its face.

2Plug the scan tool’s datalink cable in to the diagnostic port. Most major auto parts retailers offer a wide variety of scan tools for purchase. Make sure the one you buy works with Ford OBD-II software Professional diagnositic tools.3Run the scan tool through a self test. You will need to refer to the scan tool’s specific owner’s manual for running a self test with your particular brand and model of scan tool.4Clear the codes when the scan tool prompts you to do so.

This is usually done by selecting "YES" when the scan tool prompt appears on the scan tool's display screen.5Complete the self test and then disconnect the datalink cable from the Sport Trac’s diagnostic port Auto diagnostic tools. Put the dust cover back over the port to prevent contamination of the port from dirt, dust and other debris.